From 6ccaf03fd500fef6191f6d9d5a6266a73c41a2ec Mon Sep 17 00:00:00 2001
From: shawn_he <shawn.he@huawei.com>
Date: Mon, 15 Aug 2022 11:16:29 +0800
Subject: [PATCH] update doc

Signed-off-by: shawn_he <shawn.he@huawei.com>
---
 .../reference/apis/js-apis-call.md            | 2650 ++++++++++++++++-
 .../reference/apis/js-apis-radio.md           |  926 +++++-
 .../reference/apis/js-apis-sim.md             | 1507 ++++++++--
 .../reference/apis/js-apis-sms.md             | 1156 ++++++-
 .../reference/apis/js-apis-telephony-data.md  |  245 +-
 5 files changed, 6294 insertions(+), 190 deletions(-)

diff --git a/en/application-dev/reference/apis/js-apis-call.md b/en/application-dev/reference/apis/js-apis-call.md
index bb320e0c8b..c1b5929d69 100644
--- a/en/application-dev/reference/apis/js-apis-call.md
+++ b/en/application-dev/reference/apis/js-apis-call.md
@@ -44,7 +44,7 @@ call.dial("138xxxxxxxx", (err, data) => {
 
 dial\(phoneNumber: string, options: DialOptions, callback: AsyncCallback<boolean\>\): void
 
-Initiates a call. You can set call options as needed. This API uses an asynchronous callback to return the result.
+Initiates a call based on the specified options. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.PLACE\_CALL (a system permission)
 
@@ -73,7 +73,7 @@ call.dial("138xxxxxxxx", {
 
 dial\(phoneNumber: string, options?: DialOptions\): Promise<boolean\>
 
-Initiates a call. You can set call options as needed. This API uses a promise to return the result.
+Initiates a call based on the specified options. This API uses a promise to return the result.
 
 **Required permission**: ohos.permission.PLACE\_CALL (a system permission)
 
@@ -304,7 +304,7 @@ call.isEmergencyPhoneNumber("138xxxxxxxx", (err, data) => {
 
 isEmergencyPhoneNumber\(phoneNumber: string, options: EmergencyNumberOptions, callback: AsyncCallback<boolean\>\): void
 
-Checks whether the called number is an emergency number based on the phone number. This API uses an asynchronous callback to return the result.
+Checks whether the called number is an emergency number based on the specified phone number options. This API uses an asynchronous callback to return the result.
 
 **System capability**: SystemCapability.Telephony.CallManager
 
@@ -313,7 +313,7 @@ Checks whether the called number is an emergency number based on the phone numbe
 | Name     | Type                                              | Mandatory | Description                                                       |
 | ----------- | -------------------------------------------------- | ---- | -------------------------------------------- |
 | phoneNumber | string                                             | Yes  | Phone number.                                                 |
-| options     | [EmergencyNumberOptions](#emergencynumberoptions7) | Yes  | Phone number option.        |
+| options     | [EmergencyNumberOptions](#emergencynumberoptions7) | Yes  | Phone number options.        |
 | callback    | AsyncCallback&lt;boolean&gt;                       | Yes  | Callback used to return the result.<br> - **true**: The called number is an emergency number.<br>- **false**: The called number is not an emergency number. |
 
 **Example**
@@ -329,7 +329,7 @@ call.isEmergencyPhoneNumber("112", {slotId: 1}, (err, value) => {
 
 isEmergencyPhoneNumber\(phoneNumber: string, options?: EmergencyNumberOptions\): Promise<boolean\>
 
-Checks whether the called number is an emergency number based on the phone number. This API uses a promise to return the result.
+Checks whether the called number is an emergency number based on the specified phone number options. This API uses a promise to return the result.
 
 **System capability**: SystemCapability.Telephony.CallManager
 
@@ -338,7 +338,7 @@ Checks whether the called number is an emergency number based on the phone numbe
 | Name     | Type                                              | Mandatory | Description          |
 | ----------- | -------------------------------------------------- | ---- | -------------- |
 | phoneNumber | string                                             | Yes  | Phone number.    |
-| options     | [EmergencyNumberOptions](#emergencynumberoptions7) | Yes  | Phone number option. |
+| options     | [EmergencyNumberOptions](#emergencynumberoptions7) | Yes  | Phone number options. |
 
 **Return value**
 
@@ -386,7 +386,7 @@ call.formatPhoneNumber("138xxxxxxxx", (err, data) => {
 
 formatPhoneNumber\(phoneNumber: string, options: NumberFormatOptions, callback: AsyncCallback<string\>\): void
 
-Formats a phone number based on specified formatting options. This API uses an asynchronous callback to return the result.
+Formats a phone number based on the specified formatting options. This API uses an asynchronous callback to return the result.
 
 A formatted phone number is a standard numeric string, for example, 555 0100.
 
@@ -397,7 +397,7 @@ A formatted phone number is a standard numeric string, for example, 555 0100.
 | Name     | Type                                        | Mandatory | Description                                |
 | ----------- | -------------------------------------------- | ---- | ------------------------------------ |
 | phoneNumber | string                                       | Yes  | Phone number.                          |
-| options     | [NumberFormatOptions](#numberformatoptions7) | Yes  | Number formatting option, for example, country code.              |
+| options     | [NumberFormatOptions](#numberformatoptions7) | Yes  | Number formatting options, for example, country code.              |
 | callback    | AsyncCallback&lt;string&gt;                  | Yes  | Callback used to return the result. |
 
 **Example**
@@ -415,7 +415,7 @@ call.formatPhoneNumber("138xxxxxxxx",{
 
 formatPhoneNumber\(phoneNumber: string, options?: NumberFormatOptions\): Promise<string\>
 
-Formats a phone number based on specified formatting options. This API uses a promise to return the result.
+Formats a phone number based on the specified formatting options. This API uses a promise to return the result.
 
 A formatted phone number is a standard numeric string, for example, 555 0100.
 
@@ -426,7 +426,7 @@ A formatted phone number is a standard numeric string, for example, 555 0100.
 | Name     | Type                                        | Mandatory | Description                  |
 | ----------- | -------------------------------------------- | ---- | ---------------------- |
 | phoneNumber | string                                       | Yes  | Phone number.            |
-| options     | [NumberFormatOptions](#numberformatoptions7) | Yes  | Number formatting option, for example, country code. |
+| options     | [NumberFormatOptions](#numberformatoptions7) | Yes  | Number formatting options, for example, country code. |
 
 **Return value**
 
@@ -514,15 +514,2242 @@ promise.then(data => {
 });
 ```
 
+## call.muteRinger<sup>8+</sup>
+
+muteRinger\(callback: AsyncCallback<void\>\): void
+
+Mutes the ringtone while it is playing.  This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name     | Type                     | Mandatory| Description      |
+| ----------- | ------------------------- | ---- | ---------- |
+| callback    | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.muteRinger((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.muteRinger<sup>8+</sup>
+
+muteRinger\(\): Promise<void\>
+
+Mutes the ringtone while it is playing.  This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.muteRinger();
+promise.then(data => {
+    console.log(`muteRinger success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`muteRinger fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.answer<sup>7+</sup>
+
+answer\(callback: AsyncCallback<void\>\): void
+
+Answers a call. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.ANSWER_CALL
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description      |
+| -------- | ------------------------- | ---- | ---------- |
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.answer((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.answer<sup>7+</sup>
+
+answer\(callId: number, callback: AsyncCallback<void\>\): void
+
+Answers a call based on the specified call ID. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.ANSWER_CALL
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description                                           |
+| -------- | ------------------------- | ---- | ----------------------------------------------- |
+| callId   | number                    | Yes  | Call ID. You can obtain the value by subscribing to **callDetailsChange** events.|
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.                                     |
+
+**Example**
+
+```js
+call.answer(1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.answer<sup>7+</sup>
+
+answer(callId?: number\): Promise<void\>
+
+Answers a call based on the specified call ID. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.ANSWER_CALL
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                                        |
+| ------ | ------ | ---- | ------------------------------------------------------------ |
+| callId | number | No  | Call ID. You can obtain the value by subscribing to **callDetailsChange** events. This parameter is optional from API version 9.|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.answer(1);
+promise.then(data => {
+    console.log(`answer success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`answer fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.hangup<sup>7+</sup>
+
+hangup\(callback: AsyncCallback<void\>\): void
+
+Ends a call. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description      |
+| -------- | ------------------------- | ---- | ---------- |
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.hangup((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.hangup<sup>7+</sup>
+
+hangup\(callId: number, callback: AsyncCallback<void\>\): void
+
+Ends a call based on the specified call ID. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description                                           |
+| -------- | ------------------------- | ---- | ----------------------------------------------- |
+| callId   | number                    | Yes  | Call ID. You can obtain the value by subscribing to **callDetailsChange** events.|
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.                                     |
+
+**Example**
+
+```js
+call.hangup(1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.hangup<sup>7+</sup>
+
+hangup\(callId?: number\): Promise<void\>
+
+Ends a call based on the specified call ID. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                                        |
+| ------ | ------ | ---- | ------------------------------------------------------------ |
+| callId | number | No  | Call ID. You can obtain the value by subscribing to **callDetailsChange** events. This parameter is optional from API version 9.|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.hangup(1);
+promise.then(data => {
+    console.log(`hangup success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`hangup fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.reject<sup>7+</sup>
+
+reject\(callback: AsyncCallback<void\>\): void
+
+Rejects a call. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description      |
+| -------- | ------------------------- | ---- | ---------- |
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.reject((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.reject<sup>7+</sup>
+
+reject\(options: RejectMessageOptions, callback: AsyncCallback<void\>\): void
+
+Rejects a call based on the specified options. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                          | Mandatory| Description          |
+| -------- | ---------------------------------------------- | ---- | -------------- |
+| options  | [RejectMessageOptions](#rejectmessageoptions7) | Yes  | Options for the call rejection message.|
+| callback | AsyncCallback&lt;void&gt;                      | Yes  | Callback used to return the result.    |
+
+**Example**
+
+```js
+let rejectMessageOptions={
+    messageContent: "Unknown number blocked"
+}
+call.reject(rejectMessageOptions, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.reject<sup>7+</sup>
+
+reject(callId: number, callback: AsyncCallback<void\>): <void\>
+
+Rejects a call based on the specified call ID. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description                                           |
+| -------- | ------------------------- | ---- | ----------------------------------------------- |
+| callId   | number                    | Yes  | Call ID. You can obtain the value by subscribing to **callDetailsChange** events.|
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.                                     |
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.reject(1);
+promise.then(data => {
+    console.log(`reject success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`reject fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.reject<sup>7+</sup>
+
+reject\(callId: number, options: RejectMessageOption, callback: AsyncCallback<void\>\): void
+
+Rejects a call based on the specified call ID and options. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                          | Mandatory| Description                                           |
+| -------- | ---------------------------------------------- | ---- | ----------------------------------------------- |
+| callId   | number                                         | Yes  | Call ID. You can obtain the value by subscribing to **callDetailsChange** events.|
+| options  | [RejectMessageOptions](#rejectmessageoptions7) | Yes  | Options for the call rejection message.                                 |
+| callback | AsyncCallback&lt;void&gt;                      | Yes  | Callback used to return the result.                                     |
+
+**Example**
+
+```js
+let rejectMessageOptions={
+    messageContent: "Unknown number blocked"
+}
+call.reject(1, rejectMessageOptions, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.reject<sup>7+</sup>
+
+reject(callId?: number, options?: RejectMessageOptions\): Promise<void\>
+
+Rejects a call based on the specified call ID and options. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name | Type                                          | Mandatory| Description                                                        |
+| ------- | ---------------------------------------------- | ---- | ------------------------------------------------------------ |
+| callId  | number                                         | No  | Call ID. You can obtain the value by subscribing to **callDetailsChange** events. This parameter is optional from API version 9.|
+| options | [RejectMessageOptions](#rejectmessageoptions7) | No  | Options for the call rejection message.                                              |
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let rejectMessageOptions={
+    messageContent: "Unknown number blocked"
+}
+let promise = call.reject(1, rejectMessageOptions);
+promise.then(data => {
+    console.log(`reject success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`reject fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.holdCall<sup>7+</sup>
+
+holdCall\(callId: number, callback: AsyncCallback<void\>\): void
+
+Holds a call based on the specified call ID. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description      |
+| -------- | ------------------------- | ---- | ---------- |
+| callId   | number                    | Yes  | Call ID.  |
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.holdCall(1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.holdCall<sup>7+</sup>
+
+holdCall\(callId: number\): Promise<void\>
+
+Holds a call based on the specified call ID. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description    |
+| ------ | ------ | ---- | -------- |
+| callId | number | Yes  | Call ID.|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.holdCall(1);
+promise.then(data => {
+    console.log(`holdCall success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`holdCall fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.unHoldCall<sup>7+</sup>
+
+unHoldCall\(callId: number, callback: AsyncCallback<void\>\): void
+
+Unholds a call based on the specified call ID. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description      |
+| -------- | ------------------------- | ---- | ---------- |
+| callId   | number                    | Yes  | Call ID.  |
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.unHoldCall(1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.unHoldCall<sup>7+</sup>
+
+unHoldCall\(callId: number\): Promise<void\>
+
+Unholds a call based on the specified call ID. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description    |
+| ------ | ------ | ---- | -------- |
+| callId | number | Yes  | Call ID.|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.unHoldCall(1);
+promise.then(data => {
+    console.log(`unHoldCall success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`unHoldCall fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.switchCall<sup>7+</sup>
+
+switchCall\(callId: number, callback: AsyncCallback<void\>\): void
+
+Switches a call. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description      |
+| -------- | ------------------------- | ---- | ---------- |
+| callId   | number                    | Yes  | Call ID.  |
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.switchCall(1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.switchCall<sup>7+</sup>
+
+switchCall\(callId: number\): Promise<void\>
+
+Switches a call. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description    |
+| ------ | ------ | ---- | -------- |
+| callId | number | Yes  | Call ID.|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.switchCall(1);
+promise.then(data => {
+    console.log(`switchCall success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`switchCall fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.combineConference<sup>7+</sup>
+
+combineConference\(callId: number, callback: AsyncCallback<void\>\): void
+
+Combines two calls into a conference call. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description      |
+| -------- | ------------------------- | ---- | ---------- |
+| callId   | number                    | Yes  | Call ID.  |
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.combineConference(1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.combineConference<sup>7+</sup>
+
+combineConference\(callId: number\): Promise<void\>
+
+Combines two calls into a conference call. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description    |
+| ------ | ------ | ---- | -------- |
+| callId | number | Yes  | Call ID.|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.combineConference(1);
+promise.then(data => {
+    console.log(`combineConference success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`combineConference fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.getMainCallId<sup>7+</sup>
+
+getMainCallId\(callId: number, callback: AsyncCallback<number\>\): void
+
+Obtains the main call ID. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                       | Mandatory| Description                    |
+| -------- | --------------------------- | ---- | ------------------------ |
+| callId   | number                      | Yes  | Call ID.                |
+| callback | AsyncCallback&lt;number&gt; | Yes  | Callback used to return the result.  |
+
+**Example**
+
+```js
+call.getMainCallId(1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.getMainCallId<sup>7+</sup>
+
+getMainCallId\(callId: number\): Promise<number\>
+
+Obtains the main call ID. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description    |
+| ------ | ------ | ---- | -------- |
+| callId | number | Yes  | Call ID.|
+
+**Return value**
+
+| Type               | Description                           |
+| ------------------- | ------------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.getMainCallId(1);
+promise.then(data => {
+    console.log(`getMainCallId success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`getMainCallId fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.getSubCallIdList<sup>7+</sup>
+
+getSubCallIdList\(callId: number, callback: AsyncCallback<Array<string\>\>\): void
+
+Obtains the list of subcall IDs. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                          | Mandatory| Description                        |
+| -------- | ------------------------------ | ---- | ---------------------------- |
+| callId   | number                         | Yes  | Call ID.                    |
+| callback | AsyncCallback<Array<string\>\> | Yes  | Callback used to return the result.  |
+
+**Example**
+
+```js
+call.getSubCallIdList(1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.getSubCallIdList<sup>7+</sup>
+
+getSubCallIdList\(callId: number\): Promise<Array<string\>\>
+
+Obtains the list of subcall IDs. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description    |
+| ------ | ------ | ---- | -------- |
+| callId | number | Yes  | Call ID.|
+
+**Return value**
+
+| Type                         | Description                               |
+| ----------------------------- | ----------------------------------- |
+| Promise&lt;Array<string\>&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.getSubCallIdList(1);
+promise.then(data => {
+    console.log(`getSubCallIdList success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`getSubCallIdList fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.getCallIdListForConference<sup>7+</sup>
+
+getCallIdListForConference\(callId: number, callback: AsyncCallback<Array<string\>>\): void
+
+Obtains the list of call IDs in a conference. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                               | Mandatory| Description                            |
+| -------- | ----------------------------------- | ---- | -------------------------------- |
+| callId   | number                              | Yes  | Call ID.                        |
+| callback | AsyncCallback&lt;Array<string\>&gt; | Yes  | Callback used to return the result.  |
+
+**Example**
+
+```js
+call.getCallIdListForConference(1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.getCallIdListForConference<sup>7+</sup>
+
+getCallIdListForConference\(callId: number\): Promise<Array<string\>\>
+
+Obtains the list of call IDs in a conference. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description    |
+| ------ | ------ | ---- | -------- |
+| callId | number | Yes  | Call ID.|
+
+**Return value**
+
+| Type                         | Description                                   |
+| ----------------------------- | --------------------------------------- |
+| Promise&lt;Array<string\>&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.getCallIdListForConference(1);
+promise.then(data => {
+    console.log(`getCallIdListForConference success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`getCallIdListForConference fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.getCallWaitingStatus<sup>7+</sup>
+
+getCallWaitingStatus\(slotId: number, callback: AsyncCallback<CallWaitingStatus\>\): void
+
+Obtains the call waiting status. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                                       | Mandatory| Description                                                        |
+| -------- | ----------------------------------------------------------- | ---- | ------------------------------------------------------------ |
+| slotId   | number                                                      | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2                      |
+| callback | AsyncCallback&lt;[CallWaitingStatus](#callwaitingstatus7)\> | Yes  | Callback used to return the result.<br> <br>- **0**: Call waiting is disabled.<br>- **1**: Call waiting is enabled.|
+
+**Example**
+
+```js
+call.getCallWaitingStatus(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.getCallWaitingStatus<sup>7+</sup>
+
+getCallWaitingStatus\(slotId: number\): Promise<CallWaitingStatus\>
+
+Obtains the call waiting status. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type                                                   | Description                                                        |
+| ------------------------------------------------------- | ------------------------------------------------------------ |
+| Promise&lt;[CallWaitingStatus](#callwaitingstatus7)&gt; | Promise used to return the result.<br>- **0**: Call waiting is disabled.<br>- **1**: Call waiting is enabled.|
+
+**Example**
+
+```js
+let promise = call.getCallWaitingStatus(0);
+promise.then(data => {
+    console.log(`getCallWaitingStatus success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`getCallWaitingStatus fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.setCallWaiting<sup>7+</sup>
+
+setCallWaiting\(slotId: number, activate: boolean, callback: AsyncCallback<void\>\): void
+
+Sets the call waiting switch. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                | Mandatory| Description                                                        |
+| -------- | -------------------- | ---- | ------------------------------------------------------------ |
+| slotId   | number               | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2                      |
+| activate | boolean              | Yes  | Whether to enable call waiting.<br>- **false**: Disable call waiting.<br>- **true**: Enable call waiting.|
+| callback | AsyncCallback<void\> | Yes  | Callback used to return the result.                                                  |
+
+**Example**
+
+```js
+call.setCallWaiting(0, true, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.setCallWaiting<sup>7+</sup>
+
+setCallWaiting\(slotId: number, activate: boolean\): Promise<void\>
+
+Sets the call waiting switch. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type   | Mandatory| Description                                                        |
+| -------- | ------- | ---- | ------------------------------------------------------------ |
+| slotId   | number  | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2                      |
+| activate | boolean | Yes  | Whether to enable call waiting.<br>- **false**: Disable call waiting.<br>- **true**: Enable call waiting.|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.setCallWaiting(0, true);
+promise.then(data => {
+    console.log(`setCallWaiting success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`setCallWaiting fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.startDTMF<sup>7+</sup>
+
+startDTMF\(callId: number, character: string, callback: AsyncCallback<void\>\): void
+
+Enables dual-tone multifrequency (DTMF). This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name   | Type                | Mandatory| Description      |
+| --------- | -------------------- | ---- | ---------- |
+| callId    | number               | Yes  | Call ID.  |
+| character | string               | Yes  | DTMF code.  |
+| callback  | AsyncCallback<void\> | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.startDTMF(1, "0", (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.startDTMF<sup>7+</sup>
+
+startDTMF\(callId: number, character: string\): Promise<void\>
+
+Enables DTMF. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name   | Type  | Mandatory| Description    |
+| --------- | ------ | ---- | -------- |
+| callId    | number | Yes  | Call ID.|
+| character | string | Yes  | DTMF code.|
+
+**Return value**
+
+| Type               | Description                   |
+| ------------------- | ----------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.startDTMF(1, "0");
+promise.then(data => {
+    console.log(`startDTMF success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`startDTMF fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.stopDTMF<sup>7+</sup>
+
+stopDTMF\(callId: number, callback: AsyncCallback<void\>\): void
+
+Stops DTMF. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description      |
+| -------- | ------------------------- | ---- | ---------- |
+| callId   | number                    | Yes  | Call ID.  |
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.stopDTMF(1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.stopDTMF<sup>7+</sup>
+
+stopDTMF\(callId: number\): Promise<void\>
+
+Stops DTMF. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description    |
+| ------ | ------ | ---- | -------- |
+| callId | number | Yes  | Call ID.|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.stopDTMF(1);
+promise.then(data => {
+    console.log(`stopDTMF success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`stopDTMF fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.isInEmergencyCall<sup>7+</sup>
+
+isInEmergencyCall\(callback: AsyncCallback<boolean\>\): void
+
+Checks whether a call is an emergency call. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                        | Mandatory| Description      |
+| -------- | ---------------------------- | ---- | ---------- |
+| callback | AsyncCallback&lt;boolean&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.isInEmergencyCall((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.isInEmergencyCall<sup>7+</sup>
+
+isInEmergencyCall\(\): Promise<boolean\>
+
+Checks whether a call is an emergency call. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Return value**
+
+| Type                  | Description                       |
+| ---------------------- | --------------------------- |
+| Promise&lt;boolean&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.isInEmergencyCall();
+promise.then(data => {
+    console.log(`isInEmergencyCall success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`isInEmergencyCall fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.on('callDetailsChange')<sup>7+</sup>
+
+on\(type: 'callDetailsChange', callback: Callback<CallAttributeOptions\>\): void
+
+Subscribes to **callDetailsChange** events. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                                   | Mandatory| Description                      |
+| -------- | ------------------------------------------------------- | ---- | -------------------------- |
+| type     | string                                                  | Yes  | Call details change during a call.|
+| callback | Callback<[CallAttributeOptions](#callattributeoptions7)> | Yes  | Callback used to return the result.                |
+
+**Example**
+
+```js
+call.on('callDetailsChange', (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## call.on('callEventChange')<sup>8+</sup>
+
+on\(type: 'callEventChange', callback: Callback<CallEventOptions\>\): void
+
+Subscribes to **callEventChange** events. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                            | Mandatory| Description                      |
+| -------- | ------------------------------------------------ | ---- | -------------------------- |
+| type     | string                                           | Yes  | Call event change during a call.|
+| callback | Callback<[CallEventOptions](#calleventoptions8)> | Yes  | Callback used to return the result.                |
+
+**Example**
+
+```js
+call.on('callEventChange', (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## call.on('callDisconnectedCause')<sup>8+</sup>
+
+on\(type: 'callDisconnectedCause', callback: Callback<DisconnectedDetails\>): void
+
+Subscribes to **callDisconnectedCause** events. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                                  | Mandatory| Description                      |
+| -------- | ------------------------------------------------------ | ---- | -------------------------- |
+| type     | string                                                 | Yes  | Cause of the call disconnection.|
+| callback | Callback<[DisconnectedDetails](#disconnecteddetails8)> | Yes  | Callback used to return the result.                |
+
+**Example**
+
+```js
+call.on('callDisconnectedCause', (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## call.on('mmiCodeResult')<sup>9+</sup>
+
+on\(type: 'mmiCodeResult', callback: Callback<MmiCodeResults\>\): void
+
+Subscribes to **mmiCodeResult** events. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                        | Mandatory| Description                 |
+| -------- | -------------------------------------------- | ---- | --------------------- |
+| type     | string                                       | Yes  | Man-machine interface (MMI) code result.|
+| callback | Callback<[MmiCodeResults](#mmicoderesults9)> | Yes  | Callback used to return the result.           |
+
+**Example**
+
+```js
+isNewCallAllowedcall.on('mmiCodeResult', (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## call.off('callDetailsChange')<sup>7+</sup>
+
+off\(type: 'callDetailsChange', callback?: Callback<CallAttributeOptions\>\): void
+
+Unsubscribes from **callDetailsChange** events. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                                    | Mandatory| Description                              |
+| -------- | -------------------------------------------------------- | ---- | ---------------------------------- |
+| type     | string                                                   | Yes  | Unsubscription from call details changes when a call ends.|
+| callback | Callback<[CallAttributeOptions](#callattributeoptions7)> | No  | Callback used to return the result.                        |
+
+**Example**
+
+```js
+call.off('callDetailsChange', (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## call.off('callEventChange')<sup>8+</sup>
+
+off\(type: 'callEventChange', callback?: Callback<CallEventOptions\>\): void
+
+Unsubscribes from **callEventChange** events. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                            | Mandatory| Description                              |
+| -------- | ------------------------------------------------ | ---- | ---------------------------------- |
+| type     | string                                           | Yes  | Unsubscription from call event changes when a call ends.|
+| callback | Callback<[CallEventOptions](#calleventoptions8)> | No  | Callback used to return the result.                        |
+
+**Example**
+
+```js
+call.off('callEventChange', (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## call.off('callDisconnectedCause')<sup>8+</sup>
+
+off\(type: 'callDisconnectedCause', callback?: Callback<DisconnectedDetails\>\): void
+
+Unsubscribes from **callDisconnectedCause** events. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                                      | Mandatory| Description                |
+| -------- | ---------------------------------------------------------- | ---- | -------------------- |
+| type     | 'callDisconnectedCause'                                    | Yes  | Unsubscription from the call disconnection cause when a call ends.|
+| callback | Callback**<**[DisconnectedDetails](#disconnecteddetails8)> | No  | Callback used to return the result.          |
+
+**Example**
+
+```js
+call.off('callDisconnectedCause', (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## call.off('mmiCodeResult')<sup>9+</sup>
+
+off\(type: 'mmiCodeResult', callback?: Callback<MmiCodeResults\>\): void
+
+Unsubscribes from **mmiCodeResult** events. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                            | Mandatory| Description       |
+| -------- | ------------------------------------------------ | ---- | ----------- |
+| type     | 'mmiCodeResult'                                  | Yes  | MMI code result.|
+| callback | Callback<[MmiCodeResults](#mmicoderesults9)> | No  | Callback used to return the result. |
+
+**Example**
+
+```js
+call.off('mmiCodeResult', (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## call.isNewCallAllowed<sup>8+</sup>
+
+isNewCallAllowed\(callback: AsyncCallback<boolean\>\): void
+
+Checks whether a new call is allowed. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                        | Mandatory| Description      |
+| -------- | ---------------------------- | ---- | ---------- |
+| callback | AsyncCallback&lt;boolean&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.isNewCallAllowed((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.isNewCallAllowed<sup>8+</sup>
+
+isNewCallAllowed\(\): Promise<boolean\>
+
+Checks whether a new call is allowed. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Return value**
+
+| Type                  | Description                       |
+| ---------------------- | --------------------------- |
+| Promise&lt;boolean&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.isNewCallAllowed();
+promise.then(data => {
+    console.log(`isNewCallAllowed success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`isNewCallAllowed fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.separateConference<sup>8+</sup>
+
+separateConference\(callId: number, callback: AsyncCallback<void\>\): void
+
+Disconnects a conference call. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description      |
+| -------- | ------------------------- | ---- | ---------- |
+| callId   | number                    | Yes  | Call ID.  |
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.separateConference(1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.separateConference<sup>8+</sup>
+
+separateConference\(callId: number\): Promise<void\>
+
+Disconnects a conference call. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description    |
+| ------ | ------ | ---- | -------- |
+| callId | number | Yes  | Call ID.|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.separateConference(1);
+promise.then(data => {
+    console.log(`separateConference success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`separateConference fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.getCallRestrictionStatus<sup>8+</sup>
+
+getCallRestrictionStatus\(slotId: number, type: CallRestrictionType, callback: AsyncCallback<RestrictionStatus\>\): void
+
+Obtains the call restriction status. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                                        | Mandatory| Description                                  |
+| -------- | ------------------------------------------------------------ | ---- | -------------------------------------- |
+| slotId   | number                                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| type     | [CallRestrictionType](#callrestrictiontype8)                 | Yes  | Call restriction type.                       |
+| callback | AsyncCallback&lt;[RestrictionStatus](#restrictionstatus8)&gt; | Yes  | Callback used to return the result.                |
+
+**Example**
+
+```js
+call.getCallRestrictionStatus(0, 1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.getCallRestrictionStatus<sup>8+</sup>
+
+getCallRestrictionStatus\(slotId: number, type: CallRestrictionType\): Promise<RestrictionStatus\>
+
+Obtains the call restriction status. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type                                        | Mandatory| Description                                  |
+| ------ | -------------------------------------------- | ---- | -------------------------------------- |
+| slotId | number                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| type   | [CallRestrictionType](#callrestrictiontype8) | Yes  | Call restriction type.                       |
+
+**Return value**
+
+| Type                                                   | Description                       |
+| ------------------------------------------------------- | --------------------------- |
+| Promise&lt;[RestrictionStatus](#restrictionstatus8)&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.getCallRestrictionStatus(0, 1);
+promise.then(data => {
+    console.log(`getCallRestrictionStatus success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`getCallRestrictionStatus fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.setCallRestriction<sup>8+</sup>
+
+setCallRestriction\(slotId: number, info: CallRestrictionInfo, callback: AsyncCallback<void\>\): void
+
+Sets the call restriction status. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                       | Mandatory| Description                                  |
+| -------- | ------------------------------------------- | ---- | -------------------------------------- |
+| slotId   | number                                      | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| info     | [CallRestrictionInfo](#callrestrictioninfo8) | Yes  | Call restriction information.                        |
+| callback | AsyncCallback&lt;void&gt;                   | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+let callRestrictionInfo={
+    type: 1,
+    password: "123456",
+    mode: 1
+}
+call.setCallRestriction(0, callRestrictionInfo, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.setCallRestriction<sup>8+</sup>
+
+setCallRestriction\(slotId: number, info: CallRestrictionInfo\): Promise<void\>
+
+Sets the call restriction status. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type                                        | Mandatory| Description                                  |
+| ------ | -------------------------------------------- | ---- | -------------------------------------- |
+| slotId | number                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| info   | [CallRestrictionInfo](#callrestrictioninfo8) | Yes  | Call restriction information.                        |
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let callRestrictionInfo={
+    type: 1,
+    password: "123456",
+    mode: 1
+}
+let promise = call.setCallRestriction(0, callRestrictionInfo);
+promise.then(data => {
+    console.log(`setCallRestriction success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`setCallRestriction fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.getCallTransferInfo<sup>8+</sup>
+
+getCallTransferInfo\(slotId: number, type: CallTransferType, callback: AsyncCallback<CallTransferResult\>\): void
+
+Obtains call transfer information. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                                        | Mandatory| Description                                  |
+| -------- | ------------------------------------------------------------ | ---- | -------------------------------------- |
+| slotId   | number                                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| type     | [CallTransferType](#calltransfertype8)                       | Yes  | Call transfer type.                        |
+| callback | AsyncCallback&lt;[CallTransferResult](#calltransferresult8)&gt; | Yes  | Callback used to return the result.            |
+
+**Example**
+
+```js
+let callTransferTyp={
+    CallTransferType: 1
+}
+call.getCallTransferInfo(0, callTransferTyp, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.getCallTransferInfo<sup>8+</sup>
+
+getCallTransferInfo\(slotId: number, type: CallTransferType): Promise<CallTransferResult\>
+
+Obtains call transfer information. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type                                  | Mandatory| Description                                  |
+| ------ | -------------------------------------- | ---- | -------------------------------------- |
+| slotId | number                                 | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| type   | [CallTransferType](#calltransfertype8) | Yes  | Call transfer type.                        |
+
+**Return value**
+
+| Type                                                     | Description                       |
+| --------------------------------------------------------- | --------------------------- |
+| Promise&lt;[CallTransferResult](#calltransferresult8)&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let callTransferTyp={
+    CallTransferType: 1
+}
+let promise = call.getCallTransferInfo(0, callTransferTyp);
+promise.then(data => {
+    console.log(`getCallTransferInfo success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`getCallTransferInfo fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.setCallTransfer<sup>8+</sup>
+
+setCallTransfer\(slotId: number, info: CallTransferInfo, callback: AsyncCallback<void\>\): void
+
+Sets call transfer information. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                 | Mandatory| Description                                  |
+| -------- | ------------------------------------- | ---- | -------------------------------------- |
+| slotId   | number                                | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| info     | [CallTransferInfo](#calltransferinfo8) | Yes  | Call transfer information.                       |
+| callback | AsyncCallback&lt;void&gt;             | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+let callTransferInfo={
+    transferNum: "111",
+    type: 1,
+    settingType: 1
+}
+call.setCallTransfer(0, callTransferInfo, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.setCallTransfer<sup>8+</sup>
+
+setCallTransfer\(slotId: number, info: CallTransferInfo): Promise<void\>
+
+Sets call transfer information. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type                                 | Mandatory| Description                                  |
+| ------ | ------------------------------------- | ---- | -------------------------------------- |
+| slotId | number                                | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| info   | [CallTransferInfo](#calltransferinfo8) | Yes  | Call transfer information.                       |
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let callTransferInfo={
+    transferNum: "111",
+    type: 1,
+    settingType: 1
+}
+let promise = call.setCallTransfer(0, callTransferInfo);
+promise.then(data => {
+    console.log(`setCallTransfer success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`setCallTransfer fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.isRinging<sup>8+</sup>
+
+isRinging\(callback: AsyncCallback<boolean\>\): void
+
+Checks whether the ringtone is playing. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                        | Mandatory| Description      |
+| -------- | ---------------------------- | ---- | ---------- |
+| callback | AsyncCallback&lt;boolean&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.isRinging((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.isRinging<sup>8+</sup>
+
+isRinging\(\): Promise<boolean\>
+
+Checks whether the ringtone is playing. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Return value**
+
+| Type                  | Description                       |
+| ---------------------- | --------------------------- |
+| Promise&lt;boolean&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.isRinging();
+promise.then(data => {
+    console.log(`isRinging success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`isRinging fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.setMuted<sup>8+</sup>
+
+setMuted\(callback: AsyncCallback<void\>\): void
+
+Sets call muting. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description      |
+| -------- | ------------------------- | ---- | ---------- |
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.setMuted((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.setMuted<sup>8+</sup>
+
+setMuted\(\): Promise<void\>
+
+Sets call muting. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.setMuted();
+promise.then(data => {
+    console.log(`setMuted success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`setMuted fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.cancelMuted<sup>8+</sup>
+
+cancelMuted(callback: AsyncCallback<void\>): void
+
+Cancels call muting. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description      |
+| -------- | ------------------------- | ---- | ---------- |
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.cancelMuted((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.cancelMuted<sup>8+</sup>
+
+cancelMuted(): Promise<void\>
+
+Cancels call muting. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.cancelMuted();
+promise.then(data => {
+    console.log(`cancelMuted success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`cancelMuted fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.setAudioDevice<sup>8+</sup>
+
+setAudioDevice\(device: AudioDevice, callback: AsyncCallback<void\>\): void
+
+Sets the audio device for a call. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                        | Mandatory| Description      |
+| -------- | ---------------------------- | ---- | ---------- |
+| device   | [AudioDevice](#audiodevice8) | Yes  | Audio device.|
+| callback | AsyncCallback&lt;void&gt;    | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+call.setAudioDevice(1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.setAudioDevice<sup>8+</sup>
+
+setAudioDevice\(device: AudioDevice, options: AudioDeviceOptions, callback: AsyncCallback<void\>\): void
+
+Sets the audio device for a call based on the specified options. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                                      | Mandatory| Description          |
+| -------- | ------------------------------------------ | ---- | -------------- |
+| device   | [AudioDevice](#audiodevice8)               | Yes  | Audio device.    |
+| options  | [AudioDeviceOptions](#audiodeviceoptions9) | Yes  | Audio device parameters.|
+| callback | AsyncCallback&lt;void&gt;                  | Yes  | Callback used to return the result.    |
+
+**Example**
+
+```js
+let audioDeviceOptions={
+    bluetoothAddress: "IEEE 802-2014"
+}
+call.setAudioDevice(1, bluetoothAddress, (err, value) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## call.setAudioDevice<sup>8+</sup>
+
+setAudioDevice(device: AudioDevice, options?: AudioDeviceOptions): Promise<void\>
+
+Sets the audio device for a call based on the specified options. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name | Type                                      | Mandatory| Description              |
+| ------- | ------------------------------------------ | ---- | ------------------ |
+| device  | [AudioDevice](#audiodevice8)               | Yes  | Audio device.        |
+| options | [AudioDeviceOptions](#audiodeviceoptions9) | No  | Audio device parameters.|
+
+**Return value**
+
+| Type               | Description                           |
+| ------------------- | ------------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let audioDeviceOptions={
+    bluetoothAddress: "IEEE 802-2014"
+}
+let promise = call.setAudioDevice(1, audioDeviceOptions);
+promise.then(data => {
+    console.log(`setAudioDevice success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`setAudioDevice fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.joinConference<sup>8+</sup>
+
+joinConference(mainCallId: number, callNumberList: Array<string\>, callback: AsyncCallback<void\>): void
+
+Joins a conference call. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name        | Type                     | Mandatory| Description           |
+| -------------- | ------------------------- | ---- | --------------- |
+| mainCallId     | number                    | Yes  | Main call ID.     |
+| callNumberList | Array<string\>            | Yes  | List of call numbers.|
+| callback       | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.     |
+
+**Example**
+
+```js
+call.joinConference(1, "138XXXXXXXX", (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## call.joinConference<sup>8+</sup>
+
+joinConference(mainCallId: number, callNumberList: Array<string\>): Promise<void\>
+
+Joins a conference call. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name        | Type          | Mandatory| Description           |
+| -------------- | -------------- | ---- | --------------- |
+| mainCallId     | number         | Yes  | Main call ID.     |
+| callNumberList | Array<string\> | Yes  | List of call numbers.|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.joinConference(1, "138XXXXXXXX");
+promise.then(data => {
+    console.log(`joinConference success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`joinConference fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.updateImsCallMode<sup>8+</sup>
+
+updateImsCallMode(callId: number, mode: ImsCallMode, callback: AsyncCallback<void\>): void
+
+Updates the IMS call mode. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                        | Mandatory| Description          |
+| -------- | ---------------------------- | ---- | -------------- |
+| callId   | number                       | Yes  | Call ID.      |
+| mode     | [ImsCallMode](#imscallmode8) | Yes  | IMS call mode.|
+| callback | AsyncCallback&lt;void&gt;    | Yes  | Callback used to return the result.    |
+
+**Example**
+
+```js
+call.updateImsCallMode(1, 1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## call.updateImsCallMode<sup>8+</sup>
+
+updateImsCallMode(callId: number, mode: ImsCallMode): Promise<void\>
+
+Updates the IMS call mode. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type                        | Mandatory| Description          |
+| ------ | ---------------------------- | ---- | -------------- |
+| callId | number                       | Yes  | Call ID.      |
+| mode   | [ImsCallMode](#imscallmode8) | Yes  | IMS call mode.|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.updateImsCallMode(1, 1);
+promise.then(data => {
+    console.log(`updateImsCallMode success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`updateImsCallMode fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.enableImsSwitch<sup>8+</sup>
+
+enableImsSwitch(slotId: number, callback: AsyncCallback<void\>): void
+
+Enables the IMS switch. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description                                  |
+| -------- | ------------------------- | ---- | -------------------------------------- |
+| slotId   | number                    | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+call.enableImsSwitch(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## call.enableImsSwitch<sup>8+</sup>
+
+enableImsSwitch(slotId: number): Promise<void\>
+
+Enables the IMS switch. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.enableImsSwitch(0);
+promise.then(data => {
+    console.log(`enableImsSwitch success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`enableImsSwitch fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.disableImsSwitch<sup>8+</sup>
+
+disableImsSwitch(slotId: number, callback: AsyncCallback<void\>): void
+
+Disables the IMS switch. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description                                  |
+| -------- | ------------------------- | ---- | -------------------------------------- |
+| slotId   | number                    | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+call.disableImsSwitch(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## call.disableImsSwitch<sup>8+</sup>
+
+disableImsSwitch(slotId: number): Promise<void\>
+
+Disables the IMS switch. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.disableImsSwitch(0);
+promise.then(data => {
+    console.log(`disableImsSwitch success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`disableImsSwitch fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## call.isImsSwitchEnabled<sup>8+</sup>
+
+isImsSwitchEnabled(slotId: number, callback: AsyncCallback<boolean\>): void
+
+Checks whether the IMS switch is enabled. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name  | Type                        | Mandatory| Description                                  |
+| -------- | ---------------------------- | ---- | -------------------------------------- |
+| slotId   | number                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback&lt;boolean&gt; | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+call.isImsSwitchEnabled(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## call.isImsSwitchEnabled<sup>8+</sup>
+
+isImsSwitchEnabled(slotId: number): Promise<boolean\>
+
+Checks whether the IMS switch is enabled. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type               | Description                       |
+| ------------------- | --------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = call.isImsSwitchEnabled(0);
+promise.then(data => {
+    console.log(`isImsSwitchEnabled success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`isImsSwitchEnabled fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+
 ## DialOptions
 
-Provides an option for determining whether a call is a video call.
+Defines the dialup options.
 
 **System capability**: SystemCapability.Telephony.CallManager
 
-| Name| Type   | Mandatory | Description                                                        |
-| ------ | ------- | ---- | ------------------------------------------------------------ |
-| extras | boolean | No  | Indication of a video call. <br>- **true**: video call<br>- **false** (default): voice call|
+| Name    | Type                              | Mandatory| Description                                                        |
+| ---------- | ---------------------------------- | ---- | ------------------------------------------------------------ |
+| extras     | boolean                            | No  | Indication of a video call. <br>- **true**: video call<br>- **false** (default): voice call|
+| accountId  | number                             | No  | Account ID. This API is supported since API version 8. It is a system API.         |
+| videoState | [VideoStateType](#videostatetype7) | No  | Video state type. This API is supported since API version 8. It is a system API.   |
+| dialScene  | [DialScene](#dialscene8)           | No  | Dialup scenario. This API is supported since API version 8. It is a system API.       |
+| dialType   | [DialType](#dialtype8)             | No  | Dialup type. This API is supported since API version 8. It is a system API.       |
 
 ## CallState
 
@@ -539,7 +2766,7 @@ Enumerates call states.
 
 ## EmergencyNumberOptions<sup>7+</sup>
 
-Provides an option for determining whether a number is an emergency number for the SIM card in the specified slot.
+Defines options for determining whether a number is an emergency number.
 
 **System capability**: SystemCapability.Telephony.CallManager
 
@@ -549,10 +2776,401 @@ Provides an option for determining whether a number is an emergency number for t
 
 ## NumberFormatOptions<sup>7+</sup>
 
-Provides an option for number formatting.
+Defines the number formatting options.
 
 **System capability**: SystemCapability.Telephony.CallManager
 
 | Name     | Type  | Mandatory | Description                                                      |
 | ----------- | ------ | ---- | ---------------------------------------------------------- |
 | countryCode | string | No  | Country code, for example, **CN** (China). All country codes are supported. The default value is **CN**. |
+
+## ImsCallMode<sup>8+</sup>
+
+Enumerates IMS call modes.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name                  | Value  | Description              |
+| ---------------------- | ---- | ------------------ |
+| CALL_MODE_AUDIO_ONLY   | 0    | Audio call only.      |
+| CALL_MODE_SEND_ONLY    | 1    | Sending calls only.        |
+| CALL_MODE_RECEIVE_ONLY | 2    | Receiving calls only.        |
+| CALL_MODE_SEND_RECEIVE | 3    | Sending and receiving calls.|
+| CALL_MODE_VIDEO_PAUSED | 4    | Pausing video calls.      |
+
+## AudioDevice<sup>8+</sup>
+
+Enumerates audio devices.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name                | Value  | Description        |
+| -------------------- | ---- | ------------ |
+| DEVICE_EARPIECE      | 0    | Headset device.    |
+| DEVICE_SPEAKER       | 1    | Speaker device.|
+| DEVICE_WIRED_HEADSET | 2    | Wired headset device.|
+| DEVICE_BLUETOOTH_SCO | 3    | Bluetooth SCO device. |
+
+## CallRestrictionType<sup>8+</sup>
+
+Enumerates call restriction types.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name                                         | Value  | Description                      |
+| --------------------------------------------- | ---- | -------------------------- |
+| RESTRICTION_TYPE_ALL_INCOMING                 | 0    | Barring of all incoming calls.              |
+| RESTRICTION_TYPE_ALL_OUTGOING                 | 1    | Barring of all outgoing calls.              |
+| RESTRICTION_TYPE_INTERNATIONAL                | 2    | Barring of international calls.              |
+| RESTRICTION_TYPE_INTERNATIONAL_EXCLUDING_HOME | 3    | Barring of international calls except those in the home country.|
+| RESTRICTION_TYPE_ROAMING_INCOMING             | 4    | Barring of incoming roaming calls.              |
+| RESTRICTION_TYPE_ALL_CALLS                    | 5    | Barring of all calls.              |
+| RESTRICTION_TYPE_OUTGOING_SERVICES            | 6    | Barring of outgoing services.              |
+| RESTRICTION_TYPE_INCOMING_SERVICES            | 7    | Barring of incoming services.              |
+
+## CallTransferInfo<sup>8+</sup>
+
+Defines the call transfer information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name     | Type                                                | Mandatory| Description            |
+| ----------- | ---------------------------------------------------- | ---- | ---------------- |
+| transferNum | string                                               | Yes  | Call transfer number.        |
+| type        | [CallTransferType](#calltransfertype8)               | Yes  | Call transfer type.    |
+| settingType | [CallTransferSettingType](#calltransfersettingtype8) | Yes  | Call transfer setting type.|
+
+## CallTransferType<sup>8+</sup>
+
+Enumerates call transfer types.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name                       | Value  | Description        |
+| --------------------------- | ---- | ------------ |
+| TRANSFER_TYPE_UNCONDITIONAL | 0    | Call forwarding unconditional.  |
+| TRANSFER_TYPE_BUSY          | 1    | Call forwarding busy.    |
+| TRANSFER_TYPE_NO_REPLY      | 2    | Call forwarding on no reply.  |
+| TRANSFER_TYPE_NOT_REACHABLE | 3    | Call forwarding on no user not reachable.|
+
+## CallTransferSettingType<sup>8+</sup>
+
+Enumerates call transfer setting types.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name                      | Value  | Description        |
+| -------------------------- | ---- | ------------ |
+| CALL_TRANSFER_DISABLE      | 0    | Disabling of call transfer.|
+| CALL_TRANSFER_ENABLE       | 1    | Enabling of call transfer.|
+| CALL_TRANSFER_REGISTRATION | 3    | Registration of call transfer.|
+| CALL_TRANSFER_ERASURE      | 4    | Erasing of call transfer.|
+
+## CallAttributeOptions<sup>7+</sup>
+
+Defines the call attribute options.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name         | Type                                    | Mandatory| Description          |
+| --------------- | ---------------------------------------- | ---- | -------------- |
+| accountNumber   | string                                   | Yes  | Account number.      |
+| speakerphoneOn  | boolean                                  | Yes  | Speakerphone on.|
+| accountId       | number                                   | Yes  | Account ID.        |
+| videoState      | [VideoStateType](#videostatetype7)       | Yes  | Video state type.  |
+| startTime       | number                                   | Yes  | Start time.      |
+| isEcc           | boolean                                  | Yes  | Whether the call is an ECC.     |
+| callType        | [CallType](#calltype7)                   | Yes  | Call type.      |
+| callId          | number                                   | Yes  | Call ID.        |
+| callState       | [DetailedCallState](#detailedcallstate7) | Yes  | Detailed call state.  |
+| conferenceState | [ConferenceState](#conferencestate7)     | Yes  | Conference state.      |
+
+## ConferenceState<sup>7+</sup>
+
+Enumerates conference states.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name                        | Value  | Description          |
+| ---------------------------- | ---- | -------------- |
+| TEL_CONFERENCE_IDLE          | 0    | Idle state.  |
+| TEL_CONFERENCE_ACTIVE        | 1    | Active state.  |
+| TEL_CONFERENCE_DISCONNECTING | 2    | Disconnecting state.  |
+| TEL_CONFERENCE_DISCONNECTED  | 3    | Disconnected state.|
+
+## CallType<sup>7+</sup>
+
+Enumerates call types.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name         | Value  | Description        |
+| ------------- | ---- | ------------ |
+| TYPE_CS       | 0    | CS call.      |
+| TYPE_IMS      | 1    | IMS call.     |
+| TYPE_OTT      | 2    | OTT call.     |
+| TYPE_ERR_CALL | 3    | Error call type.|
+
+## VideoStateType<sup>7+</sup>
+
+Enumerates video state types.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name      | Value  | Description    |
+| ---------- | ---- | -------- |
+| TYPE_VOICE | 0    | Voice state.|
+| TYPE_VIDEO | 1    | Video state.|
+
+## DetailedCallState<sup>7+</sup>
+
+Enumerates detailed call states.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name                     | Value  | Description          |
+| ------------------------- | ---- | -------------- |
+| CALL_STATUS_ACTIVE        | 0    | Active state.  |
+| CALL_STATUS_HOLDING       | 1    | Hold state.  |
+| CALL_STATUS_DIALING       | 2    | Dialing state.  |
+| CALL_STATUS_ALERTING      | 3    | Alerting state.  |
+| CALL_STATUS_INCOMING      | 4    | Incoming state.  |
+| CALL_STATUS_WAITING       | 5    | Waiting state.  |
+| CALL_STATUS_DISCONNECTED  | 6    | Disconnected state.|
+| CALL_STATUS_DISCONNECTING | 7    | Disconnecting state.  |
+| CALL_STATUS_IDLE          | 8    | Idle state.  |
+
+## CallRestrictionInfo<sup>8+</sup>
+
+Defines the call restriction information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name  | Type                                        | Mandatory| Description        |
+| -------- | -------------------------------------------- | ---- | ------------ |
+| type     | [CallRestrictionType](#callrestrictiontype8) | Yes  | Call restriction type.|
+| password | string                                       | Yes  | Password.        |
+| mode     | [CallRestrictionMode](#callrestrictionmode8) | Yes  | Call restriction mode.|
+
+## CallRestrictionMode<sup>8+</sup>
+
+Enumerates call restriction modes.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name                         | Value  | Description        |
+| ----------------------------- | ---- | ------------ |
+| RESTRICTION_MODE_DEACTIVATION | 0    | Call restriction deactivated.|
+| RESTRICTION_MODE_ACTIVATION   | 1    | Call restriction activated.|
+
+## CallEventOptions<sup>8+</sup>
+
+Defines the call event options.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name | Type                                      | Mandatory| Description          |
+| ------- | ------------------------------------------ | ---- | -------------- |
+| eventId | [CallAbilityEventId](#callabilityeventid8) | Yes  | Call ability event ID.|
+
+## CallAbilityEventId<sup>8+</sup>
+
+Enumerates call ability event IDs.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name                    | Value  | Description           |
+| ------------------------ | ---- | --------------- |
+| EVENT_DIAL_NO_CARRIER    | 1    | No available carrier during dialing. |
+| EVENT_INVALID_FDN_NUMBER | 2    | Invalid FDN.|
+
+## DialScene<sup>8+</sup>
+
+Enumerates dialup scenarios.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name           | Value  | Description        |
+| --------------- | ---- | ------------ |
+| CALL_NORMAL     | 0    | Common call.    |
+| CALL_PRIVILEGED | 1    | Privileged call.    |
+| CALL_EMERGENCY  | 2    | Emergency call.|
+
+## DialType<sup>8+</sup>
+
+Enumerates dialup types.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name                | Value  | Description            |
+| -------------------- | ---- | ---------------- |
+| DIAL_CARRIER_TYPE    | 0    | Carrier.    |
+| DIAL_VOICE_MAIL_TYPE | 1    | Voice mail.|
+| DIAL_OTT_TYPE        | 2    | OTT.     |
+
+## RejectMessageOptions<sup>7+</sup>
+
+Defines options for the call rejection message.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name        | Type  | Mandatory| Description    |
+| -------------- | ------ | ---- | -------- |
+| messageContent | string | Yes  | Message content.|
+
+## CallTransferResult<sup>8+</sup>
+
+Defines the call transfer result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name| Type                              | Mandatory| Description    |
+| ------ | ---------------------------------- | ---- | -------- |
+| status | [TransferStatus](#transferstatus8) | Yes  | Transfer status.|
+| number | string                             | Yes  | Number.    |
+
+## CallWaitingStatus<sup>7+</sup>
+
+Enumerates call waiting states.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name                | Value  | Description        |
+| -------------------- | ---- | ------------ |
+| CALL_WAITING_DISABLE | 0    | Call waiting disabled.|
+| CALL_WAITING_ENABLE  | 1    | Call waiting enabled.|
+
+## RestrictionStatus<sup>8+</sup>
+
+Enumerates call restriction states.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name               | Value  | Description    |
+| ------------------- | ---- | -------- |
+| RESTRICTION_DISABLE | 0    | Call restriction disabled.|
+| RESTRICTION_ENABLE  | 1    | Call restriction enabled.|
+
+## TransferStatus<sup>8+</sup>
+
+Enumerates call transfer states.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name            | Value  | Description    |
+| ---------------- | ---- | -------- |
+| TRANSFER_DISABLE | 0    | Call transfer disabled.|
+| TRANSFER_ENABLE  | 1    | Call transfer enabled.|
+
+## DisconnectedDetails<sup>8+</sup>
+
+Enumerates causes of call disconnection.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name                       | Value  | Description                  |
+| --------------------------- | ---- | ---------------------- |
+| UNASSIGNED_NUMBER           | 1    | Unallocated number.    |
+| NO_ROUTE_TO_DESTINATION     | 3    | No route to the destination.      |
+| CHANNEL_UNACCEPTABLE        | 6    | Unacceptable channel.        |
+| OPERATOR_DETERMINED_BARRING | 8    | Operator determined barring (ODB).            |
+| NORMAL_CALL_CLEARING        | 16   | Normal call clearing.          |
+| USER_BUSY                   | 17   | User busy.                |
+| NO_USER_RESPONDING          | 18   | No user response.            |
+| USER_ALERTING_NO_ANSWER     | 19   | Alerting but no answer.|
+| CALL_REJECTED               | 21   | Call rejected.              |
+| NUMBER_CHANGED              | 22   | Number changed.              |
+| DESTINATION_OUT_OF_ORDER    | 27   | Destination fault.              |
+| INVALID_NUMBER_FORMAT       | 28   | Invalid number format.          |
+| NETWORK_OUT_OF_ORDER        | 38   | Network fault.              |
+| TEMPORARY_FAILURE           | 41   | Temporary fault.              |
+| INVALID_PARAMETER           | 1025 | Invalid parameter.              |
+| SIM_NOT_EXIT                | 1026 | SIM card not exit.           |
+| SIM_PIN_NEED                | 1027 | SIM card PIN required.        |
+| CALL_NOT_ALLOW              | 1029 | Call not allowed.            |
+| SIM_INVALID                 | 1045 | Invalid SIM card.             |
+| UNKNOWN                     | 1279 | Unknown reason.              |
+
+## MmiCodeResults<sup>9+</sup>
+
+Defines the MMI code result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name   | Type                            | Mandatory| Description           |
+| ------- | -------------------------------- | ---- | --------------- |
+| result  | [MmiCodeResult](#mmicoderesult9) | Yes  | MMI code result.|
+| message | string                           | Yes  | MMI code message.|
+
+## MmiCodeResult<sup>9+</sup>
+
+Enumerates MMI code results.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name            | Value  | Description         |
+| ---------------- | ---- | ------------- |
+| MMI_CODE_SUCCESS | 0    | Success.|
+| MMI_CODE_FAILED  | 1    | Failure.|
+
+## AudioDeviceOptions<sup>9+</sup>
+
+Defines audio device options.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CallManager
+
+| Name            | Type  | Mandatory| Description    |
+| ---------------- | ------ | ---- | -------- |
+| bluetoothAddress | string | No  | Bluetooth address.|
diff --git a/en/application-dev/reference/apis/js-apis-radio.md b/en/application-dev/reference/apis/js-apis-radio.md
index 5b371ea072..4fe516d2b2 100644
--- a/en/application-dev/reference/apis/js-apis-radio.md
+++ b/en/application-dev/reference/apis/js-apis-radio.md
@@ -899,9 +899,698 @@ promise.then(data => {
 });
 ```
 
+## radio.sendUpdateCellLocationRequest<sup>8+</sup>
+
+sendUpdateCellLocationRequest\(callback: AsyncCallback<void\>\): void
+
+Sends a cell location update request. This API uses an asynchronous callback to return the result.
+
+
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                 | Mandatory| Description      |
+| -------- | --------------------- | ---- | ---------- |
+| callback | AsyncCallback\<void\> | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+radio.sendUpdateCellLocationRequest((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## radio.sendUpdateCellLocationRequest<sup>8+</sup>
+
+sendUpdateCellLocationRequest\(\): Promise<void\>
+
+Sends a cell location update request. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Return value**
+
+| Type           | Description                   |
+| --------------- | ----------------------- |
+| Promise\<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = radio.sendUpdateCellLocationRequest();
+promise.then(data => {
+    console.log(`sendUpdateCellLocationRequest success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`sendUpdateCellLocationRequest fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## radio.getCellInformation<sup>8+</sup>
+
+getCellInformation(callback: AsyncCallback<Array<CellInformation\>>): void
+
+Obtains cell information. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permissions**: ohos.permission.LOCATION
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                                                        | Mandatory| Description                    |
+| -------- | ------------------------------------------------------------ | ---- | ------------------------ |
+| callback | AsyncCallback\<Array<[CellInformation](#cellinformation8)\>\> | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+radio.getCellInformation((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## radio.getCellInformation<sup>8+</sup>
+
+getCellInformation(slotId: number, callback: AsyncCallback<Array<CellInformation\>\>): void
+
+Obtains cell information. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permissions**: ohos.permission.LOCATION
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                                                        | Mandatory| Description                                  |
+| -------- | ------------------------------------------------------------ | ---- | -------------------------------------- |
+| slotId   | number                                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback\<Array<[CellInformation](#cellinformation8)\>\> | Yes  | Callback used to return the result.              |
+
+**Example**
+
+```js
+let slotId = 0;
+radio.getCellInformation(slotId, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## radio.getCellInformation<sup>8+</sup>
+
+getCellInformation(slotId?: number): Promise<Array<CellInformation\>\>
+
+Obtains cell information. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permissions**: ohos.permission.LOCATION
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | No  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type                                                   | Description                   |
+| ------------------------------------------------------- | ----------------------- |
+| Promise\<Array<[CellInformation](#cellinformation8)\>\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let slotId = 0;
+let promise = radio.getCellInformation(slotId);
+promise.then(data => {
+    console.log(`getCellInformation success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`getCellInformation fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## radio.setNetworkSelectionMode
+
+setNetworkSelectionMode\(options: NetworkSelectionModeOptions, callback: AsyncCallback<void\>\): void
+
+Sets the network selection mode. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                                                       | Mandatory| Description              |
+| -------- | ----------------------------------------------------------- | ---- | ------------------ |
+| options  | [NetworkSelectionModeOptions](#networkselectionmodeoptions) | Yes  | Network selection mode.|
+| callback | AsyncCallback\<void\>                                       | Yes  | Callback used to return the result.        |
+
+**Example**
+
+```js
+let networkInformation={
+    operatorName: "China Mobile",
+    operatorNumeric: "898600",
+    state: 1,
+    radioTech: "CS"
+}
+let networkSelectionModeOptions={
+    slotid: 0,
+    selectMode: 1,
+    networkInformation: networkInformation,
+    resumeSelection: true
+}
+radio.setNetworkSelectionMode(networkSelectionModeOptions, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## radio.setNetworkSelectionMode
+
+setNetworkSelectionMode\(options: NetworkSelectionModeOptions\): Promise<void\>
+
+Sets the network selection mode. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name | Type                                                       | Mandatory| Description              |
+| ------- | ----------------------------------------------------------- | ---- | ------------------ |
+| options | [NetworkSelectionModeOptions](#networkselectionmodeoptions) | Yes  | Network selection mode.|
+
+**Return value**
+
+| Type           | Description                   |
+| --------------- | ----------------------- |
+| Promise\<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let networkInformation={
+    operatorName: "China Mobile",
+    operatorNumeric: "898600",
+    state: 1,
+    radioTech: "CS"
+}
+let networkSelectionModeOptions={
+    slotid: 0,
+    selectMode: 1,
+    networkInformation: networkInformation,
+    resumeSelection: true
+}
+let promise = radio.setNetworkSelectionMode(networkSelectionModeOptions);
+promise.then(data => {
+    console.log(`setNetworkSelectionMode success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`setNetworkSelectionMode fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## radio.getNetworkSearchInformation
+
+getNetworkSearchInformation\(slotId: number, callback: AsyncCallback<NetworkSearchResult\>\): void
+
+Obtains network search information. This API uses an asynchronous callback to return the result. 
+
+This is a system API.
+
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                                                        | Mandatory| Description                                  |
+| -------- | ------------------------------------------------------------ | ---- | -------------------------------------- |
+| slotId   | number                                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback\<[NetworkSearchResult](#networksearchresult)\> | Yes  | Callback used to return the result.            |
+
+**Example**
+
+```js
+radio.getNetworkSearchInformation(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## radio.getNetworkSearchInformation
+
+getNetworkSearchInformation\(slotId: number\): Promise<void\>
+
+Obtains network search information. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type                                                  | Description                   |
+| ------------------------------------------------------ | ----------------------- |
+| Promise\<[NetworkSearchResult](#networksearchresult)\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = radio.getNetworkSearchInformation(0);
+promise.then(data => {
+    console.log(`getNetworkSearchInformation success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`getNetworkSearchInformation fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## radio.getNrOptionMode<sup>8+</sup>
+
+getNrOptionMode(callback: AsyncCallback<NrOptionMode\>): void
+
+Obtains the NR option mode. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                                           | Mandatory| Description      |
+| -------- | ----------------------------------------------- | ---- | ---------- |
+| callback | AsyncCallback\<[NrOptionMode](#nroptionmode8)\> | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+radio.getNrOptionMode((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## radio.getNrOptionMode<sup>8+</sup>
+
+getNrOptionMode(slotId: number, callback: AsyncCallback<NrOptionMode\>): void
+
+Obtains the NR option mode. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                                           | Mandatory| Description                                  |
+| -------- | ----------------------------------------------- | ---- | -------------------------------------- |
+| slotId   | number                                          | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback\<[NrOptionMode](#nroptionmode8)\> | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+let slotId = 0;
+radio.getNrOptionMode(slotId, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## radio.getNrOptionMode<sup>8+</sup>
+
+getNrOptionMode(slotId?: number): Promise<NrOptionMode\>
+
+Obtains the NR option mode. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | No  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type                                     | Description                   |
+| ----------------------------------------- | ----------------------- |
+| Promise\<[NrOptionMode](#nroptionmode8)\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let slotId = 0;
+let promise = radio.getNrOptionMode(slotId);
+promise.then(data => {
+    console.log(`getNrOptionMode success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`getNrOptionMode fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## radio.turnOnRadio<sup>7+</sup>
+
+turnOnRadio(callback: AsyncCallback<void\>): void
+
+Turns on the radio function. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                 | Mandatory| Description      |
+| -------- | --------------------- | ---- | ---------- |
+| callback | AsyncCallback\<void\> | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+radio.turnOnRadio((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## radio.turnOnRadio<sup>7+</sup>
+
+turnOnRadio(slotId: number, callback: AsyncCallback<void\>): void
+
+Turns on the radio function for the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                 | Mandatory| Description                                  |
+| -------- | --------------------- | ---- | -------------------------------------- |
+| slotId   | number                | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback\<void\> | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+let slotId = 0;
+radio.turnOnRadio(slotId, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## radio.turnOnRadio<sup>7+</sup>
+
+turnOnRadio(slotId?: number): Promise<void\>
+
+Turns on the radio function for the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | No  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type           | Description                   |
+| --------------- | ----------------------- |
+| Promise\<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let slotId = 0;
+let promise = radio.turnOnRadio(slotId);
+promise.then(data => {
+    console.log(`turnOnRadio success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`turnOnRadio fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## radio.turnOffRadio<sup>7+</sup>
+
+turnOffRadio(callback: AsyncCallback<void\>): void
+
+Turns off the radio function. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                 | Mandatory| Description      |
+| -------- | --------------------- | ---- | ---------- |
+| callback | AsyncCallback\<void\> | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+radio.turnOffRadio((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## radio.turnOffRadio<sup>7+</sup>
+
+turnOffRadio(slotId: number, callback: AsyncCallback<void\>): void
+
+Turns off the radio function for the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                 | Mandatory| Description                                  |
+| -------- | --------------------- | ---- | -------------------------------------- |
+| slotId   | number                | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback\<void\> | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+let slotId = 0;
+radio.turnOffRadio(slotId, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## radio.turnOffRadio<sup>7+</sup>
+
+turnOffRadio(slotId?: number): Promise<void\>
+
+Turns off the radio function for the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | No  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type           | Description                   |
+| --------------- | ----------------------- |
+| Promise\<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let slotId = 0;
+let promise = radio.turnOffRadio(slotId);
+promise.then(data => {
+    console.log(`turnOffRadio success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`turnOffRadio fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## radio.setPreferredNetwork<sup>8+</sup>
+
+setPreferredNetwork\(slotId: number, networkMode: PreferredNetworkMode, callback: AsyncCallback<void\>\): void
+
+Sets the preferred network. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name     | Type                                          | Mandatory| Description                                  |
+| ----------- | ---------------------------------------------- | ---- | -------------------------------------- |
+| slotId      | number                                         | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| networkMode | [PreferredNetworkMode](#preferrednetworkmode8) | Yes  | Preferred network mode.                      |
+| callback    | AsyncCallback\<void\>                          | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+radio.setPreferredNetwork(0, 1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## radio.setPreferredNetwork<sup>8+</sup>
+
+setPreferredNetwork(slotId: number, networkMode: PreferredNetworkMode): Promise<void\>
+
+Sets the preferred network. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name     | Type                                          | Mandatory| Description                                  |
+| ----------- | ---------------------------------------------- | ---- | -------------------------------------- |
+| slotId      | number                                         | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| networkMode | [PreferredNetworkMode](#preferrednetworkmode8) | Yes  | Preferred network mode.                      |
+
+**Return value**
+
+| Type           | Description                   |
+| --------------- | ----------------------- |
+| Promise\<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = radio.setPreferredNetwork(0, 1);
+promise.then(data => {
+    console.log(`setPreferredNetwork success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`setPreferredNetwork fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## radio.getPreferredNetwork<sup>8+</sup>
+
+getPreferredNetwork\(slotId: number, callback: AsyncCallback<PreferredNetworkMode\>\): void
+
+Obtains the preferred network. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                                                        | Mandatory| Description                                  |
+| -------- | ------------------------------------------------------------ | ---- | -------------------------------------- |
+| slotId   | number                                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback\<[PreferredNetworkMode](#preferrednetworkmode8)\> | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+radio.getPreferredNetwork(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## radio.getPreferredNetwork<sup>8+</sup>
+
+getPreferredNetwork(slotId: number): Promise<void\>
+
+Obtains the preferred network. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type           | Description                   |
+| --------------- | ----------------------- |
+| Promise\<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = radio.getPreferredNetwork(0);
+promise.then(data => {
+    console.log(`getPreferredNetwork success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`getPreferredNetwork fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
 ## RadioTechnology
 
-Enumerates the RAT.
+Enumerates radio access technologies.
 
 **System capability**: SystemCapability.Telephony.CoreService
 
@@ -1010,3 +1699,238 @@ Enumerates network selection modes.
 | NETWORK_SELECTION_UNKNOWN   | 0    | Unknown network selection mode.|
 | NETWORK_SELECTION_AUTOMATIC | 1    | Automatic network selection mode.|
 | NETWORK_SELECTION_MANUAL    | 2    | Manual network selection mode.|
+
+## PreferredNetworkMode<sup>8+</sup>
+
+Enumerates preferred network modes.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name                                                     | Value  | Description                                         |
+| --------------------------------------------------------- | ---- | --------------------------------------------- |
+| PREFERRED_NETWORK_MODE_GSM                                | 1    | GSM network mode.                            |
+| PREFERRED_NETWORK_MODE_WCDMA                              | 2    | WCDMA network mode.                          |
+| PREFERRED_NETWORK_MODE_LTE                                | 3    | LTE network mode.                            |
+| PREFERRED_NETWORK_MODE_LTE_WCDMA                          | 4    | LTE+WCDMA network mode.                      |
+| PREFERRED_NETWORK_MODE_LTE_WCDMA_GSM                      | 5    | LTE+WCDMA+GSM network mode.                  |
+| PREFERRED_NETWORK_MODE_WCDMA_GSM                          | 6    | WCDMA+GSM network mode.                      |
+| PREFERRED_NETWORK_MODE_CDMA                               | 7    | CDMA network mode.                           |
+| PREFERRED_NETWORK_MODE_EVDO                               | 8    | EVDO network mode.                           |
+| PREFERRED_NETWORK_MODE_EVDO_CDMA                          | 9    | EVDO+CDMA network mode.                      |
+| PREFERRED_NETWORK_MODE_WCDMA_GSM_EVDO_CDMA                | 10   | WCDMA+GSM+EVDO+CDMA network mode.            |
+| PREFERRED_NETWORK_MODE_LTE_EVDO_CDMA                      | 11   | LTE+EVDO+CDMA network mode.                  |
+| PREFERRED_NETWORK_MODE_LTE_WCDMA_GSM_EVDO_CDMA            | 12   | LTE+WCDMA+GSM+EVDO+CDMA network mode.        |
+| PREFERRED_NETWORK_MODE_TDSCDMA                            | 13   | TD-SCDMA network mode.                        |
+| PREFERRED_NETWORK_MODE_TDSCDMA_GSM                        | 14   | TD-SCDMA+GSM network mode.                    |
+| PREFERRED_NETWORK_MODE_TDSCDMA_WCDMA                      | 15   | TD-SCDMA+WCDMA network mode.                  |
+| PREFERRED_NETWORK_MODE_TDSCDMA_WCDMA_GSM                  | 16   | TD-SCDMA+WCDMA+GSM network mode.              |
+| PREFERRED_NETWORK_MODE_LTE_TDSCDMA                        | 17   | LTE+TD-SCDMA network mode.                    |
+| PREFERRED_NETWORK_MODE_LTE_TDSCDMA_GSM                    | 18   | LTE+TD-SCDMA+GSM network mode.                |
+| PREFERRED_NETWORK_MODE_LTE_TDSCDMA_WCDMA                  | 19   | LTE+TD-SCDMA+WCDMA network mode.              |
+| PREFERRED_NETWORK_MODE_LTE_TDSCDMA_WCDMA_GSM              | 20   | LTE+TD-SCDMA+WCDMA+GSM network mode.          |
+| PREFERRED_NETWORK_MODE_TDSCDMA_WCDMA_GSM_EVDO_CDMA        | 21   | TD-SCDMA+WCDMA+GSM+EVDO+CDMA network mode.    |
+| PREFERRED_NETWORK_MODE_LTE_TDSCDMA_WCDMA_GSM_EVDO_CDMA    | 22   | LTE+TD-SCDMA+WCDMA+GSM+EVDO+CDMA network mode.|
+| PREFERRED_NETWORK_MODE_NR                                 | 31   | NR network mode.                             |
+| PREFERRED_NETWORK_MODE_NR_LTE                             | 32   | NR+LTE network mode.                         |
+| PREFERRED_NETWORK_MODE_NR_LTE_WCDMA                       | 33   | NR+LTE+WCDMA network mode.                   |
+| PREFERRED_NETWORK_MODE_NR_LTE_WCDMA_GSM                   | 34   | NR+LTE+WCDMA+GSM network mode.               |
+| PREFERRED_NETWORK_MODE_NR_LTE_EVDO_CDMA                   | 35   | NR+LTE+EVDO+CDMA network mode.               |
+| PREFERRED_NETWORK_MODE_NR_LTE_WCDMA_GSM_EVDO_CDMA         | 36   | NR+LTE+WCDMA+GSM+EVDO+CDMA network mode.     |
+| PREFERRED_NETWORK_MODE_NR_LTE_TDSCDMA                     | 37   | NR+LTE+TD-SCDMA network mode.                 |
+| PREFERRED_NETWORK_MODE_NR_LTE_TDSCDMA_GSM                 | 38   | NR+LTE+TD-SCDMA+GSM network mode.             |
+| PREFERRED_NETWORK_MODE_NR_LTE_TDSCDMA_WCDMA               | 39   | NR+LTE+TD-SCDMA+WCDMA network mode.           |
+| PREFERRED_NETWORK_MODE_NR_LTE_TDSCDMA_WCDMA_GSM           | 40   | NR+LTE+TD-SCDMA+WCDMA+GSM network mode.       |
+| PREFERRED_NETWORK_MODE_NR_LTE_TDSCDMA_WCDMA_GSM_EVDO_CDMA | 41   | NR+LTE+TD-SCDMA+WCDMA+GSM+EVDO+CDMA network mode.       |
+| PREFERRED_NETWORK_MODE_MAX_VALUE                          | 99   | Maximum value of the preferred network mode.                         |
+
+## CellInformation<sup>8+</sup>
+
+Defines the cell information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name             | Type                                                        | Description                                                        |
+| ----------------- | ------------------------------------------------------------ | ------------------------------------------------------------ |
+| networkType       | [NetworkType](#networkType)                                  | Network type of the cell.                                    |
+| isCamped          | boolean                                                      | Status of the cell.                                        |
+| timeStamp         | number                                                       | Timestamp when cell information is obtained.                                |
+| signalInformation | [SignalInformation](#signalinformation)                      | Signal information.                                                  |
+| data              | [CdmaCellInformation](#cdmacellinformation) \| [GsmCellInformation](#gsmcellinformation) \| [LteCellInformation](#ltecellinformation) \| [NrCellInformation](#nrcellinformation) \| [TdscdmaCellInformation](#tdscdmacellinformation) | CDMA cell information \|GSM cell information \|LTE cell information \|NR cell information \|TD-SCDMA cell information|
+
+## CdmaCellInformation<sup>8+</sup>
+
+Defines the CDMA cell information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name     | Type  | Description        |
+| --------- | ------ | ------------ |
+| baseId    | number | Base station ID.    |
+| latitude  | number | Longitude.      |
+| longitude | number | Latitude.      |
+| nid       | number | Network ID.|
+| sid       | number | System ID.|
+
+## GsmCellInformation<sup>8+</sup>
+
+Defines the GSM cell information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name  | Type  | Description                |
+| ------ | ------ | -------------------- |
+| lac    | number | Location area code.        |
+| cellId | number | Cell ID.            |
+| arfcn  | number | Absolute radio frequency channel number.|
+| bsic   | number | Base station ID.        |
+| mcc    | string | Mobile country code.        |
+| mnc    | string | Mobile network code.          |
+
+## LteCellInformation<sup>8+</sup>
+
+Defines the LTE cell information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name         | Type   | Description                   |
+| ------------- | ------- | ----------------------- |
+| cgi           | number  | Cell global identification.         |
+| pci           | number  | Physical cell ID.         |
+| tac           | number  | Tracking area code.         |
+| earfcn        | number  | Absolute radio frequency channel number.   |
+| bandwidth     | number  | Bandwidth.                 |
+| mcc           | string  | Mobile country code.           |
+| mnc           | string  | Mobile network code.             |
+| isSupportEndc | boolean | Support New Radio_Dual Connectivity|
+
+## NrCellInformation<sup>8+</sup>
+
+Defines the NR cell information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name   | Type  | Description            |
+| ------- | ------ | ---------------- |
+| nrArfcn | number | 5G frequency number.      |
+| pci     | number | Physical cell ID.  |
+| tac     | number | Tracking area code.  |
+| nci     | number | 5G network cell ID.|
+| mcc     | string | Mobile country code.    |
+| mnc     | string | Mobile network code.      |
+
+## TdscdmaCellInformation<sup>8+</sup>
+
+Defines the TD-SCDMA cell information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name  | Type  | Description        |
+| ------ | ------ | ------------ |
+| lac    | number | Location area code.|
+| cellId | number | Cell ID.    |
+| cpid   | number | Cell parameter ID.|
+| uarfcn | number | Absolute radio frequency number.|
+| mcc    | string | Mobile country code.|
+| mnc    | string | Mobile network code.  |
+
+## WcdmaCellInformation<sup>8+</sup>
+
+Defines the WCDMA cell information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name  | Type  | Description        |
+| ------ | ------ | ------------ |
+| lac    | number | Location area code.|
+| cellId | number | Cell ID.    |
+| psc    | number | Primary scrambling code.    |
+| uarfcn | number | Absolute radio frequency number.|
+| mcc    | string | Mobile country code.|
+| mnc    | string | Mobile network code.  |
+
+## NrOptionMode<sup>8+</sup>
+
+Enumerates NR selection modes.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name                | Value  | Description                              |
+| -------------------- | ---- | ---------------------------------- |
+| NR_OPTION_UNKNOWN    | 0    | Unknown NR selection mode.                |
+| NR_OPTION_NSA_ONLY   | 1    | NR selection mode in 5G non-standalone networking.        |
+| NR_OPTION_SA_ONLY    | 2    | NR selection mode in 5G standalone networking.          |
+| NR_OPTION_NSA_AND_SA | 3    | NR selection mode in non-standalone and standalone networking.|
+
+## NetworkSearchResult
+
+Defines the network search result.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name                  | Type                                             | Description          |
+| ---------------------- | ------------------------------------------------- | -------------- |
+| isNetworkSearchSuccess | boolean                                           | Successful network search.|
+| networkSearchResult    | Array<[NetworkInformation](#networkInformation)\> | Network search result.|
+
+## NetworkInformation
+
+Defines the network information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name           | Type                                     | Description          |
+| --------------- | ----------------------------------------- | -------------- |
+| operatorName    | string                                    | Carrier name.|
+| operatorNumeric | string                                    | Carrier number.  |
+| state           | [NetworkInformation](#networkInformation) | Network information status.|
+| radioTech       | string                                    | Radio technology.  |
+
+## NetworkInformationState
+
+Enumerates network information states.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name             | Value  | Description            |
+| ----------------- | ---- | ---------------- |
+| NETWORK_UNKNOWN   | 0    | Unknown state.  |
+| NETWORK_AVAILABLE | 1    | Available for registration.|
+| NETWORK_CURRENT   | 2    | Registered state.|
+| NETWORK_FORBIDDEN | 3    | Unavailable for registration.  |
+
+## NetworkSelectionModeOptions
+
+Defines the network selection mode.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name              | Type                                         | Description                                  |
+| ------------------ | --------------------------------------------- | -------------------------------------- |
+| slotId             | number                                        | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| selectMode         | [NetworkSelectionMode](#networkselectionmode) | Network selection mode.                       |
+| networkInformation | [NetworkInformation](#networkinformation)    | Network information.                           |
+| resumeSelection    | boolean                                       | Whether to resume selection.                            |
diff --git a/en/application-dev/reference/apis/js-apis-sim.md b/en/application-dev/reference/apis/js-apis-sim.md
index 41a4cfc71c..958de3d7d1 100644
--- a/en/application-dev/reference/apis/js-apis-sim.md
+++ b/en/application-dev/reference/apis/js-apis-sim.md
@@ -144,7 +144,7 @@ sim.hasOperatorPrivileges(0, (err, data) => {
 
 hasOperatorPrivileges(slotId: number): Promise<boolean\>
 
-Checks whether the application (caller) has been granted the operator permission. This API uses a promise to return the result. 
+Checks whether the application (caller) has been granted the carrier permission. This API uses a promise to return the result. 
 
 **System capability**: SystemCapability.Telephony.CoreService
 
@@ -158,7 +158,7 @@ Checks whether the application (caller) has been granted the operator permission
 
 | Type              | Description                                                       |
 | :----------------- | :---------------------------------------------------------- |
-| Promise\<boolean\> | Promise used to return the result. The value **true** indicates that the application (caller) has been granted the operator permission, and the value **false** indicates the opposite.|
+| Promise\<boolean\> | Promise used to return the result. The value **true** indicates that the application (caller) has been granted the carrier permission, and the value **false** indicates the opposite.|
 
 **Example**
 
@@ -184,7 +184,7 @@ Obtains the ISO country code of the SIM card in the specified slot. This API use
 | Name  | Type                   | Mandatory| Description                                    |
 | -------- | ----------------------- | ---- | ---------------------------------------- |
 | slotId   | number                  | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2  |
-| callback | AsyncCallback\<string\> | Yes  | Callback used to return the result, which is an ISO country code, for example, **CN** (China).|
+| callback | AsyncCallback\<string\> | Yes  | Callback used to return the result. which is an ISO country code, for example, **CN** (China).|
 
 **Example**
 
@@ -467,7 +467,7 @@ Checks whether the SIM card in the specified slot is installed. This API uses an
 
 **Example**
 
-```jsjs
+```js
 sim.hasSimCard(0, (err, data) => {
     console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
 });
@@ -522,7 +522,7 @@ This is a system API.
 | Name  | Type                                               | Mandatory| Description                                  |
 | -------- | --------------------------------------------------- | ---- | -------------------------------------- |
 | slotId   | number                                              | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
-| callback | AsyncCallback\<[IccAccountInfo](#IccAccountInfo7)\> | Yes  | Callback used to return the result. |
+| callback | AsyncCallback\<[IccAccountInfo](#iccaccountinfo7)\> | Yes  | Callback used to return the result.                            |
 
 **Example**
 
@@ -555,7 +555,7 @@ This is a system API.
 
 | Type                                        | Description                                      |
 | -------------------------------------------- | ------------------------------------------ |
-| Promise<[IccAccountInfo](#IccAccountInfo7)\> | Promise used to return the result.|
+| Promise<[IccAccountInfo](#iccaccountinfo7)\> | Promise used to return the result.|
 
 **Example**
 
@@ -584,7 +584,7 @@ This is a system API.
 
 | Name  | Type                                                       | Mandatory| Description      |
 | -------- | ----------------------------------------------------------- | ---- | ---------- |
-| callback | AsyncCallback\<Array<[IccAccountInfo](#IccAccountInfo7)\>\> | Yes  | Callback used to return the result.|
+| callback | AsyncCallback\<Array<[IccAccountInfo](#iccaccountinfo7)\>\> | Yes  | Callback used to return the result.|
 
 **Example**
 
@@ -611,7 +611,7 @@ This is a system API.
 
 | Type                                                | Description                                          |
 | ---------------------------------------------------- | ---------------------------------------------- |
-| Promise<Array<[IccAccountInfo](#IccAccountInfo7)\>\> | Promise used to return the result.|
+| Promise<Array<[IccAccountInfo](#iccaccountinfo7)\>\> | Promise used to return the result.|
 
 **Example**
 
@@ -646,7 +646,7 @@ This is a system API.
 **Example**
 
 ```js
-sim.setDefaultVoiceSlotId(0,(err, data) => {
+sim.setDefaultVoiceSlotId(0, (err, data) => {
     console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
 });
 ```
@@ -672,9 +672,9 @@ This is a system API.
 
 **Return value**
 
-| Type          | Description                           |
-| -------------- | ------------------------------- |
-| Promise\<void\> | Promise used to return the result. |
+| Type           | Description                           |
+| --------------- | ------------------------------- |
+| Promise\<void\> | Promise used to return the result.|
 
 **Example**
 
@@ -711,7 +711,7 @@ This is a system API.
 
 ```js
 const name='China Mobile';
-sim.setShowName(0, name,(err, data) => {
+sim.setShowName(0, name, (err, data) => {
     console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
 });
 ```
@@ -737,15 +737,15 @@ This is a system API.
 
 **Return value**
 
-| Type          | Description                           |
-| -------------- | ------------------------------- |
-| Promise\<void\> | Promise used to return the result. |
+| Type           | Description                           |
+| --------------- | ------------------------------- |
+| Promise\<void\> | Promise used to return the result.|
 
 **Example**
 
 ```js
 const name='China Mobile';
-let promise = sim.setShowName(0,name);
+let promise = sim.setShowName(0, name);
 promise.then(data => {
     console.log(`setShowName success, promise: data->${JSON.stringify(data)}`);
 }).catch(err => {
@@ -839,8 +839,8 @@ This is a system API.
 **Example**
 
 ```js
-let number='+861xxxxxxxxxx';
-sim.setShowNumber(0, number,(err, data) => {
+let number = '+861xxxxxxxxxx';
+sim.setShowNumber(0, number, (err, data) => {
     console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
 });
 ```
@@ -869,13 +869,13 @@ This is a system API.
 
 | Type          | Description                           |
 | -------------- | ------------------------------- |
-| Promise\<void\> | Promise used to return the result.      |
+| Promise<void\> | Promise used to return the result.|
 
 **Example**
 
 ```js
-let number='+861xxxxxxxxxx';
-let promise = sim.setShowNumber(0,number);
+let number = '+861xxxxxxxxxx';
+let promise = sim.setShowNumber(0, number);
 promise.then(data => {
     console.log(`setShowNumber success, promise: data->${JSON.stringify(data)}`);
 }).catch(err => {
@@ -994,9 +994,9 @@ This is a system API.
 
 **Return value**
 
-| Type          | Description                           |
-| -------------- | ------------------------------- |
-| Promise\<void\> | Promise used to return the result. |
+| Type           | Description                           |
+| --------------- | ------------------------------- |
+| Promise\<void\> | Promise used to return the result.|
 
 **Example**
 
@@ -1057,8 +1057,8 @@ This is a system API.
 
 **Return value**
 
-| Type          | Description                           |
-| -------------- | ------------------------------- |
+| Type           | Description                           |
+| --------------- | ------------------------------- |
 | Promise\<void\> | Promise used to return the result.|
 
 **Example**
@@ -1089,16 +1089,18 @@ This is a system API.
 | Name  | Type                                                       | Mandatory| Description                                                        |
 | -------- | ----------------------------------------------------------- | ---- | ------------------------------------------------------------ |
 | slotId   | number                                                      | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2                      |
-| callback | AsyncCallback\<[LockStatusResponse](#LockStatusResponse7)\> | Yes  | Callback used to return the result.                                                  |
-| options  | [LockInfo](#LockInfo8)                                      | Yes  | Lock information.<br>- **lockType**: [LockType](#LockType8)<br>- **password**: string<br>- **state**: [LockState](#LockState8) |
+| callback | AsyncCallback\<[LockStatusResponse](#lockstatusresponse7)\> | Yes  | Callback used to return the result.                                                  |
+| options  | [LockInfo](#lockinfo8)                                      | Yes  | Lock information.<br>lockType: [LockType](#locktype8)<br>password: string<br>state: [LockState](#lockstate8) |
 
 **Example**
 
 ```js
-LockInfo.lockType = 1;
-LockInfo.password = "1234";
-LockInfo.state = 0;
-sim.setLockState(0, LockInfo, (err, data) => {
+let lockInfo = {
+    lockType = 1,
+    password = "1234",
+    state = 0
+};
+sim.setLockState(0, lockInfo, (err, data) => {
     console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
 });
 ```
@@ -1121,21 +1123,23 @@ This is a system API.
 | Name | Type                  | Mandatory| Description                                                        |
 | ------- | ---------------------- | ---- | ------------------------------------------------------------ |
 | slotId  | number                 | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2                      |
-| options | [LockInfo](#LockInfo8) | Yes  | Lock information.<br>- **lockType**: [LockType](#LockType8)<br>**password**: string<br>**state**: [LockState](#LockState8) |
+| options | [LockInfo](#lockinfo8) | Yes  | Lock information.<br>lockType: [LockType](#locktype8)<br>password: string<br>state: [LockState](#lockstate8) |
 
 **Return value**
 
 | Type                                                | Description                                        |
 | ---------------------------------------------------- | -------------------------------------------- |
-| Promise<[LockStatusResponse](#LockStatusResponse7)\> | Promise used to return the result.|
+| Promise<[LockStatusResponse](#lockstatusresponse7)\> | Promise used to return the result.|
 
 **Example**
 
 ```js
-LockInfo.lockType = 1;
-LockInfo.password = "1234";
-LockInfo.state = 0;
-let promise = sim.setLockState(0, LockInfo);
+let lockInfo = {
+    lockType = 1,
+    password = "1234",
+    state = 0
+};
+let promise = sim.setLockState(0, lockInfo);
 promise.then(data => {
     console.log(`setLockState success, promise: data->${JSON.stringify(data)}`);
 }).catch(err => {
@@ -1158,8 +1162,8 @@ This is a system API.
 | Name  | Type                                     | Mandatory| Description                                   |
 | -------- | ----------------------------------------- | ---- | --------------------------------------- |
 | slotId   | number                                    | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2 |
-| callback | AsyncCallback\<[LockState](#LockState8)\> | Yes  | Callback used to return the result.                             |
-| options  | [LockType](#LockType8)                    | Yes  | Lock type.<br>- **1**: PIN lock<br>- **2**: PIN2 lock|
+| callback | AsyncCallback\<[LockState](#lockstate8)\> | Yes  | Callback used to return the result.                             |
+| options  | [LockType](#locktype8)                    | Yes  | Lock type.<br>- **1**: PIN lock<br>- **2**: PIN 2 lock|
 
 **Example**
 
@@ -1185,13 +1189,13 @@ This is a system API.
 | Name | Type                  | Mandatory| Description                                   |
 | ------- | ---------------------- | ---- | --------------------------------------- |
 | slotId  | number                 | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2 |
-| options | [LockType](#LockType8) | Yes  | Lock type.<br>- **1**: PIN lock<br>- **2**: PIN2 lock|
+| options | [LockType](#locktype8) | Yes  | Lock type.<br>- **1**: PIN lock<br>- **2**: PIN 2 lock|
 
 **Return value**
 
 | Type                              | Description                                        |
 | ---------------------------------- | -------------------------------------------- |
-| Promise<[LockState](#LockState8)\> | Promise used to return the result.|
+| Promise<[LockState](#lockstate8)\> | Promise used to return the result.|
 
 **Example**
 
@@ -1208,7 +1212,7 @@ promise.then(data => {
 
 alterPin(slotId: number, newPin: string, oldPin: string, callback: AsyncCallback<LockStatusResponse\>): void
 
-Changes the PIN. This API uses an asynchronous callback to return the result.
+Changes the PIN of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
 
 This is a system API.
 
@@ -1221,14 +1225,14 @@ This is a system API.
 | Name  | Type                                                       | Mandatory| Description                                  |
 | -------- | ----------------------------------------------------------- | ---- | -------------------------------------- |
 | slotId   | number                                                      | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
-| callback | AsyncCallback\<[LockStatusResponse](#LockStatusResponse7)\> | Yes  | Callback used to return the result.                            |
+| callback | AsyncCallback\<[LockStatusResponse](#lockstatusresponse7)\> | Yes  | Callback used to return the result.                            |
 | newPin   | string                                                      | Yes  | New PIN.                              |
 | oldPin   | string                                                      | Yes  | Old PIN.                              |
 
 **Example**
 
 ```js
-sim.alterPin(0, "1234", "0000"(err, data) => {
+sim.alterPin(0, "1234", "0000", (err, data) => {
     console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
 });
 ```
@@ -1238,7 +1242,7 @@ sim.alterPin(0, "1234", "0000"(err, data) => {
 
 alterPin(slotId: number, newPin: string, oldPin: string): Promise<LockStatusResponse\>;
 
-Changes the PIN. This API uses a promise to return the result.
+Changes the PIN of the SIM card in the specified slot. This API uses a promise to return the result.
 
 This is a system API.
 
@@ -1258,7 +1262,7 @@ This is a system API.
 
 | Type                                                | Description                                         |
 | ---------------------------------------------------- | --------------------------------------------- |
-| Promise<[LockStatusResponse](#LockStatusResponse7)\> | Promise used to return the result.|
+| Promise<[LockStatusResponse](#lockstatusresponse7)\> | Promise used to return the result.|
 
 **Example**
 
@@ -1275,7 +1279,7 @@ promise.then(data => {
 
 alterPin2(slotId: number, newPin2: string, oldPin2: string, callback: AsyncCallback<LockStatusResponse\>): void
 
-Changes PIN 2. This API uses an asynchronous callback to return the result.
+Changes PIN 2 of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
 
 This is a system API.
 
@@ -1288,7 +1292,7 @@ This is a system API.
 | Name  | Type                                                       | Mandatory| Description                                  |
 | -------- | ----------------------------------------------------------- | ---- | -------------------------------------- |
 | slotId   | number                                                      | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
-| callback | AsyncCallback\<[LockStatusResponse](#LockStatusResponse7)\> | Yes  | Callback used to return the result.                            |
+| callback | AsyncCallback\<[LockStatusResponse](#lockstatusresponse7)\> | Yes  | Callback used to return the result.                            |
 | newPin2  | string                                                      | Yes  | New PIN.                              |
 | oldPin2  | string                                                      | Yes  | Old PIN.                              |
 
@@ -1305,7 +1309,7 @@ sim.alterPin2(0, "1234", "0000", (err, data) => {
 
 alterPin2(slotId: number, newPin2: string, oldPin2: string): Promise<LockStatusResponse\>
 
-Changes PIN 2. This API uses a promise to return the result.
+Changes PIN 2 of the SIM card in the specified slot. This API uses a promise to return the result.
 
 This is a system API.
 
@@ -1325,12 +1329,12 @@ This is a system API.
 
 | Type                                                | Description                                         |
 | ---------------------------------------------------- | --------------------------------------------- |
-| Promise<[LockStatusResponse](#LockStatusResponse7)\> | Promise used to return the result.|
+| Promise<[LockStatusResponse](#lockstatusresponse7)\> | Promise used to return the result.|
 
 **Example**
 
 ```js
-let promise = sim.alterPin2(0, "1234","0000");
+let promise = sim.alterPin2(0, "1234", "0000");
 promise.then(data => {
     console.log(`alterPin2 success, promise: data->${JSON.stringify(data)}`);
 }).catch(err => {
@@ -1342,7 +1346,7 @@ promise.then(data => {
 
 unlockPin(slotId: number,pin: string ,callback: AsyncCallback<LockStatusResponse\>): void
 
-Unlocks the PIN of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+Unlocks PIN of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
 
 This is a system API.
 
@@ -1356,13 +1360,13 @@ This is a system API.
 | -------- | ------------------------------------------------------------ | ---- | -------------------------------------- |
 | slotId   | number                                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
 | pin      | string                                                       | Yes  | PIN of the SIM card.                           |
-| callback | AsyncCallback&lt;[LockStatusResponse](#LockStatusResponse7)> | Yes  | Callback used to return the result.                            |
+| callback | AsyncCallback&lt;[LockStatusResponse](#lockstatusresponse7)> | Yes  | Callback used to return the result.                            |
 
 **Example**
 
 ```js
-let pin='1234';
-sim.unlockPin(0, pin,(err, data) => {
+let pin = '1234';
+sim.unlockPin(0, pin, (err, data) => {
     console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
 });
 ```
@@ -1391,13 +1395,13 @@ This is a system API.
 
 | Type                                                | Description                                              |
 | ---------------------------------------------------- | -------------------------------------------------- |
-| Promise\<[LockStatusResponse](#LockStatusResponse)\> | Promise used to return the result.|
+| Promise\<[LockStatusResponse](#lockstatusresponse7)\> | Promise used to return the result.|
 
 **Example**
 
 ```js
-let pin='1234';
-let promise = sim.unlockPin(0,pin);
+let pin = '1234';
+let promise = sim.unlockPin(0, pin);
 promise.then(data => {
     console.log(`unlockPin success, promise: data->${JSON.stringify(data)}`);
 }).catch(err => {
@@ -1424,14 +1428,14 @@ This is a system API.
 | slotId   | number                                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
 | newPin   | string                                                       | Yes  | New PIN.                       |
 | puk      | string                                                       | Yes  | PUK of the SIM card.                   |
-| callback | AsyncCallback&lt;[LockStatusResponse](#LockStatusResponse7)&gt; | Yes  | Callback used to return the result.                            |
+| callback | AsyncCallback&lt;[LockStatusResponse](#lockstatusresponse7)&gt; | Yes  | Callback used to return the result.                            |
 
 **Example**
 
 ```js
-let puk='1xxxxxxx';
-let newPin='1235';
-sim.unlockPuk(0, newPin,puk,(err, data) => {
+let puk = '1xxxxxxx';
+let newPin = '1235';
+sim.unlockPuk(0, newPin, puk, (err, data) => {
     console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
 });
 ```
@@ -1461,14 +1465,14 @@ This is a system API.
 
 | Type                                                | Description                                              |
 | ---------------------------------------------------- | -------------------------------------------------- |
-| Promise\<[LockStatusResponse](#LockStatusResponse)\> | Promise used to return the result.|
+| Promise\<[LockStatusResponse](#lockstatusresponse7)\> | Promise used to return the result.|
 
 **Example**
 
 ```js
-let puk='1xxxxxxx';
-let newPin='1235';
-let promise = sim.unlockPuk(0,newPin,puk);
+let puk = '1xxxxxxx';
+let newPin = '1235';
+let promise = sim.unlockPuk(0, newPin, puk);
 promise.then(data => {
     console.log(`unlockPuk success, promise: data->${JSON.stringify(data)}`);
 }).catch(err => {
@@ -1493,14 +1497,14 @@ This is a system API.
 | Name  | Type                                                        | Mandatory| Description                                  |
 | -------- | ------------------------------------------------------------ | ---- | -------------------------------------- |
 | slotId   | number                                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
-| pin2     | string                                                       | Yes  | PIN of the SIM card.                           |
-| callback | AsyncCallback&lt;[LockStatusResponse](#LockStatusResponse7)&gt; | Yes  | Callback used to return the result.                            |
+| pin2     | string                                                       | Yes  | PIN 2 of the SIM card.                           |
+| callback | AsyncCallback&lt;[LockStatusResponse](#lockstatusresponse7)&gt; | Yes  | Callback used to return the result.                            |
 
 **Example**
 
 ```js
-let pin2='1234';
-sim.unlockPin2(0, pin2,(err, data) => {
+let pin2 = '1234';
+sim.unlockPin2(0, pin2, (err, data) => {
     console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
 });
 ```
@@ -1523,13 +1527,13 @@ This is a system API.
 | Name| Type  | Mandatory| Description                                  |
 | ------ | ------ | ---- | -------------------------------------- |
 | slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
-| pin2   | string | Yes  | PIN of the SIM card.                           |
+| pin2   | string | Yes  | PIN 2 of the SIM card.                           |
 
 **Return value**
 
 | Type                                                 | Description                                              |
 | ----------------------------------------------------- | -------------------------------------------------- |
-| Promise\<[LockStatusResponse](#LockStatusResponse7)\> | Promise used to return the result.|
+| Promise\<[LockStatusResponse](#lockstatusresponse7)\> | Promise used to return the result.|
 
 **Example**
 
@@ -1560,16 +1564,16 @@ This is a system API.
 | Name  | Type                                                        | Mandatory| Description                                  |
 | -------- | ------------------------------------------------------------ | ---- | -------------------------------------- |
 | slotId   | number                                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
-| newPin2  | string                                                       | Yes  | New PIN.                       |
-| puk2     | string                                                       | Yes  | PUK of the SIM card.                   |
-| callback | AsyncCallback&lt;[LockStatusResponse](#LockStatusResponse7)&gt; | Yes  | Callback used to return the result.                            |
+| newPin2  | string                                                       | Yes  | New PIN 2.                       |
+| puk2     | string                                                       | Yes  | PUK 2 of the SIM card.                   |
+| callback | AsyncCallback&lt;[LockStatusResponse](#lockstatusresponse7)&gt; | Yes  | Callback used to return the result.                            |
 
 **Example**
 
 ```js
-let puk2='1xxxxxxx';
-let newPin2='1235';
-sim.unlockPuk2(0, newPin2,puk2,(err, data) => {
+let puk2 = '1xxxxxxx';
+let newPin2 = '1235';
+sim.unlockPuk2(0, newPin2, puk2, (err, data) => {
     console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
 });
 ```
@@ -1592,21 +1596,21 @@ This is a system API.
 | Name | Type  | Mandatory| Description                                  |
 | ------- | ------ | ---- | -------------------------------------- |
 | slotId  | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
-| newPin2 | string | Yes  | New PIN.                       |
-| puk2    | string | Yes  | PUK of the SIM card.                   |
+| newPin2 | string | Yes  | New PIN 2.                       |
+| puk2    | string | Yes  | PUK 2 of the SIM card.                   |
 
 **Return value**
 
 | Type                                                | Description                                              |
 | ---------------------------------------------------- | -------------------------------------------------- |
-| Promise\<[LockStatusResponse](#LockStatusResponse)\> | Promise used to return the result.|
+| Promise\<[LockStatusResponse](#lockstatusresponse7)\> | Promise used to return the result.|
 
 **Example**
 
 ```js
-let puk2='1xxxxxxx';
-let newPin2='1235';
-let promise = sim.unlockPuk2(0,newPin2,puk2);
+let puk2 = '1xxxxxxx';
+let newPin2 = '1235';
+let promise = sim.unlockPuk2(0, newPin2, puk2);
 promise.then(data => {
     console.log(`unlockPuk2 success, promise: data->${JSON.stringify(data)}`);
 }).catch(err => {
@@ -1634,142 +1638,1313 @@ Obtains the number of card slots.
 console.log("Result: "+ sim.getMaxSimCount())
 ```
 
+## sim.getSimIccId<sup>7+</sup>
 
-## SimState
+getSimIccId(slotId: number, callback: AsyncCallback<string\>): void
 
-Enumerates SIM card states.
+Obtains the IC card identity (ICCID) of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
 
 **System capability**: SystemCapability.Telephony.CoreService
 
-| Name                 | Value  | Description                                                      |
-| --------------------- | ---- | ---------------------------------------------------------- |
-| SIM_STATE_UNKNOWN     | 0    | The SIM card is in **unknown** state; that is, the SIM card status cannot be obtained.                     |
-| SIM_STATE_NOT_PRESENT | 1    | The SIM card is in **not present** state; that is, no SIM card is inserted into the card slot.     |
-| SIM_STATE_LOCKED      | 2    | The SIM card is in **locked** state; that is, the SIM card is locked by the personal identification number (PIN), PIN unblocking key (PUK), or network.  |
-| SIM_STATE_NOT_READY   | 3    | The SIM card is in **not ready** state; that is, the SIM card has been installed but cannot work properly.   |
-| SIM_STATE_READY       | 4    | The SIM card is in **ready** state; that is, the SIM card has been installed and is working properly.           |
-| SIM_STATE_LOADED      | 5    | The SIM card is in **loaded** state; that is, the SIM card is present and all its files have been loaded.|
+**Parameters**
 
-## CardType<sup>7+</sup>
+| Name  | Type                  | Mandatory| Description                                  |
+| -------- | ---------------------- | ---- | -------------------------------------- |
+| slotId   | number                 | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback<string\> | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+sim.getSimIccId(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.getSimIccId<sup>7+</sup>
+
+getSimIccId(slotId: number): Promise<string\>
+
+Obtains the ICCID of the SIM card in the specified slot. This API uses a promise to return the result.
 
-Enumerates card types.
+This is a system API.
+
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
 
 **System capability**: SystemCapability.Telephony.CoreService
 
-| Name| Value| Description|
-| ----- | ----- | ----- |
-|UNKNOWN_CARD | -1 | Unknown|
-|SINGLE_MODE_SIM_CARD | 10 | Single-card (SIM)|
-|SINGLE_MODE_USIM_CARD | 20 | Single-card (USIM)|
-|SINGLE_MODE_RUIM_CARD | 30 | Single-card (RUIM)|
-|DUAL_MODE_CG_CARD | 40 | Dual-card (CDMA+GSM)|
-|CT_NATIONAL_ROAMING_CARD | 41 | China Telecom internal roaming card|
-|CU_DUAL_MODE_CARD | 42 | China Unicom dual-mode card|
-|DUAL_MODE_TELECOM_LTE_CARD | 43 | China Telecom dual-mode LTE card|
-|DUAL_MODE_UG_CARD | 50 | Dual-mode card (UMTS+GSM)|
-|SINGLE_MODE_ISIM_CARD<sup>8+</sup> | 60 | Single-card (ISIM)|
+**Parameters**
 
-## LockType<sup>8+</sup>
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
 
-Enumerates lock types.
+**Return value**
+
+| Type            | Description                                       |
+| ---------------- | ------------------------------------------- |
+| Promise<string\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sim.getSimIccId(0);
+promise.then(data => {
+    console.log(`getSimIccId success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`getSimIccId fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.getVoiceMailIdentifier<sup>8+</sup>
+
+getVoiceMailIdentifier(slotId: number, callback: AsyncCallback<string\>): void
+
+Obtains the voice mailbox alpha identifier of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
 
 This is a system API.
 
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
 **System capability**: SystemCapability.Telephony.CoreService
 
-| Name    | Value  | Description       |
-| -------- | ---- | ----------- |
-| PIN_LOCK | 1    | SIM card password lock|
-| FDN_LOCK | 2    | Fixed dialing lock |
+**Parameters**
 
-## LockState<sup>8+</sup>
+| Name  | Type                  | Mandatory| Description                                  |
+| -------- | ---------------------- | ---- | -------------------------------------- |
+| slotId   | number                 | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback<string\> | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+sim.getVoiceMailIdentifier(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
 
-Enumerates lock states.
+
+## sim.getVoiceMailIdentifier<sup>8+</sup>
+
+getVoiceMailIdentifier(slotId: number): Promise<string\>
+
+Obtains the voice mailbox alpha identifier of the SIM card in the specified slot. This API uses a promise to return the result.
 
 This is a system API.
 
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
 **System capability**: SystemCapability.Telephony.CoreService
 
-| Name    | Value  | Description      |
-| -------- | ---- | ---------- |
-| LOCK_OFF | 0    | The lock is off.|
-| LOCK_ON  | 1    | The lock is on.|
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
 
-## **PersoLockType**<sup>8+</sup>
+**Return value**
 
-Enumerates personalized lock types.
+| Type            | Description                                             |
+| ---------------- | ------------------------------------------------- |
+| Promise<string\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sim.getVoiceMailIdentifier(0);
+promise.then(data => {
+    console.log(`getVoiceMailIdentifier success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`getVoiceMailIdentifier fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.getVoiceMailNumber<sup>8+</sup>
+
+getVoiceMailNumber(slotId: number, callback: AsyncCallback<string\>): void
+
+Obtains the voice mailbox number of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
 
 This is a system API.
 
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
 **System capability**: SystemCapability.Telephony.CoreService
 
-| Name        | Value  | Description                                           |
-| ------------ | ---- | ----------------------------------------------- |
-| PN_PIN_LOCK  | 0    | Personalized network PIN lock. For details, see *3GPP TS 22.022 [33]*.      |
-| PN_PUK_LOCK  | 1    | Personalized network PUK lock.                                  |
-| PU_PIN_LOCK  | 2    | Personalized network subset PIN lock. For details, see *3GPP TS 22.022 [33]*.  |
-| PU_PUK_LOCK  | 3    | Personalized network subset PUK lock.                              |
-| PP_PIN_LOCK  | 4    | Personalized service provider PIN lock. For details, see *3GPP TS 22.022 [33]*.|
-| PP_PUK_LOCK  | 5    | Personalized service provider PUK lock.                             |
-| PC_PIN_LOCK  | 6    | Personalized corporate PIN lock. For details, see *3GPP TS 22.022 [33]*.      |
-| PC_PUK_LOCK  | 7    | Personalized corporate PUK lock.                                   |
-| SIM_PIN_LOCK | 8    | Personalized SIM card PIN lock. For details, see *3GPP TS 22.022 [33]*.     |
-| SIM_PUK_LOCK | 9    | Personalized SIM card PUK lock.                                  |
+**Parameters**
 
-## **LockStatusResponse**<sup>7+</sup>
+| Name  | Type                  | Mandatory| Description                                  |
+| -------- | ---------------------- | ---- | -------------------------------------- |
+| slotId   | number                 | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback<string\> | Yes  | Callback used to return the result.                            |
 
-Defines the lock status response.
+**Example**
+
+```js
+sim.getVoiceMailNumber(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.getVoiceMailNumber<sup>8+</sup>
+
+getVoiceMailNumber(slotId: number): Promise<string\>
+
+Obtains the voice mailbox number of the SIM card in the specified slot. This API uses a promise to return the result.
 
 This is a system API.
 
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
 **System capability**: SystemCapability.Telephony.CoreService
 
-| Name           | Type  | Description              |
-| --------------- | ------ | ------------------ |
-| result          | number | Operation result.    |
-| remain?: number | number | Remaining attempts (can be null).|
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type            | Description                                            |
+| ---------------- | ------------------------------------------------ |
+| Promise<string\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sim.getVoiceMailNumber(0);
+promise.then(data => {
+    console.log(`getVoiceMailNumber success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`getVoiceMailNumber fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.setVoiceMailInfo<sup>8+</sup>
 
-## **LockInfo**<sup>8+</sup>
+setVoiceMailInfo(slotId: number, mailName: string, mailNumber: string, callback: AsyncCallback<void\>): void
 
-Defines the personalized lock status response.
+Sets voice mailbox information for the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
 
 This is a system API.
 
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
 **System capability**: SystemCapability.Telephony.CoreService
 
-| Name    | Type     | Description  |
-| -------- | --------- | ------ |
-| lockType | LockType  | Lock type.|
-| password | string    | Password.  |
-| state    | LockState | Lock state.|
+**Parameters**
 
-## **PersoLockInfo**<sup>8+</sup>
+| Name    | Type                | Mandatory| Description                                  |
+| ---------- | -------------------- | ---- | -------------------------------------- |
+| slotId     | number               | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| mailName   | string               | Yes  | Voice mailbox name.                              |
+| mailNumber | string               | Yes  | Voice mailbox number.                              |
+| callback   | AsyncCallback<void\> | Yes  | Callback used to return the result.                            |
 
-Defines the personalized lock information.
+**Example**
+
+```js
+sim.setVoiceMailInfo(0, "mail", "xxx@xxx.com" , (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.setVoiceMailInfo<sup>8+</sup>
+
+setVoiceMailInfo(slotId: number, mailName: string, mailNumber: string): Promise<void\>
+
+Sets voice mailbox information for the SIM card in the specified slot. This API uses a promise to return the result.
 
 This is a system API.
 
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
 **System capability**: SystemCapability.Telephony.CoreService
 
-| Name    | Type         | Description        |
-| -------- | ------------- | ------------ |
-| lockType | PersoLockType | Personalized lock type.|
-| password | string        | Password.        |
+**Parameters**
 
-## **IccAccountInfo**<sup>7+</sup>
+| Name    | Type  | Mandatory| Description                                  |
+| ---------- | ------ | ---- | -------------------------------------- |
+| slotId     | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| mailName   | string | Yes  | Voice mailbox name.                              |
+| mailNumber | string | Yes  | Voice mailbox number.                              |
 
-Defines the ICC account information.
+**Return value**
+
+| Type          | Description                   |
+| -------------- | ----------------------- |
+| Promise<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sim.setVoiceMailInfo(0, "mail", "xxx@xxx.com");
+promise.then(data => {
+    console.log(`setVoiceMailInfo success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`setVoiceMailInfo fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.getSimTelephoneNumber<sup>8+</sup>
+
+getSimTelephoneNumber(slotId: number, callback: AsyncCallback<string\>): void
+
+Obtains the mobile subscriber ISDN number (MSISDN) of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
 
 This is a system API.
 
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
 **System capability**: SystemCapability.Telephony.CoreService
 
-| Name      | Type   | Description            |
-| ---------- | ------- | ---------------- |
-| simId      | number  | SIM card ID.         |
-| slotIndex  | number  | Card slot ID.          |
-| isEsim     | boolean | Whether the SIM card is an eSim card.|
-| isActive   | boolean | Whether the card is activated.    |
-| iccId      | string  | ICCID number.       |
-| showName   | string  | SIM card display name.   |
-| showNumber | string  | SIM card display number.   |
+**Parameters**
+
+| Name  | Type                  | Mandatory| Description                                  |
+| -------- | ---------------------- | ---- | -------------------------------------- |
+| slotId   | number                 | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback<string\> | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+sim.getSimTelephoneNumber(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.getSimTelephoneNumber<sup>8+</sup>
+
+getSimTelephoneNumber(slotId: number): Promise<string\>
+
+Obtains the MSISDN of the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type            | Description                                        |
+| ---------------- | -------------------------------------------- |
+| Promise<string\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sim.getSimTelephoneNumber(0);
+promise.then(data => {
+    console.log(`getSimTelephoneNumber success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`getSimTelephoneNumber fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.getSimGid1<sup>7+</sup>
+
+getSimGid1(slotId: number, callback: AsyncCallback<string\>): void
+
+Obtains the group identifier level 1 (GID1) of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                   | Mandatory| Description                                  |
+| -------- | ----------------------- | ---- | -------------------------------------- |
+| slotId   | number                  | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback\<string\> | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+sim.getSimGid1(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.getSimGid1<sup>7+</sup>
+
+getSimGid1(slotId: number): Promise<string\>
+
+Obtains the GID1 of the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type            | Description                                             |
+| ---------------- | ------------------------------------------------- |
+| Promise<string\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sim.getSimGid1(0);
+promise.then(data => {
+    console.log(`getSimGid1 success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`getSimGid1 fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.getIMSI
+
+getIMSI(slotId: number, callback: AsyncCallback<string\>): void
+
+Obtains the international mobile subscriber identity (IMSI) of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                   | Mandatory| Description                                  |
+| -------- | ----------------------- | ---- | -------------------------------------- |
+| slotId   | number                  | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback\<string\> | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+sim.getIMSI(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.getIMSI
+
+getIMSI(slotId: number): Promise<string\>
+
+Obtains the IMSI of the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type            | Description                                       |
+| ---------------- | ------------------------------------------- |
+| Promise<string\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sim.getIMSI(0);
+promise.then(data => {
+    console.log(`getIMSI success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`getIMSI fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.getOperatorConfigs<sup>8+</sup>
+
+getOperatorConfigs(slotId: number, callback: AsyncCallback<Array<OperatorConfig\>>): void
+
+Obtains the carrier configuration of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                                                     | Mandatory| Description                                  |
+| -------- | --------------------------------------------------------- | ---- | -------------------------------------- |
+| slotId   | number                                                    | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback<Array<[OperatorConfig](#operatorconfig8)\>> | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+sim.getOperatorConfigs(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.getOperatorConfigs<sup>8+</sup>
+
+getOperatorConfigs(slotId: number): Promise<Array<OperatorConfig\>>
+
+Obtains the carrier configuration of the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.GET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type                                               | Description                         |
+| --------------------------------------------------- | ----------------------------- |
+| Promise<Array<[OperatorConfig](#operatorconfig8)\>> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sim.getOperatorConfigs(0);
+promise.then(data => {
+    console.log(`getOperatorConfigs success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`getOperatorConfigs fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.queryIccDiallingNumbers<sup>8+</sup>
+
+queryIccDiallingNumbers(slotId: number, type: ContactType, callback: AsyncCallback<Array<DiallingNumbersInfo\>>): void
+
+Queries contact numbers of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Permission required**: ohos.permission.READ_CONTACTS
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                                                        | Mandatory| Description                                                      |
+| -------- | ------------------------------------------------------------ | ---- | ---------------------------------------------------------- |
+| slotId   | number                                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2                    |
+| type     | [ContactType](#contacttype8)                                                  | Yes  | Contact type.<br>1 : GENERAL_CONTACT<br>2 : FIXED_DIALING |
+| callback | AsyncCallback<Array<[DiallingNumbersInfo](#diallingnumbersinfo8)\>> | Yes  | Callback used to return the result.                                                |
+
+**Example**
+
+```js
+sim.queryIccDiallingNumbers(0, 1, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.queryIccDiallingNumbers<sup>8+</sup>
+
+queryIccDiallingNumbers(slotId: number, type: ContactType): Promise<Array<DiallingNumbersInfo\>>
+
+Queries contact numbers of the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**Permission required**: ohos.permission.READ_CONTACTS
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type       | Mandatory| Description                                                      |
+| ------ | ----------- | ---- | ---------------------------------------------------------- |
+| slotId | number      | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2                    |
+| type   | [ContactType](#contacttype8)  | Yes  | Contact type.<br>1 : GENERAL_CONTACT<br>2 : FIXED_DIALING |
+
+**Return value**
+
+| Type                                                        | Description                          |
+| ------------------------------------------------------------ | ------------------------------ |
+| Promise<Array<[DiallingNumbersInfo](#diallingnumbersinfo8)\>> |  Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sim.queryIccDiallingNumbers(0, 1);
+promise.then(data => {
+    console.log(`queryIccDiallingNumbers success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`queryIccDiallingNumbers fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.addIccDiallingNumbers<sup>8+</sup>
+
+addIccDiallingNumbers(slotId: number, type: ContactType, diallingNumbers: DiallingNumbersInfo, callback: AsyncCallback<void\>): void
+
+Adds contact numbers for the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Permission required**: ohos.permission.WRITE_CONTACTS
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name         | Type                                        | Mandatory| Description                                                      |
+| --------------- | -------------------------------------------- | ---- | ---------------------------------------------------------- |
+| slotId          | number                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2                    |
+| type            | [ContactType](#contacttype8)                 | Yes  | Contact type.<br>**1**: GENERAL_CONTACT<br>**2**: FIXED_DIALING |
+| diallingNumbers | [DiallingNumbersInfo](#diallingnumbersinfo8) | Yes  | Contact number information.                                              |
+| callback        | AsyncCallback<void\>                         | Yes  | Callback used to return the result.                                                  |
+
+**Example**
+
+```js
+let diallingNumbersInof = {
+    alphaTag = "alpha",
+    number = "138xxxxxxxx",
+    recordNumber = 123,
+    pin2 = "1234"
+};
+sim.addIccDiallingNumbers(0, 1, diallingNumbersInof, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.addIccDiallingNumbers<sup>8+</sup>
+
+addIccDiallingNumbers(slotId: number, type: ContactType, diallingNumbers: DiallingNumbersInfo): Promise<void\>
+
+Adds contact numbers for the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**Permission required**: ohos.permission.WRITE_CONTACTS
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name         | Type                                        | Mandatory| Description                                                      |
+| --------------- | -------------------------------------------- | ---- | ---------------------------------------------------------- |
+| slotId          | number                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2                    |
+| type            | [ContactType](#contacttype8)                 | Yes  | Contact type.<br>**1**: GENERAL_CONTACT<br>**2**: FIXED_DIALING |
+| diallingNumbers | [DiallingNumbersInfo](#diallingnumbersinfo8) | Yes  | Contact number information.                                              |
+
+**Return value**
+
+| Type          | Description                       |
+| -------------- | --------------------------- |
+| Promise<void\> |  Promise used to return the result.|
+
+**Example**
+
+```js
+let diallingNumbersInof = {
+    alphaTag = "alpha",
+    number = "138xxxxxxxx",
+    recordNumber = 123,
+    pin2 = "1234"
+};
+let promise = sim.addIccDiallingNumbers(0, 1, diallingNumbersInof);
+promise.then(data => {
+    console.log(`addIccDiallingNumbers success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`addIccDiallingNumbers fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.delIccDiallingNumbers<sup>8+</sup>
+
+delIccDiallingNumbers(slotId: number, type: ContactType, diallingNumbers: DiallingNumbersInfo, callback: AsyncCallback<void\>): void
+
+Deletes contact numbers from the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Permission required**: ohos.permission.WRITE_CONTACTS
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name         | Type                                        | Mandatory| Description                                                      |
+| --------------- | -------------------------------------------- | ---- | ---------------------------------------------------------- |
+| slotId          | number                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2                    |
+| type            | [ContactType](#contacttype8)                 | Yes  | Contact type.<br>**1**: GENERAL_CONTACT<br>**2**: FIXED_DIALING |
+| diallingNumbers | [DiallingNumbersInfo](#diallingnumbersinfo8) | Yes  | Contact number information.                                              |
+| callback        | AsyncCallback<void\>                         | Yes  | Callback used to return the result.                                                  |
+
+**Example**
+
+```js
+let diallingNumbersInof = {
+    alphaTag = "alpha",
+    number = "138xxxxxxxx",
+    recordNumber = 123,
+    pin2 = "1234"
+};
+sim.delIccDiallingNumbers(0, 1, diallingNumbersInof, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.delIccDiallingNumbers<sup>8+</sup>
+
+delIccDiallingNumbers(slotId: number, type: ContactType, diallingNumbers: DiallingNumbersInfo): Promise<void\>
+
+Deletes contact numbers from the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**Permission required**: ohos.permission.WRITE_CONTACTS
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name         | Type                                        | Mandatory| Description                                                      |
+| --------------- | -------------------------------------------- | ---- | ---------------------------------------------------------- |
+| slotId          | number                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2                    |
+| type            | [ContactType](#contacttype8)                 | Yes  | Contact type.<br>**1**: GENERAL_CONTACT<br>**2**: FIXED_DIALING |
+| diallingNumbers | [DiallingNumbersInfo](#diallingnumbersinfo8) | Yes  | Contact number information.                                              |
+
+**Return value**
+
+| Type          | Description                       |
+| -------------- | --------------------------- |
+| Promise<void\> |  Promise used to return the result.|
+
+**Example**
+
+```js
+let diallingNumbersInof = {
+    alphaTag = "alpha",
+    number = "138xxxxxxxx",
+    recordNumber = 123,
+    pin2 = "1234"
+};
+let promise = sim.delIccDiallingNumbers(0, 1, diallingNumbersInof);
+promise.then(data => {
+    console.log(`delIccDiallingNumbers success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`delIccDiallingNumbers fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.updateIccDiallingNumbers<sup>8+</sup>
+
+updateIccDiallingNumbers(slotId: number, type: ContactType, diallingNumbers: DiallingNumbersInfo, callback: AsyncCallback<void\>): void
+
+Updates contact numbers for the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Permission required**: ohos.permission.WRITE_CONTACTS
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name         | Type                                        | Mandatory| Description                                                      |
+| --------------- | -------------------------------------------- | ---- | ---------------------------------------------------------- |
+| slotId          | number                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2                    |
+| type            | [ContactType](#contacttype8)                 | Yes  | Contact type.<br>**1**: GENERAL_CONTACT<br>**2**: FIXED_DIALING |
+| diallingNumbers | [DiallingNumbersInfo](#diallingnumbersinfo8) | Yes  | Contact number information.                                              |
+| callback        | AsyncCallback<void\>                         | Yes  | Callback used to return the result.                                                  |
+
+**Example**
+
+```js
+let diallingNumbersInof = {
+    alphaTag = "alpha",
+    number = "138xxxxxxxx",
+    recordNumber = 123,
+    pin2 = "1234"
+};
+sim.updateIccDiallingNumbers(0, 1, diallingNumbersInof, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.updateIccDiallingNumbers<sup>8+</sup>
+
+updateIccDiallingNumbers(slotId: number, type: ContactType, diallingNumbers: DiallingNumbersInfo): Promise<void\>
+
+Updates contact numbers for the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**Permission required**: ohos.permission.WRITE_CONTACTS
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name         | Type                                        | Mandatory| Description                                                      |
+| --------------- | -------------------------------------------- | ---- | ---------------------------------------------------------- |
+| slotId          | number                                       | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2                    |
+| type            | [ContactType](#contacttype8)                 | Yes  | Contact type.<br>**1**: GENERAL_CONTACT<br>**2**: FIXED_DIALING |
+| diallingNumbers | [DiallingNumbersInfo](#diallingnumbersinfo8) | Yes  | Contact number information.                                              |
+
+**Return value**
+
+| Type          | Description                         |
+| -------------- | ----------------------------- |
+| Promise<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let diallingNumbersInof = {
+    alphaTag = "alpha",
+    number = "138xxxxxxxx",
+    recordNumber = 123,
+    pin2 = "1234"
+};
+let promise = sim.updateIccDiallingNumbers(0, 1, diallingNumbersInof);
+promise.then(data => {
+    console.log(`updateIccDiallingNumbers success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`updateIccDiallingNumbers fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.sendEnvelopeCmd<sup>8+</sup>
+
+sendEnvelopeCmd(slotId: number, cmd: string, callback: AsyncCallback<void\>): void
+
+Sends an envelope command to the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                | Mandatory| Description                                  |
+| -------- | -------------------- | ---- | -------------------------------------- |
+| slotId   | number               | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| cmd      | string               | Yes  | Envelope command.                                  |
+| callback | AsyncCallback<void\> | Yes  | Yes                                    |
+
+**Example**
+
+```js
+sim.sendEnvelopeCmd(0, "ls", (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.sendEnvelopeCmd<sup>8+</sup>
+
+sendEnvelopeCmd(slotId: number, cmd: string): Promise<void\>
+
+Sends an envelope command to the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| cmd    | string | Yes  | Envelope command.                                  |
+
+**Return value**
+
+| Type          | Description                       |
+| -------------- | --------------------------- |
+| Promise<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sim.sendEnvelopeCmd(0, "ls");
+promise.then(data => {
+    console.log(`sendEnvelopeCmd success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`sendEnvelopeCmd fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.sendTerminalResponseCmd<sup>8+</sup>
+
+sendTerminalResponseCmd(slotId: number, cmd: string, callback: AsyncCallback<void\>): void
+
+Sends a terminal response command to the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                | Mandatory| Description                                  |
+| -------- | -------------------- | ---- | -------------------------------------- |
+| slotId   | number               | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| cmd      | string               | Yes  | Command                                  |
+| callback | AsyncCallback<void\> | Yes  | Callback used to return the result.                            |
+
+**Example**
+
+```js
+sim.sendTerminalResponseCmd(0, "ls", (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.sendTerminalResponseCmd<sup>8+</sup>
+
+sendTerminalResponseCmd(slotId: number, cmd: string): Promise<void\>
+
+Sends a terminal response command to the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| cmd    | string | Yes  | Command                                  |
+
+**Return value**
+
+| Type          | Description                       |
+| -------------- | --------------------------- |
+| Promise<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sim.sendTerminalResponseCmd(0, "ls");
+promise.then(data => {
+    console.log(`sendTerminalResponseCmd success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`sendTerminalResponseCmd fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.unlockSimLock<sup>8+</sup>
+
+unlockSimLock(slotId: number, lockInfo: PersoLockInfo, callback: AsyncCallback<LockStatusResponse\>): void
+
+Unlocks the SIM card in the specified slot. This API uses an asynchronous callback to return the result. 
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                                                      | Mandatory| Description                                  |
+| -------- | ---------------------------------------------------------- | ---- | -------------------------------------- |
+| slotId   | number                                                     | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| lockInfo | [PersoLockInfo](#persolockinfo8)                           | Yes  | Personalized lock information.                        |
+| callback | AsyncCallback<[LockStatusResponse](#lockstatusresponse7)\> | Yes  | Callback used to return the result.                              |
+
+**Example**
+
+```js
+let persoLockInfo = {
+    lockType = 0,
+    password = "1234"
+};
+sim.unlockSimLock(0, persoLockInfo, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.unlockSimLock<sup>8+</sup>
+
+unlockSimLock(slotId: number, lockInfo: PersoLockInfo): Promise<LockStatusResponse\>
+
+Unlocks the SIM card in the specified slot. This API uses a promise to return the result. 
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                            | Mandatory| Description                                  |
+| -------- | -------------------------------- | ---- | -------------------------------------- |
+| slotId   | number                           | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| lockInfo | [PersoLockInfo](#persolockinfo8) | Yes  | Personalized lock information.                        |
+
+**Return value**
+
+| Type                                                | Description                     |
+| ---------------------------------------------------- | ------------------------- |
+| Promise<[LockStatusResponse](#lockstatusresponse7)\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let persoLockInfo = {
+    lockType = 0,
+    password = "1234"
+};
+let promise = sim.unlockSimLock(0, persoLockInfo);
+promise.then(data => {
+    console.log(`unlockSimLock success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`unlockSimLock fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.getOpKey<sup>9+</sup>
+
+getOpKey(slotId: number, callback: AsyncCallback<number\>): void
+
+Obtains the opkey of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                  | Mandatory| Description                                  |
+| -------- | ---------------------- | ---- | -------------------------------------- |
+| slotId   | number                 | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback<number\> | Yes  | Callback used to return the result.                              |
+
+**Example**
+
+```js
+sim.getOpKey(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.getOpKey<sup>9+</sup>
+
+getOpKey(slotId: number): Promise<number\>
+
+Obtains the opkey of the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type            | Description                                     |
+| ---------------- | ----------------------------------------- |
+| Promise<number\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sim.getOpKey(0);
+promise.then(data => {
+    console.log(`getOpKey success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`getOpKey fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sim.getOpName<sup>9+</sup>
+
+getOpName(slotId: number, callback: AsyncCallback<string\>): void
+
+Obtains the OpName of the SIM card in the specified slot. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name  | Type                  | Mandatory| Description                                  |
+| -------- | ---------------------- | ---- | -------------------------------------- |
+| slotId   | number                 | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback<string\> | Yes  | Callback used to return the result.                              |
+
+**Example**
+
+```js
+sim.getOpName(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sim.getOpName<sup>9+</sup>
+
+getOpName(slotId: number): Promise<string\>
+
+Obtains the OpName of the SIM card in the specified slot. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                  |
+| ------ | ------ | ---- | -------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type            | Description                                      |
+| ---------------- | ------------------------------------------ |
+| Promise<string\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sim.getOpName(0);
+promise.then(data => {
+    console.log(`getOpName success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.log(`getOpName fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## SimState
+
+Enumerates SIM card states.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name                 | Value  | Description                                                      |
+| --------------------- | ---- | ---------------------------------------------------------- |
+| SIM_STATE_UNKNOWN     | 0    | The SIM card is in **unknown** state; that is, the SIM card status cannot be obtained.                     |
+| SIM_STATE_NOT_PRESENT | 1    | The SIM card is in **not present** state; that is, no SIM card is inserted into the card slot.     |
+| SIM_STATE_LOCKED      | 2    | The SIM card is in **locked** state; that is, the SIM card is locked by the personal identification number (PIN), PIN unblocking key (PUK), or network.  |
+| SIM_STATE_NOT_READY   | 3    | The SIM card is in **not ready** state; that is, the SIM card has been installed but cannot work properly.   |
+| SIM_STATE_READY       | 4    | The SIM card is in **ready** state; that is, the SIM card has been installed and is working properly.           |
+| SIM_STATE_LOADED      | 5    | The SIM card is in **loaded** state; that is, the SIM card is present and all its files have been loaded.|
+
+## CardType<sup>7+</sup>
+
+Enumerates SIM card types.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name| Value| Description|
+| ----- | ----- | ----- |
+|UNKNOWN_CARD | -1 | Unknown|
+|SINGLE_MODE_SIM_CARD | 10 | Single-card (SIM)|
+|SINGLE_MODE_USIM_CARD | 20 | Single-card (USIM)|
+|SINGLE_MODE_RUIM_CARD | 30 | Single-card (RUIM)|
+|DUAL_MODE_CG_CARD | 40 | Dual-card (CDMA+GSM)|
+|CT_NATIONAL_ROAMING_CARD | 41 | China Telecom internal roaming card|
+|CU_DUAL_MODE_CARD | 42 | China Unicom dual-mode card|
+|DUAL_MODE_TELECOM_LTE_CARD | 43 | China Telecom dual-mode LTE card|
+|DUAL_MODE_UG_CARD | 50 | Dual-mode card (UMTS+GSM)|
+|SINGLE_MODE_ISIM_CARD<sup>8+</sup> | 60 | Single-card (ISIM)|
+
+## LockType<sup>8+</sup>
+
+Enumerates lock types.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name    | Value  | Description       |
+| -------- | ---- | ----------- |
+| PIN_LOCK | 1    | SIM card password lock.|
+| FDN_LOCK | 2    | Fixed dialing lock. |
+
+## LockState<sup>8+</sup>
+
+Enumerates lock states.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name    | Value  | Description      |
+| -------- | ---- | ---------- |
+| LOCK_OFF | 0    | The lock is off.|
+| LOCK_ON  | 1    | The lock is on.|
+
+## PersoLockType<sup>8+</sup>
+
+Enumerates personalized lock types.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name        | Value  | Description                                           |
+| ------------ | ---- | ----------------------------------------------- |
+| PN_PIN_LOCK  | 0    | Personalized network PIN lock. For details, see *3GPP TS 22.022 [33]*.      |
+| PN_PUK_LOCK  | 1    | Personalized network PUK lock.                                  |
+| PU_PIN_LOCK  | 2    | Personalized network subset PIN lock. For details, see *3GPP TS 22.022 [33]*.  |
+| PU_PUK_LOCK  | 3    | Personalized network subset PUK lock.                              |
+| PP_PIN_LOCK  | 4    | Personalized service provider PIN lock. For details, see *3GPP TS 22.022 [33]*.|
+| PP_PUK_LOCK  | 5    | Personalized service provider PUK lock.                             |
+| PC_PIN_LOCK  | 6    | Personalized corporate PIN lock. For details, see *3GPP TS 22.022 [33]*.      |
+| PC_PUK_LOCK  | 7    | Personalized corporate PUK lock.                                   |
+| SIM_PIN_LOCK | 8    | Personalized SIM card PIN lock. For details, see *3GPP TS 22.022 [33]*.     |
+| SIM_PUK_LOCK | 9    | Personalized SIM card PUK lock.                                  |
+
+## LockStatusResponse<sup>7+</sup>
+
+Defines the lock status response.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name           | Type  | Description              |
+| --------------- | ------ | ------------------ |
+| result          | number | Operation result.    |
+| remain?: number | number | Remaining attempts (can be null).|
+
+## LockInfo<sup>8+</sup>
+
+Defines the lock information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name    | Type                    | Description  |
+| -------- | ------------------------ | ------ |
+| lockType | [LockType](#locktype8)   | Lock type.|
+| password | string                   | Password.  |
+| state    | [LockState](#lockstate8) | Lock state.|
+
+## PersoLockInfo<sup>8+</sup>
+
+Defines the personalized lock information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name    | Type                            | Description        |
+| -------- | -------------------------------- | ------------ |
+| lockType | [PersoLockType](#persolocktype8) | Personalized lock type.|
+| password | string                           | Password.        |
+
+## IccAccountInfo<sup>7+</sup>
+
+Defines the ICC account information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name      | Type   | Description            |
+| ---------- | ------- | ---------------- |
+| simId      | number  | SIM card ID.         |
+| slotIndex  | number  | Card slot ID.          |
+| isEsim     | boolean | Whether the SIM card is an eSim card.|
+| isActive   | boolean | Whether the card is activated.    |
+| iccId      | string  | ICCID number.       |
+| showName   | string  | SIM card display name.   |
+| showNumber | string  | SIM card display number.   |
+
+## OperatorConfig<sup>8+</sup>
+
+Defines the carrier configuration.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name | Type  | Description|
+| ----- | ------ | ---- |
+| field | string | Field|
+| value | string | Value  |
+
+## DiallingNumbersInfo<sup>8+</sup>
+
+Defines the contact number information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name        | Type  | Description    |
+| ------------ | ------ | -------- |
+| alphaTag     | string | Alpha tag.    |
+| number       | string | Contact number.    |
+| recordNumber | number | Record number.|
+| pin2         | string | PIN 2.|
+
+## ContactType<sup>8+</sup>
+
+Enumerates contact types.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.CoreService
+
+| Name           | Value  | Description      |
+| :-------------- | ---- | ---------- |
+| GENERAL_CONTACT | 1    | Common contact number.|
+| FIXED_DIALING   | 2    | Fixed dialing number.  |
diff --git a/en/application-dev/reference/apis/js-apis-sms.md b/en/application-dev/reference/apis/js-apis-sms.md
index 25069b318a..33256a6a8a 100644
--- a/en/application-dev/reference/apis/js-apis-sms.md
+++ b/en/application-dev/reference/apis/js-apis-sms.md
@@ -360,7 +360,7 @@ promise.then(data => {
 
 hasSmsCapability(): boolean
 
-Checks whether the current device can send and receive SMS messages. This API works in synchronous mode.
+Checks whether the current device can send and receive SMS messages. This API returns the result synchronously.
 
 **System capability**: SystemCapability.Telephony.SmsMms
 
@@ -375,6 +375,739 @@ let result = sms.hasSmsCapability();
 console.log(`hasSmsCapability: ${JSON.stringify(result)}`);
 ```
 
+## sms.splitMessage<sup>8+</sup>
+
+splitMessage(content: string, callback: AsyncCallback<Array<string\>>): void
+
+Splits an SMS message into multiple segments. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SEND_MESSAGES
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name  | Type                         | Mandatory| Description                         |
+| -------- | ----------------------------- | ---- | ----------------------------- |
+| content  | string                        | Yes  | SMS message content. The value cannot be null.|
+| callback | AsyncCallback<Array<string\>> | Yes  | Callback used to return the result.                   |
+
+**Example**
+
+```js
+string content= "long message";
+sms.splitMessage(content, (err, data) => {
+      console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sms.splitMessage<sup>8+</sup>
+
+splitMessage(content: string): Promise<Array<string\>>
+
+Splits an SMS message into multiple segments. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SEND_MESSAGES
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name | Type  | Mandatory| Description                        |
+| ------- | ------ | ---- | ---------------------------- |
+| content | string | Yes  | SMS message content. The value cannot be null.|
+
+**Return value**
+
+| Type                   | Description                               |
+| ----------------------- | ----------------------------------- |
+| Promise<Array<string\>> | Promise used to return the result.|
+
+**Example**
+
+```js
+string content = "long message";
+let promise = sms.splitMessage(content);
+promise.then(data => {
+    console.log(`splitMessage success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`splitMessage fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sms.addSimMessage<sup>7+</sup>
+
+addSimMessage(options: SimMessageOptions, callback: AsyncCallback<void\>): void
+
+Adds a SIM message. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.RECEIVE_SMS,ohos.permission.SEND_MESSAGES
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name  | Type                                    | Mandatory| Description           |
+| -------- | ---------------------------------------- | ---- | --------------- |
+| options  | [SimMessageOptions](#simmessageoptions7) | Yes  | SIM message options.|
+| callback | AsyncCallback&lt;void&gt;                | Yes  | Callback used to return the result.     |
+
+**Example**
+
+```js
+let simMessageOptions = {
+    slotId = 0,
+    smsc = "test",
+    pdu = "xxxxxx",
+    status = 0
+};
+sms.addSimMessage(simMessageOptions, (err, data) => {
+      console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sms.addSimMessage<sup>7+</sup>
+
+addSimMessage(options: SimMessageOptions): Promise<void\>
+
+Adds a SIM message. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.RECEIVE_SMS,ohos.permission.SEND_MESSAGES
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name | Type                                    | Mandatory| Description           |
+| ------- | ---------------------------------------- | ---- | --------------- |
+| options | [SimMessageOptions](#simmessageoptions7) | Yes  | SIM message options.|
+
+**Return value**
+
+| Type               | Description                         |
+| ------------------- | ----------------------------- |
+| Promise&lt;void&gt; |  Promise used to return the result.|
+
+**Example**
+
+```js
+let simMessageOptions = {
+    slotId = 0,
+    smsc = "test",
+    pdu = "xxxxxx",
+    status = 0
+};
+let promise = sms.addSimMessage(simMessageOptions);
+promise.then(data => {
+    console.log(`addSimMessage success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`addSimMessage fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sms.delSimMessage<sup>7+</sup>
+
+delSimMessage(slotId: number, msgIndex: number, callback: AsyncCallback<void\>): void
+
+Deletes a SIM message. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.RECEIVE_SMS,ohos.permission.SEND_MESSAGES
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name  | Type                     | Mandatory| Description                                     |
+| -------- | ------------------------- | ---- | ----------------------------------------- |
+| slotId   | number                    | Yes  | SIM card slot ID. <br>- **0**: card slot 1<br>- **1**: card slot 2|
+| msgIndex | number                    | Yes  | Message index.                                 |
+| callback | AsyncCallback&lt;void&gt; | Yes  | Callback used to return the result.                               |
+
+**Example**
+
+```js
+let slotId = 0;
+let msgIndex = 1;
+sms.delSimMessage(slotId, msgIndex, (err, data) => {
+      console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sms.delSimMessage<sup>7+</sup>
+
+delSimMessage(slotId: number, msgIndex: number): Promise<void\>
+
+Deletes a SIM message. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.RECEIVE_SMS,ohos.permission.SEND_MESSAGES
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name  | Type  | Mandatory| Description                                     |
+| -------- | ------ | ---- | ----------------------------------------- |
+| slotId   | number | Yes  | SIM card slot ID. <br>- **0**: card slot 1<br>- **1**: card slot 2|
+| msgIndex | number | Yes  | Message index.                                 |
+
+**Return value**
+
+| Type               | Description                         |
+| ------------------- | ----------------------------- |
+| Promise&lt;void&gt; |  Promise used to return the result.|
+
+**Example**
+
+```js
+let slotId = 0;
+let msgIndex = 1;
+let promise = sms.delSimMessage(slotId, msgIndex);
+promise.then(data => {
+    console.log(`delSimMessage success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`delSimMessage fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sms.updateSimMessage<sup>7+</sup>
+
+updateSimMessage(options: UpdateSimMessageOptions, callback: AsyncCallback<void\>): void
+
+Updates a SIM message. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.RECEIVE_SMS,ohos.permission.SEND_MESSAGES
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name  | Type                                                | Mandatory| Description               |
+| -------- | ---------------------------------------------------- | ---- | ------------------- |
+| options  | [UpdateSimMessageOptions](#updatesimmessageoptions7) | Yes  | SIM message updating options.|
+| callback | AsyncCallback&lt;void&gt;                            | Yes  | Callback used to return the result.         |
+
+**Example**
+
+```js
+let updateSimMessageOptions = {
+    slotId = 0,
+    msgIndex = 1,
+    newStatus = 0,
+    pdu = "xxxxxxx",
+    smsc = "test"
+};
+sms.updateSimMessage(updateSimMessageOptions, (err, data) => {
+      console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sms.updateSimMessage<sup>7+</sup>
+
+updateSimMessage(options: UpdateSimMessageOptions): Promise<void\>
+
+Updates a SIM message. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.RECEIVE_SMS,ohos.permission.SEND_MESSAGES
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name | Type                                                | Mandatory| Description               |
+| ------- | ---------------------------------------------------- | ---- | ------------------- |
+| options | [UpdateSimMessageOptions](#updatesimmessageoptions7) | Yes  | SIM message updating options.|
+
+**Return value**
+
+| Type               | Description                         |
+| ------------------- | ----------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let updateSimMessageOptions = {
+    slotId = 0,
+    msgIndex = 1,
+    newStatus = 0,
+    pdu = "xxxxxxx",
+    smsc = "test"
+};
+let promise = sms.updateSimMessage(updateSimMessageOptions);
+promise.then(data => {
+    console.log(`updateSimMessage success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`updateSimMessage fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sms.getAllSimMessages<sup>7+</sup>
+
+getAllSimMessages(slotId: number, callback: AsyncCallback<Array<SimShortMessage\>>): void
+
+Obtains all SIM card messages. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.RECEIVE_SMS
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name  | Type                                                       | Mandatory| Description                                     |
+| -------- | ----------------------------------------------------------- | ---- | ----------------------------------------- |
+| slotId   | number                                                      | Yes  | SIM card slot ID. <br>- **0**: card slot 1<br>- **1**: card slot 2|
+| callback | AsyncCallback<Array<[SimShortMessage](#simshortmessage8)\>> | Yes  | Callback used to return the result.                               |
+
+**Example**
+
+```js
+let slotId = 0;
+sms.getAllSimMessages(slotId, (err, data) => {
+      console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sms.getAllSimMessages<sup>7+</sup>
+
+getAllSimMessages(slotId: number): Promise<Array<SimShortMessage\>>
+
+Obtains all SIM card messages. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.RECEIVE_SMS
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                     |
+| ------ | ------ | ---- | ----------------------------------------- |
+| slotId | number | Yes  | SIM card slot ID. <br>- **0**: card slot 1<br>- **1**: card slot 2|
+
+**Return value**
+
+| Type                                                   | Description                              |
+| ------------------------------------------------------- | ---------------------------------- |
+| PromiseArray<[SimShortMessage](#simshortmessage8)\>&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let slotId = 0;
+let promise = sms.getAllSimMessages(slotId);
+promise.then(data => {
+    console.log(`getAllSimMessages success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`getAllSimMessages fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sms.setCBConfig<sup>7+</sup>
+
+setCBConfig(options: CBConfigOptions, callback: AsyncCallback<void\>): void
+
+Sets the cell broadcast configuration. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.RECEIVE_SMS
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name  | Type                                | Mandatory| Description        |
+| -------- | ------------------------------------ | ---- | ------------ |
+| options  | [CBConfigOptions](#cbconfigoptions8) | Yes  | Cell broadcast configuration options.|
+| callback | AsyncCallback&lt;void&gt;            | Yes  | Callback used to return the result.  |
+
+**Example**
+
+```js
+let cbConfigOptions = {
+    slotId = 0,
+    smsc = "test",
+    pdu = "xxxxxxxx",
+    status = 0
+};
+sms.setCBConfig(cbConfigOptions, (err, data) => {
+      console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sms.setCBConfig<sup>7+</sup>
+
+setCBConfig(options: CBConfigOptions): Promise<void\>
+
+Sets the cell broadcast configuration. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.RECEIVE_SMS
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name | Type                                | Mandatory| Description        |
+| ------- | ------------------------------------ | ---- | ------------ |
+| options | [CBConfigOptions](#cbconfigoptions8) | Yes  | Cell broadcast configuration options.|
+
+**Return value**
+
+| Type               | Description                         |
+| ------------------- | ----------------------------- |
+| Promise&lt;void&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let cbConfigOptions = {
+    slotId = 0,
+    smsc = "test",
+    pdu = "xxxxxxxx",
+    status = 0
+};
+let promise = sms.setCBConfig(cbConfigOptions);
+promise.then(data => 
+    console.log(`setCBConfig success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`setCBConfig fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sms.getSmsSegmentsInfo<sup>8+</sup>
+
+getSmsSegmentsInfo(slotId: number, message: string, force7bit: boolean, callback: AsyncCallback<SmsSegmentsInfo\>): void
+
+Obtains SMS message segment information. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name   | Type                                                        | Mandatory| Description                                     |
+| --------- | ------------------------------------------------------------ | ---- | ----------------------------------------- |
+| slotId    | number                                                       | Yes  | SIM card slot ID. <br>- **0**: card slot 1<br>- **1**: card slot 2|
+| message   | string                                                       | Yes  | SMS message.                                     |
+| force7bit | boolean                                                      | Yes  | Whether to use 7-bit coding.                         |
+| callback  | AsyncCallback&lt;[SmsSegmentsInfo](#<smssegmentsinfo8)&gt; | Yes  | Callback used to return the result.                                 |
+
+**Example**
+
+```js
+let slotId = 0;
+sms.getSmsSegmentsInfo(slotId, "message", false, (err, data) => {
+      console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sms.getSmsSegmentsInfo<sup>8+</sup>
+
+getSmsSegmentsInfo(slotId: number, message: string, force7bit: boolean): Promise<SmsSegmentsInfo\>
+
+Obtains SMS message segment information. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name   | Type   | Mandatory| Description                                     |
+| --------- | ------- | ---- | ----------------------------------------- |
+| slotId    | number  | Yes  | SIM card slot ID. <br>- **0**: card slot 1<br>- **1**: card slot 2|
+| message   | string  | Yes  | Message                                     |
+| force7bit | boolean | Yes  | Whether to use 7-bit coding.                         |
+
+**Return value**
+
+| Type                                                   | Description                         |
+| ------------------------------------------------------- | ----------------------------- |
+| Promise&lt;[SmsSegmentsInfo](#<smssegmentsinfo8)&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let slotId = 0;
+let promise = sms.getSmsSegmentsInfo(slotId, "message", false);
+promise.then(data => 
+    console.log(`getSmsSegmentsInfo success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`getSmsSegmentsInfo fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sms.isImsSmsSupported<sup>8+</sup>
+
+isImsSmsSupported(callback: AsyncCallback<boolean\>): void
+
+Checks whether SMS is supported on IMS. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name  | Type                        | Mandatory| Description      |
+| -------- | ---------------------------- | ---- | ---------- |
+| callback | AsyncCallback&lt;boolean&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+sms.isImsSmsSupported((err, data) => {
+      console.log(`callback: err->${JSON.(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sms.isImsSmsSupported<sup>8+</sup>
+
+isImsSmsSupported(): Promise<boolean\>
+
+Checks whether SMS is supported on IMS. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Return value**
+
+| Type                  | Description                   |
+| ---------------------- | ----------------------- |
+| Promise&lt;boolean&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = sms.isImsSmsSupported();
+promise.then(data => {
+    console.log(`isImsSmsSupported success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`isImsSmsSupported fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sms.getImsShortMessageFormat<sup>8+</sup>
+
+getImsShortMessageFormat(callback: AsyncCallback<string\>): void
+
+Obtains the SMS format supported by the IMS. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name  | Type                       | Mandatory| Description      |
+| -------- | --------------------------- | ---- | ---------- |
+| callback | AsyncCallback&lt;string&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+sms.getImsShortMessageFormat((err, data) => {
+      console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sms.getImsShortMessageFormat<sup>8+</sup>
+
+getImsShortMessageFormat(): Promise<string\>
+
+Obtains the SMS format supported by the IMS. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Return value**
+
+| Type                 | Description                      |
+| --------------------- | -------------------------- |
+| Promise&lt;string&gt; | Promise used to return the result. |
+
+**Example**
+
+```js
+let promise = sms.getImsShortMessageFormat();
+promise.then(data => {
+    console.log(`getImsShortMessageFormat success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`getImsShortMessageFormat fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sms.decodeMms<sup>8+</sup>
+
+decodeMms(mmsFilePathName: string | Array<number\>, callback: AsyncCallback<MmsInformation\>): void
+
+Decodes MMS messages. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name         | Type                                                   | Mandatory| Description          |
+| --------------- | ------------------------------------------------------- | ---- | -------------- |
+| mmsFilePathName | string \|Array<number\>                                 | Yes  | MMS message file path.|
+| callback        | AsyncCallback&lt;[MmsInformation](#mmsinformation8)&gt; | Yes  | Callback used to return the result.    |
+
+**Example**
+
+```js
+let mmsFilePathName = "filename";
+sms.decodeMms(mmsFilePathName, (err, data) => {
+      console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sms.decodeMms<sup>8+</sup>
+
+decodeMms(mmsFilePathName: string | Array<number\>): Promise<MmsInformation\>
+
+Decodes MMS messages. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name         | Type                   | Mandatory| Description          |
+| --------------- | ----------------------- | ---- | -------------- |
+| mmsFilePathName | string \|Array<number\> | Yes  | MMS message file path.|
+
+**Return value**
+
+| Type                                                     | Description                       |
+| --------------------------------------------------------- | --------------------------- |
+| Promise&lt;&lt;[MmsInformation](#mmsinformation8)&gt;&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let mmsFilePathName = "filename";
+let promise = sms.getSmscAddr(mmsFilePathName);
+promise.then(data => {
+    console.log(`decodeMms success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`decodeMms fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## sms.encodeMms<sup>8+</sup>
+
+encodeMms(mms: MmsInformation, callback: AsyncCallback<Array<number\>>): void
+
+Encodes MMS messages. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name  | Type                               | Mandatory| Description      |
+| -------- | ----------------------------------- | ---- | ---------- |
+| mms      | [MmsInformation](#mmsinformation8)  | Yes  | MMS message information.|
+| callback | AsyncCallback&lt;Array<number\>&gt; | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+let mmsAcknowledgeInd = {
+    transactionId = "100",
+    version = 0x10,
+    reportAllowed = 128
+};
+let mmsInformation = {
+   messageType = 133,
+    mmsType = mmsAcknowledgeInd
+};
+sms.encodeMms(mmsInformation, (err, data) => {
+      console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+
+## sms.encodeMms<sup>8+</sup>
+
+encodeMms(mms: MmsInformation): Promise<Array<number\>>
+
+Encodes MMS messages. This API uses a promise to return the result.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+**Parameters**
+
+| Name| Type                              | Mandatory| Description      |
+| ------ | ---------------------------------- | ---- | ---------- |
+| mms    | [MmsInformation](#mmsinformation8) | Yes  | MMS message information.|
+
+**Return value**
+
+| Type                         | Description                               |
+| ----------------------------- | ----------------------------------- |
+| Promise&lt;Array<number\>&gt; | Promise used to return the result.|
+
+**Example**
+
+```js
+let mmsAcknowledgeInd = {
+    transactionId = "100",
+    version = 0x10,
+    reportAllowed = 128
+};
+let mmsInformation = {
+   messageType = 133,
+    mmsType = mmsAcknowledgeInd
+};
+let promise = sms.encodeMms(mmsInformation);
+promise.then(data => {
+    console.log(`encodeMms success, promise: data->${JSON.stringify(data)}`);
+}).catch(err => {
+    console.error(`encodeMms fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
 ## ShortMessage
 
 Defines an SMS message instance.
@@ -383,7 +1116,7 @@ Defines an SMS message instance.
 
 | Name                  | Type                                   | Description                                                        |
 | ------------------------ | --------------------------------------- | ------------------------------------------------------------ |
-| hasReplyPath             | boolean                                 | Whether the received SMS contains **TP-Reply-Path**. The default value is **false**.<br>TP-Reply-Path: The device returns a response based on the SMSC that sends the SMS message.|
+| hasReplyPath             | boolean                                 | Whether the received SMS contains **TP-Reply-Path**. The default value is **false**.<br>**TP-Reply-Path**: The device returns a response based on the SMSC that sends the SMS message.|
 | isReplaceMessage         | boolean                                 | Whether the received SMS message is a **replace short message**. The default value is **false**.<br>For details, see section 9.2.3.9 in **3GPP TS 23.040**.|
 | isSmsStatusReportMessage | boolean                                 | Whether the received SMS message is an SMS delivery status report. The default value is **false**.<br>**SMS-Status-Report**: a message sent from the SMSC to the mobile station to show the SMS message delivery status.|
 | messageClass             | [ShortMessageClass](#shortmessageclass) | Enumerates SMS message types.                                                  |
@@ -464,3 +1197,422 @@ Enumerates SMS message sending results.
 | SEND_SMS_FAILURE_UNKNOWN             | 1    | Failed to send the SMS message due to an unknown reason.                              |
 | SEND_SMS_FAILURE_RADIO_OFF           | 2    | Failed to send the SMS message because the modem is shut down.                  |
 | SEND_SMS_FAILURE_SERVICE_UNAVAILABLE | 3    | Failed to send the SMS message because the network is unavailable or SMS message sending or receiving is not supported.|
+
+
+## MmsInformation<sup>8+</sup>
+
+Defines the MMS message information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name     | Type                                                        | Mandatory| Description     |
+| ----------- | ------------------------------------------------------------ | ---- | --------- |
+| messageType | [MessageType](#messagetype8)                                 | Yes  | Message type. |
+| mmsType     | [MmsSendReq](#mmssendreq8) \|[MmsSendConf](#mmssendconf8) \|[MmsNotificationInd](#mmsnotificationind8) \|[MmsRespInd](#mmsrespind8) \|[MmsRetrieveConf](#mmsretrieveconf8)\|[MmsAcknowledgeInd](#mmsacknowledgeind8)\|[MmsDeliveryInd](#mmsdeliveryind8)\|[MmsReadOrigInd](#mmsreadorigInd8)\|[MmsReadRecInd](#mmsreadorigind8) | Yes  | PDU header type.|
+| attachment  | Array<[MmsAttachment](#mmsattachment8)\>                     | No  | Attachment.     |
+
+## MmsSendReq<sup>8+</sup>
+
+Defines an MMS message sending request.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name          | Type                                | Mandatory| Description        |
+| ---------------- | ------------------------------------ | ---- | ------------ |
+| from             | [MmsAddress](#mmsaddress8)           | Yes  | MMS message source.    |
+| transactionId    | string                               | Yes  | Transaction ID.      |
+| contentType      | string                               | Yes  | Content type.    |
+| version          | [MmsVersionType](#mmsversiontype8)   | Yes  | Version.        |
+| to               | Array<[MmsAddress](#mmsaddress8)\>   | No  | Address to which the message is sent.      |
+| date             | number                               | No  | Date.        |
+| cc               | Array<[MmsAddress](#mmsaddress8)\>   | No  | Carbon copy.        |
+| bcc              | Array<[MmsAddress](#mmsaddress8)\>   | No  | Blind carbon copy.      |
+| subject          | string                               | No  | Subject.        |
+| messageClass     | number                               | No  | Message class.      |
+| expiry           | number                               | No  | Expiration.        |
+| priority         | [MmsPriorityType](#mmsprioritytype8) | No  | Priority.        |
+| senderVisibility | number                               | No  | Sender visibility.|
+| deliveryReport   | number                               | No  | Delivery report.    |
+| readReport       | number                               | No  | Read report.    |
+
+## MmsSendConf<sup>8+</sup>
+
+Defines the MMS message sending configuration.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name       | Type                              | Mandatory| Description    |
+| ------------- | ---------------------------------- | ---- | -------- |
+| responseState | number                             | Yes  | Response status.|
+| transactionId | string                             | Yes  | Transaction ID.  |
+| version       | [MmsVersionType](#mmsversiontype8) | Yes  | Version.    |
+| messageId     | string                             | No  | Message ID.  |
+
+## MmsNotificationInd<sup>8+</sup>
+
+Defines an MMS notification index.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name         | Type                              | Mandatory| Description    |
+| --------------- | ---------------------------------- | ---- | -------- |
+| transactionId   | string                             | Yes  | Transaction ID.  |
+| messageClass    | number                             | Yes  | Message class.  |
+| messageSize     | number                             | Yes  | Message size.|
+| expiry          | number                             | Yes  | Expiration.    |
+| contentLocation | string                             | Yes  | Content location.|
+| version         | [MmsVersionType](#mmsversiontype8) | Yes  | Version.    |
+| from            | [MmsAddress](#mmsaddress8)         | No  | Source.    |
+| subject         | string                             | No  | Subject.    |
+| deliveryReport  | number                             | No  | Status report.|
+| contentClass    | number                             | No  | Content class.  |
+
+## MmsAcknowledgeInd<sup>8+</sup>
+
+Defines an MMS confirmation index.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name       | Type                              | Mandatory| Description    |
+| ------------- | ---------------------------------- | ---- | -------- |
+| transactionId | string                             | Yes  | Transaction ID.  |
+| version       | [MmsVersionType](#mmsversiontype8) | Yes  | Version.    |
+| reportAllowed | [ReportType](#reporttype8)         | No  | Report allowed.|
+
+## MmsRetrieveConf<sup>8+</sup>
+
+Defines the MMS message retrieval configuration.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name        | Type                                | Mandatory| Description    |
+| -------------- | ------------------------------------ | ---- | -------- |
+| transactionId  | string                               | Yes  | Transaction ID.  |
+| messageId      | string                               | Yes  | Message ID.  |
+| date           | number                               | Yes  | Date.    |
+| contentType    | string                               | Yes  | Content type.|
+| to             | Array<[MmsAddress](#mmsaddress8)\>   | Yes  | Address to which the message is sent.  |
+| version        | [MmsVersionType](#mmsversiontype8)   | Yes  | Version    |
+| from           | [MmsAddress](#mmsaddress8)           | No  | Source.    |
+| cc             | Array<[MmsAddress](#mmsaddress8)\>   | No  | Carbon copy.    |
+| subject        | string                               | No  | Subject.    |
+| priority       | [MmsPriorityType](#mmsPrioritytype8) | No  | Priority.  |
+| deliveryReport | number                               | No  | Status report.|
+| readReport     | number                               | No  | Read report.|
+| retrieveStatus | number                               | No  | Retrieval status.|
+| retrieveText   | string                               | No  | Retrieval text.|
+
+## MmsReadOrigInd<sup>8+</sup>
+
+Defines the original MMS message reading index.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name    | Type                              | Mandatory| Description    |
+| ---------- | ---------------------------------- | ---- | -------- |
+| version    | [MmsVersionType](#mmsversiontype8) | Yes  | Version.    |
+| messageId  | string                             | Yes  | Message ID.  |
+| to         | Array<[MmsAddress](#mmsaddress8)\> | Yes  | Address to which the message is sent.  |
+| from       | [MmsAddress](#mmsaddress8)         | Yes  | Source.    |
+| date       | number                             | Yes  | Date.    |
+| readStatus | number                             | Yes  | Read status.|
+
+## MmsAttachment<sup>8+</sup>
+
+Defines the attachment of an MMS message.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name                 | Type                                | Mandatory| Description              |
+| ----------------------- | ------------------------------------ | ---- | ------------------ |
+| contentId               | string                               | Yes  | Content ID.            |
+| contentLocation         | string                               | Yes  | Content location.          |
+| contentDisposition      | [DispositionType](#dispositiontype8) | Yes  | Content disposition.          |
+| contentTransferEncoding | string                               | Yes  | Encoding for content transfer.      |
+| contentType             | string                               | Yes  | Content type.          |
+| isSmil                  | boolean                              | Yes  | Whether the synchronized multimedia integration language is used.|
+| path                    | string                               | No  | Path.              |
+| inBuff                  | Array<number\>                       | No  | In the buffer          |
+| fileName                | string                               | No  | File name.            |
+| charset                 | [MmsCharSets](#mmscharsets8)         | No  | Character set.            |
+
+## MmsAddress<sup>8+</sup>
+
+Defines an MMSC address.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name | Type                        | Mandatory| Description  |
+| ------- | ---------------------------- | ---- | ------ |
+| address | string                       | Yes  | MMSC address.  |
+| charset | [MmsCharSets](#mmscharsets8) | Yes  | Character set.|
+
+## MessageType<sup>8+</sup>
+
+Enumerates message types.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name                   | Value  | Description                |
+| ------------------------- | ---- | -------------------- |
+| TYPE_MMS_SEND_REQ         | 128  | MMS message sending request.    |
+| TYPE_MMS_SEND_CONF        | 129  | MMS message sending configuration.    |
+| TYPE_MMS_NOTIFICATION_IND | 130  | MMS notification index.    |
+| TYPE_MMS_RESP_IND         | 131  | MMS message response index.    |
+| TYPE_MMS_RETRIEVE_CONF    | 132  | MMS message retrieval configuration.    |
+| TYPE_MMS_ACKNOWLEDGE_IND  | 133  | MMS message acknowledgement index.    |
+| TYPE_MMS_DELIVERY_IND     | 134  | MMS message delivery index.    |
+| TYPE_MMS_READ_REC_IND     | 135  | MMS message reading and receiving index.|
+| TYPE_MMS_READ_ORIG_IND    | 136  | Original MMS message reading index.|
+
+## MmsPriorityType<sup>8+</sup>
+
+Enumerates MMS message priorities.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name    | Value  | Description          |
+| ---------- | ---- | -------------- |
+| MMS_LOW    | 128  | Low priority.  |
+| MMS_NORMAL | 129  | Normal priority.|
+| MMS_HIGH   | 130  | High priority.  |
+
+## MmsVersionType<sup>8+</sup>
+
+Enumerates MMS versions.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name         | Value  | Description       |
+| --------------- | ---- | ----------- |
+| MMS_VERSION_1_0 | 0x10 | MMS version 1_0.|
+| MMS_VERSION_1_1 | 0x11 | MMS version 1_1.|
+| MMS_VERSION_1_2 | 0x12 | MMS version 1_2.|
+| MMS_VERSION_1_3 | 0x13 | MMS version 1_3.|
+
+## MmsCharSets<sup>8+</sup>
+
+Enumerates MMS character sets.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name         | Value    | Description               |
+| --------------- | ------ | ------------------- |
+| BIG5            | 0X07EA | BIG5 format.           |
+| ISO_10646_UCS_2 | 0X03E8 | ISO_10646_UCS_2 format.|
+| ISO_8859_1      | 0X04   | ISO_8859_1 format.     |
+| ISO_8859_2      | 0X05   | ISO_8859_2 format.     |
+| ISO_8859_3      | 0X06   | ISO_8859_3 format.     |
+| ISO_8859_4      | 0X07   | ISO_8859_4 format.     |
+| ISO_8859_5      | 0X08   | ISO_8859_5 format.     |
+| ISO_8859_6      | 0X09   | ISO_8859_6 format.     |
+| ISO_8859_7      | 0X0A   | ISO_8859_7 format.     |
+| ISO_8859_8      | 0X0B   | ISO_8859_8 format.     |
+| ISO_8859_9      | 0X0C   | ISO_8859_9 format.     |
+| SHIFT_JIS       | 0X11   | SHIFT_JIS format.      |
+| US_ASCII        | 0X03   | US_ASCII format.       |
+| UTF_8           | 0X6A   | UTF_8 format.          |
+
+## DispositionType<sup>8+</sup>
+
+Enumerates disposition types.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name    | Value  | Description    |
+| ---------- | ---- | -------- |
+| FROM_DATA  | 0    | Data source.|
+| ATTACHMENT | 1    | Attachment.    |
+| INLINE     | 2    | Inlining.    |
+
+## ReportType<sup>8+</sup>
+
+Enumerates report types.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name | Value  | Description|
+| ------- | ---- | ---- |
+| MMS_YES | 128  | YES  |
+| MMS_NO  | 129  | NO   |
+
+## CBConfigOptions<sup>8+</sup>
+
+Defines the cell broadcast configuration options.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name        | Type                | Mandatory| Description        |
+| -------------- | -------------------- | ---- | ------------ |
+| slotId         | number               | Yes  | Card slot ID.      |
+| enable         | boolean              | Yes  | Whether to enable cell broadcast.        |
+| startMessageId | number               | Yes  | Start message ID.  |
+| endMessageId   | number               | Yes  | End message ID.  |
+| ranType        | [RanType](#rantype7) | Yes  | RAN type.|
+
+## SimMessageStatus<sup>7+</sup>
+
+Defines the SIM message status.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name                   | Value  | Description                       |
+| ------------------------- | ---- | --------------------------- |
+| SIM_MESSAGE_STATUS_FREE   | 0    | Free state.      |
+| SIM_MESSAGE_STATUS_READ   | 1    | Read state.               |
+| SIM_MESSAGE_STATUS_UNREAD | 3    | Unread state.               |
+| SIM_MESSAGE_STATUS_SENT   | 5    | Storage of sent messages (applicable only to SMS).|
+| SIM_MESSAGE_STATUS_UNSENT | 7    | Storage of unsent messages (applicable only to SMS).|
+
+## RanType<sup>7+</sup>
+
+Enumerates RAN types.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name   | Value  | Description|
+| --------- | ---- | ---- |
+| TYPE_GSM  | 1    | GSM  |
+| TYPE_CDMA | 2    | CMDA |
+
+## SmsEncodingScheme<sup>8+</sup>
+
+Enumerates SMS encoding schemes.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name              | Value  | Description        |
+| -------------------- | ---- | ------------ |
+| SMS_ENCODING_UNKNOWN | 0    | Unknown code.|
+| SMS_ENCODING_7BIT    | 1    | 7-digit code. |
+| SMS_ENCODING_8BIT    | 2    | 8-digit code. |
+| SMS_ENCODING_16BIT   | 3    | 16-digit code.|
+
+## SimMessageOptions<sup>7+</sup>
+
+Defines the SIM message options.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name| Type                                  | Mandatory| Description          |
+| ------ | -------------------------------------- | ---- | -------------- |
+| slotId | number                                 | Yes  | Card slot ID.        |
+| smsc   | string                                 | Yes  | Short message service center.|
+| pdu    | string                                 | Yes  | Protocol data unit.  |
+| status | [SimMessageStatus](#simmessagestatus7) | Yes  | Message status.          |
+
+## UpdateSimMessageOptions<sup>7+</sup>
+
+Defines the updating SIM message options.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name   | Type                                  | Mandatory| Description          |
+| --------- | -------------------------------------- | ---- | -------------- |
+| slotId    | number                                 | Yes  | Card slot ID.        |
+| msgIndex  | number                                 | Yes  | Message index.      |
+| newStatus | [SimMessageStatus](#simmessagestatus7) | Yes  | New status.        |
+| pdu       | string                                 | Yes  | Protocol data unit.  |
+| smsc      | string                                 | Yes  | Short message service center.|
+
+## SimShortMessage<sup>8+</sup>
+
+Defines a SIM message.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name          | Type                                  | Mandatory| Description         |
+| ---------------- | -------------------------------------- | ---- | ------------- |
+| shortMessage     | [ShortMessage](#shortmessage)          | Yes  | SMS message.       |
+| simMessageStatus | [SimMessageStatus](#simmessagestatus7) | Yes  | SIM message status.|
+| indexOnSim       | number                                 | Yes  | SIM card index.    |
+
+## MmsDeliveryInd<sup>8+</sup>
+
+Defines an MMS message delivery index.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name   | Type                              | Mandatory| Description  |
+| --------- | ---------------------------------- | ---- | ------ |
+| messageId | string                             | Yes  | Message ID.|
+| date      | number                             | Yes  | Date.  |
+| to        | Array<[MmsAddress](#mmsaddress8)\> | Yes  | Address to which the message is sent.|
+| status    | number                             | Yes  | Status.  |
+| version   | [MmsVersionType](#mmsversiontype8) | Yes  | Version.  |
+
+## MmsRespInd<sup>8+</sup>
+
+Defines an MMS response index.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name       | Type                              | Mandatory| Description    |
+| ------------- | ---------------------------------- | ---- | -------- |
+| transactionId | string                             | Yes  | Event ID.  |
+| status        | number                             | Yes  | Status.    |
+| version       | [MmsVersionType](#mmsversiontype8) | Yes  | Version.    |
+| reportAllowed | [ReportType](#reporttype8)         | No  | Report allowed.|
+
+## SmsSegmentsInfo<sup>8+</sup>
+
+Defines the SMS message segment information.
+
+This is a system API.
+
+**System capability**: SystemCapability.Telephony.SmsMms
+
+| Name              | Type                                    | Mandatory| Description        |
+| -------------------- | ---------------------------------------- | ---- | ------------ |
+| splitCount           | number                                   | Yes  | Split count.    |
+| encodeCount          | number                                   | Yes  | Encoding count.    |
+| encodeCountRemaining | number                                   | Yes  | Remaining encoding count.|
+| scheme               | [SmsEncodingScheme](#smsencodingscheme8) | Yes  | Encoding scheme.|
diff --git a/en/application-dev/reference/apis/js-apis-telephony-data.md b/en/application-dev/reference/apis/js-apis-telephony-data.md
index 4a711c1f7c..52afa9a16e 100644
--- a/en/application-dev/reference/apis/js-apis-telephony-data.md
+++ b/en/application-dev/reference/apis/js-apis-telephony-data.md
@@ -106,7 +106,7 @@ This is a system API.
 
 | Name| Type  | Mandatory| Description                                                        |
 | ------ | ------ | ---- | ------------------------------------------------------------ |
-| slotId | number | Yes  | SIM card slot ID. <br>- **0**: card slot 1<br>- **1**: card slot 2<br>- **-1**: Clears the default configuration.|
+| slotId | number | Yes  | SIM card slot ID. <br>- **0**: card slot 1<br>- **1**: card slot 2<br>- **-1**: clearing the default configuration|
 
 **Return value**
 
@@ -274,7 +274,7 @@ promise.then((data) => {
 
 isCellularDataRoamingEnabled(slotId: number, callback: AsyncCallback\<boolean\>): void
 
-Checks whether roaming is enabled for the cellular data service. This API uses an asynchronous callback to return the result.
+Checks whether the cellular data roaming service is enabled. This API uses an asynchronous callback to return the result.
 
 **Required permission**: ohos.permission.GET_NETWORK_INFO
 
@@ -285,7 +285,7 @@ Checks whether roaming is enabled for the cellular data service. This API uses a
 | Name  | Type                    | Mandatory| Description                                                        |
 | -------- | ------------------------ | ---- | ------------------------------------------------------------ |
 | slotId   | number                   | Yes  | Card slot ID.<br>**0**: card slot 1<br>**1**: card slot 2                    |
-| callback | AsyncCallback\<boolean\> | Yes  | Callback used to return the result.<br>- **true**: Roaming is enabled for the cellular data service.<br>- **false**: Roaming is disabled for the cellular data service.|
+| callback | AsyncCallback\<boolean\> | Yes  | Callback used to return the result.<br>- **true**: The cellular data roaming service is enabled. <br>- **false**: The cellular data roaming service is disabled. |
 
 **Example**
 
@@ -299,7 +299,7 @@ data.isCellularDataRoamingEnabled(0,(err, data) => {
 
 isCellularDataRoamingEnabled(slotId: number): Promise\<boolean\>
 
-Checks whether roaming is enabled for the cellular data service. This API uses a promise to return the result.
+Checks whether the cellular data roaming service is enabled. This API uses a promise to return the result.
 
 **Required permission**: ohos.permission.GET_NETWORK_INFO
 
@@ -315,7 +315,7 @@ Checks whether roaming is enabled for the cellular data service. This API uses a
 
 | Type              | Description                                                        |
 | ------------------ | ------------------------------------------------------------ |
-| Promise\<boolean\> | Promise used to return the result.<br>- **true**: Roaming is enabled for the cellular data service.<br>- **false**: Roaming is disabled for the cellular data service.|
+| Promise\<boolean\> | Promise used to return the result.<br>- **true**: The cellular data roaming service is enabled.<br>- **false**: The cellular data roaming service is disabled.|
 
 **Example**
 
@@ -328,6 +328,241 @@ promise.then((data) => {
 });
 ```
 
+## data.enableCellularData
+
+enableCellularData(callback: AsyncCallback<void\>): void
+
+Enables the cellular data service. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CellularData
+
+**Parameters**
+
+| Name  | Type                 | Mandatory| Description      |
+| -------- | --------------------- | ---- | ---------- |
+| callback | AsyncCallback\<void\> | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+data.enableCellularData((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## data.enableCellularData
+
+enableCellularData(): Promise<void\>
+
+Enables the cellular data service. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CellularData
+
+**Return value**
+
+| Type           | Description                   |
+| --------------- | ----------------------- |
+| Promise\<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = data.enableCellularData();
+promise.then((data) => {
+    console.log(`enableCellularData success, promise: data->${JSON.stringify(data)}`);
+}).catch((err) => {
+    console.error(`enableCellularData fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## data.disableCellularData
+
+disableCellularData(callback: AsyncCallback<void\>): void
+
+Disables the cellular data service. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CellularData
+
+**Parameters**
+
+| Name  | Type                 | Mandatory| Description      |
+| -------- | --------------------- | ---- | ---------- |
+| callback | AsyncCallback\<void\> | Yes  | Callback used to return the result.|
+
+**Example**
+
+```js
+data.disableCellularData((err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## data.disableCellularData
+
+disableCellularData(): Promise<void\>
+
+Disables the cellular data service. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CellularData
+
+**Return value**
+
+| Type           | Description                       |
+| --------------- | --------------------------- |
+| Promise\<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = data.disableCellularData();
+promise.then((data) => {
+    console.log(`disableCellularData success, promise: data->${JSON.stringify(data)}`);
+}).catch((err) => {
+    console.error(`disableCellularData fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## data.enableCellularDataRoaming
+
+enableCellularDataRoaming(slotId: number, callback: AsyncCallback<void\>): void
+
+Enables the cellular data roaming service. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CellularData
+
+**Parameters**
+
+| Name  | Type                 | Mandatory| Description                                    |
+| -------- | --------------------- | ---- | ---------------------------------------- |
+| slotId   | number                | Yes  | Card slot ID.<br>**0**: card slot 1<br>**1**: card slot 2|
+| callback | AsyncCallback\<void\> | Yes  | Callback used to return the result.                              |
+
+**Example**
+
+```js
+data.enableCellularDataRoaming(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## data.enableCellularDataRoaming
+
+enableCellularDataRoaming(slotId: number): Promise<void\>
+
+Enables the cellular data roaming service. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CellularData
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                    |
+| ------ | ------ | ---- | ---------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>**0**: card slot 1<br>**1**: card slot 2|
+
+**Return value**
+
+| Type           | Description                     |
+| --------------- | ------------------------- |
+| Promise\<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = data.enableCellularDataRoaming(0);
+promise.then((data) => {
+    console.log(`enableCellularDataRoaming success, promise: data->${JSON.stringify(data)}`);
+}).catch((err) => {
+    console.error(`enableCellularDataRoaming fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+## data.disableCellularDataRoaming
+
+disableCellularDataRoaming(slotId: number, callback: AsyncCallback<void\>): void
+
+Disables the cellular data roaming service. This API uses an asynchronous callback to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CellularData
+
+**Parameters**
+
+| Name  | Type                 | Mandatory| Description                                    |
+| -------- | --------------------- | ---- | ---------------------------------------- |
+| slotId   | number                | Yes  | Card slot ID.<br>**0**: card slot 1<br>**1**: card slot 2|
+| callback | AsyncCallback\<void\> | Yes  | Callback used to return the result.                              |
+
+**Example**
+
+```js
+data.disableCellularDataRoaming(0, (err, data) => {
+    console.log(`callback: err->${JSON.stringify(err)}, data->${JSON.stringify(data)}`);
+});
+```
+
+## data.disableCellularDataRoaming
+
+disableCellularDataRoaming(slotId: number): Promise<void\>
+
+Disables the cellular data roaming service. This API uses a promise to return the result.
+
+This is a system API.
+
+**Required permission**: ohos.permission.SET_TELEPHONY_STATE
+
+**System capability**: SystemCapability.Telephony.CellularData
+
+**Parameters**
+
+| Name| Type  | Mandatory| Description                                    |
+| ------ | ------ | ---- | ---------------------------------------- |
+| slotId | number | Yes  | Card slot ID.<br>**0**: card slot 1<br>**1**: card slot 2|
+
+**Return value**
+
+| Type           | Description                     |
+| --------------- | ------------------------- |
+| Promise\<void\> | Promise used to return the result.|
+
+**Example**
+
+```js
+let promise = data.disableCellularDataRoaming(0);
+promise.then((data) => {
+    console.log(`disableCellularDataRoaming success, promise: data->${JSON.stringify(data)}`);
+}).catch((err) => {
+    console.error(`disableCellularDataRoaming fail, promise: err->${JSON.stringify(err)}`);
+});
+```
+
+
 ## DataFlowType
 
 Defines the cellular data flow type.
-- 
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