diff --git a/modules/core/include/opencv2/core/version.hpp b/modules/core/include/opencv2/core/version.hpp
index c48a40356fd7f3969dfa79ce64ee1928391e797d..ca46377978370ecd3f5bd5329e52aad0749bbf88 100644
--- a/modules/core/include/opencv2/core/version.hpp
+++ b/modules/core/include/opencv2/core/version.hpp
@@ -53,7 +53,7 @@
 #define CV_VERSION_MAJOR    3
 #define CV_VERSION_MINOR    3
 #define CV_VERSION_REVISION 0
-#define CV_VERSION_STATUS   "-rc"
+#define CV_VERSION_STATUS   "-dev"
 
 #define CVAUX_STR_EXP(__A)  #__A
 #define CVAUX_STR(__A)      CVAUX_STR_EXP(__A)
diff --git a/platforms/android/build_sdk.py b/platforms/android/build_sdk.py
index e78e3b92fbcfd051d794a5449b50969bdd71607b..a96ee845e501edefc7e893dcd31f2d63cfbdb174 100755
--- a/platforms/android/build_sdk.py
+++ b/platforms/android/build_sdk.py
@@ -171,7 +171,7 @@ class Builder:
         # Add extra data
         apkxmldest = check_dir(os.path.join(apkdest, "res", "xml"), create=True)
         apklibdest = check_dir(os.path.join(apkdest, "libs", abi.name), create=True)
-        for ver, d in self.extra_packs + [("3.2.0", os.path.join(self.libdest, "lib"))]:
+        for ver, d in self.extra_packs + [("3.3.0", os.path.join(self.libdest, "lib"))]:
             r = ET.Element("library", attrib={"version": ver})
             log.info("Adding libraries from %s", d)
 
diff --git a/platforms/android/service/engine/AndroidManifest.xml b/platforms/android/service/engine/AndroidManifest.xml
index 6c90858d6da672d050dab360e33aabaa81e2a535..7a52ecc977b15507fbb6ba205abebc28fb65a71b 100644
--- a/platforms/android/service/engine/AndroidManifest.xml
+++ b/platforms/android/service/engine/AndroidManifest.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="org.opencv.engine"
-    android:versionCode="320@ANDROID_PLATFORM_ID@"
-    android:versionName="3.20">
+    android:versionCode="330@ANDROID_PLATFORM_ID@"
+    android:versionName="3.30">
 
     <uses-sdk android:minSdkVersion="@ANDROID_NATIVE_API_LEVEL@" android:targetSdkVersion="22"/>
     <uses-feature android:name="android.hardware.touchscreen" android:required="false"/>
diff --git a/platforms/android/service/engine/src/org/opencv/engine/OpenCVEngineService.java b/platforms/android/service/engine/src/org/opencv/engine/OpenCVEngineService.java
index c604fa9003b14a856f45588492b27587184940ed..5283cc2bc938f3f619b6d67293bfe0a161c64b6e 100644
--- a/platforms/android/service/engine/src/org/opencv/engine/OpenCVEngineService.java
+++ b/platforms/android/service/engine/src/org/opencv/engine/OpenCVEngineService.java
@@ -134,7 +134,7 @@ public class OpenCVEngineService extends Service {
 
             @Override
             public int getEngineVersion() throws RemoteException {
-                int version = 3200;
+                int version = 3300;
                 try {
                     version = getPackageManager().getPackageInfo(getPackageName(), 0).versionCode;
                 } catch (NameNotFoundException e) {
diff --git a/platforms/android/service/readme.txt b/platforms/android/service/readme.txt
index f7e886afc3494a104a6fd70df1d8fd23da67334d..88ee35e2b988cafe7d6ee81bd1ca00d1202711ec 100644
--- a/platforms/android/service/readme.txt
+++ b/platforms/android/service/readme.txt
@@ -12,7 +12,7 @@ manually using adb tool:
 
     adb install <path-to-OpenCV-sdk>/apk/OpenCV_<version>_Manager_<app_version>_<platform>.apk
 
-Example: OpenCV_3.2.0-dev_Manager_3.20_armeabi-v7a.apk
+Example: OpenCV_3.3.0-dev_Manager_3.30_armeabi-v7a.apk
 
 Use the list of platforms below to determine proper OpenCV Manager package for your device: