# Running on the Device<a name="EN-US_TOPIC_0000001054809161"></a>
# Running on the Device<a name="EN-US_TOPIC_0000001054809161"></a>
Before you install the application and run it on the development board, install the DevEco Device Tool by following operations provided in [HUAWEI DevEco Device Tool User Guide](https://device.harmonyos.com/en/docs/ide/user-guides/service_introduction-0000001050166905). Burn OpenHarmony into the development board, and run it on the board. For details about how to compile, burn, and run an image, see the [Hi3516 Development Board](../quick-start/quickstart-lite-introduction-hi3516.md#section26131214194212). After the image is running normally and the system is started properly, perform the following steps to install or uninstall the application:
Before you install the application and run it on the development board, install the DevEco Device Tool by following operations provided in [HUAWEI DevEco Device Tool User Guide](https://device.harmonyos.com/en/docs/ide/user-guides/service_introduction-0000001050166905). Burn OpenHarmony into the development board, and run it on the board. For details about how to compile, burn, and run an image, see the [Hi3516 Development Board](../quick-start/Readme-EN.md). After the image is running normally and the system is started properly, perform the following steps to install or uninstall the application:
1. Store the compiled unsigned application installation package and installation tool in an SD card and insert the SD card into the development board slot. The installation tool is in **dev\_tools** of the directory where the image file is generated.
1. Store the compiled unsigned application installation package and installation tool in an SD card and insert the SD card into the development board slot. The installation tool is in **dev\_tools** of the directory where the image file is generated.
2. Run the following command to disable signature verification, which is enabled by default for application installation:
2. Run the following command to disable signature verification, which is enabled by default for application installation:
# Use Case<a name="EN-US_TOPIC_0000001055686082"></a>
# Use Case<a name="EN-US_TOPIC_0000001055686082"></a>
- For details about the development board, compilation, burning, and image running, see [Hi3518 Development Board](../quick-start/quickstart-lite-introduction-hi3518.md#section14815247616). A compilation result file of sample code is stored in **out/ipcamera\_hi3518ev300/dev\_tools/bin/camera\_sample**. You can copy the file to a TF card, or modify the compilation script of **camera\_sample** to copy the result to **rootfs.img**.
- For details about the development board, compilation, burning, and image running, see [Quick Start](../quick-start/Readme-EN.md). A compilation result file of sample code is stored in **out/ipcamera\_hi3518ev300/dev\_tools/bin/camera\_sample**. You can copy the file to a TF card, or modify the compilation script of **camera\_sample** to copy the result to **rootfs.img**.
Modify **output\_dir** in **applications/sample/camera/media/BUILD.gn**.
Modify **output\_dir** in **applications/sample/camera/media/BUILD.gn**.
