1. Open the watch, slide the outgoing call control panel from bottom to top, find the system settings, and click Enter;

2. Select About, and then click the version number 5 times, and the watch will display a reminder that you are in developer mode;

3. Connect the watch to the computer, allowing debugging with the connected computer, then open Win+R and enter cmd to enter the command line;

4. Enter the name of the adb install -r listening application you need to install. Apk presses Enter, and waits for a successful character in the cmd operation interface, indicating that apk is successfully installed.