ADB

https://developer.android.com/studio/releases/platform-tools.html - ADB is part of the Platform Tools software https://developers.google.com/android/ota - Images/Manual update steps/commands

Manual Update Steps

Note: requires adb tool, download an appropriate image, and verify checksum 1. With the device powered on and USB debugging enabled (in Developer mode/menu on the phone), reboot into recovery mode

# adb reboot recovery

2. Ready the device to accept an update
Hold the Power button and press Volume Up once, and a menu will appear. Select: Apply update from ADB. 3. Check if you system see the device and that it is ready, should show up with "sideload" next to its name

# adb devices

4. Update the device

# adb sideload ota_file.zip

5. Once the update finishes, reboot the device by choosing: Reboot system now