Kindly follow the below steps to recover AD v3.
1. Turn off the power to AD v3 and then turn on the power again.
2. Press the AD v3 power button for more than 10 seconds.
3. Tap anywhere on the screen to select and highlight RECOVERY .
4. Tap and hold on the screen until the highlight color turns green, and then release.
1. Turn off the power to AD v3 and then turn on the power again.
2. Press the AD v3 power button for more than 10 seconds.
3. Tap anywhere on the screen to select and highlight RECOVERY .
4. Tap and hold on the screen until the highlight color turns green, and then release.