Boot Android tablet or phone into safe mode
Restart your Android phone or tablet in safe mode
Here's how you can boot your Android tablet or phone into safe mode.
1. Long press the power button until you see the options menu.
2. Long press the power off button.
3. You will be asked if you want to boot into safe mode.
4. Tap the OK button.
For more, see the original article at the link below.
How To Boot Your Android Phone or Tablet Into Safe Mode | How To Geek