Device Guides
My mobile phone doesn't respond
This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.
Possible cause 1:
The screen lock is turned on: Turn off the screen lock.
List view
1. Turn on screen lock
Briefly tap the Home key.
2. Turn off screen lock
Tap the Home key twice.
3. Set automatic screen lock
Tap Settings.
Tap Display & Brightness.
Tap Auto-Lock.
Tap the required setting.
4. Return to the home screen
Tap the Home key to return to the home screen.