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 On/Off.
2. Turn off screen lock
Briefly tap On/Off.
Slide your finger upwards on the screen.
3. Set automatic screen lock
Slide your finger downwards starting from the top of the screen.
Tap the settings icon.
Tap Display, gestures & buttons.
Tap Screen timeout.
Tap the required setting.
4. Return to the home screen
Tap the Home key to return to the home screen.