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 2:

The screen lock is turned on: Turn off the screen lock.

List view

1. Turn on screen lock

Tap On/Off.

2. Turn off screen lock

Briefly tap On/Off and slide you finger across the screen.

3. Set automatic screen lock

Tap Settings.
Tap Display.
Tap Sleep.
Tap the required setting.

4. Return to the home screen

Slide your finger upwards starting from the bottom of the screen to return to the home screen.
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