Device Guides

Apple iPhone 8

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iOS 12.0
iOS 11.0
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How to
Troubleshoot
Using apps
Specs

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

Briefly tap On/Off.

2. Turn off screen lock

Tap the Home key.

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.
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