Device Guides

Apple iPhone 4S

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iOS is the operating system software installed on your iPhone. To find out which version you have: Tap Settings, Tap General, Tap About, and view the version number.
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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.


Turn off the screen lock.

Possible cause 2:

The screen lock is turned on

Solution:

Turn off the screen lock.

Turn on screen lock
Briefly tap On/Off.
Turn off screen lock
Briefly tap On/Off and slide you finger right on the screen.
Set automatic screen lock
Tap Settings.
Tap General.
Tap Auto-Lock.
Tap the required setting.
Tap General.
Return to the home screen
Tap the Home key to return to the home screen.

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