Device Guides

Apple iPhone 4

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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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The touch screen isn't responding

This troubleshooting guide will take you through a number of possible causes
to help you find a solution to your problem.


Turn off the key lock.Detailed instructions.

Possible cause 1:

Your mobile phone is locked

Solution:

Turn off the key lock.Detailed instructions.

1. Choose option
Choose one of the following options:
Turn key lock on or off, go to 1a.
Select setting for automatic key lock, go to 1b.
2. 1a - Turn key lock on or off
To turn on the key lock:
Briefly tap On/Off.
To turn off the key lock:
Briefly tap On/Off.
Drag the arrow right.
3. 1b - Select setting for automatic key lock
Tap Settings.
Tap General.
Tap Auto-Lock.
To turn on automatic key lock:
Tap the required interval.
To turn off automatic key lock:
Tap Never.
Tap the Home key to return to standby mode.

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