Device Guides
Apple iPhone 4S
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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.

Step 1 of 10
1. Choose one of the following options:Turn key lock on or off, go to 1a.Select setting for automatic key lock, go to 1b.
Step 2 of 10
2. To turn on the key lock:Briefly tap On/Off.
Step 3 of 10
3. To turn off the key lock:Briefly tap On/Off.
Step 4 of 10
4. Drag the arrow right.
Step 5 of 10
5. Tap Settings.
Step 6 of 10
6. Tap General.
Step 7 of 10
7. Tap Auto-Lock.
Step 8 of 10
8. To turn on automatic key lock:Tap the required interval.
Step 9 of 10
9. To turn off automatic key lock:Tap Never.
Step 10 of 10
10. Tap the Home key to return to standby mode.
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.
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.
Briefly tap On/Off.
To turn off the key lock:
Briefly tap On/Off.
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.
Tap the required interval.
To turn off automatic key lock:
Tap Never.
Tap Never.
Tap the Home key to return to standby mode.