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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How to

Unblocking your PIN

Want to unblock your PIN? It's easy, but you'll need a PUK to unblock your SIM.


List view

1. Turn off your mobile phone

Tap and hold On/Off.
Drag the power off icon right to turn off your mobile phone.

2. Turn on your mobile phone

Tap and hold On/Off until your mobile phone is turned on.

3. Unblock PIN

The display tells you that your PIN is blocked.
Slide your finger right on the display.
Tap Unlock.
Key in your PUK and tap OK.
Key in a new four-digit PIN and tap OK.
Key in the new PIN again and tap OK.
Your mobile phone is ready for use.
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