Device Guides

Apple iPhone 3GS

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How to

Unblock SIM

Want to unblock your SIM? 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 arrow 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 SIM

The display tells you that your SIM is blocked.
Drag the arrow right.
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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