Device Guides

Samsung Galaxy S II

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

Tap and hold On/Off.

Tap Power off.

Tap OK.

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

The display tells you that your SIM is blocked.
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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