If you have a SIM card PIN enabled on your phone to access data on the SIM card, but you repeatedly enter it incorrectly, the SIM card may lock you out from further attempts. You can reset the SIM ...

Accessing locked mobile phones has never been easier - which is a good thing, says O2... O2 is offering users a quick and easy way to unlock mobile phones with a personal unblocking code (PUK) which ...