PUK is the code required to unlock a GSM SIM card that has disabled itself after an incorrect PIN code was entered 3-5 times in a row. If an incorrect PUK code is entered a certain number of times ...

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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 ...