what is a puk2 or pin2 code?

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blackberry pearl from cingular

Answer 1

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These are additional codes *sometimes* used by the mobile companies for further security on phone sims.

Often a company will only use a PUK(1) code, which needs to be entered after three false attempts at accessing the SIM.

You would call the comms company with your SIM number (not phone number) to obtain a PUK code.