Once you enter the PUK code, you must set a PIN. The PUK and PUK2 are used to unlock the PIN and PIN2 codes respectively if your SIM card is blocked.
Nov 19, 2013
Dial 133 937 from an alternate phone; Select Option 1 - Mobile;
Learn About: Obtain a PUK Code from AT&T Wireless Customer Support. ...
When the error message "
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What to do if your phone asks for a PIN or
optus.intelliresponse.com/?requestType=NormalRequest&id=1341&source=5&question=What's my PUK code? My SIM card is blocked.