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Nokia 3200 User Guide 29 Copyright © Nokia 2003
Phone security
Personal unblocking key (PUK) codes
PUK and PUK2 codes are used to restore blocked PIN and PIN2 codes. Both PUK and
PUK2 codes are eight characters in length and cannot be changed. PUK and PUK2
codes must be obtained from your service provider.
If you enter an incorrect PUK or PUK2 code 10 times in succession, SIM rejected
appears in the display and the SIM card can no longer be used. You must contact
your service provider for a new SIM card.