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• PIN2 code: This code is supplied with some SIM cards and is required to access 
certain services, such as charging unit counters. If you enter the PIN2 code 
incorrectly three times in succession, PIN2 code blocked appears on the 
display, and you will be asked for the PUK2 code.
Change the security code, PIN code and PIN2 code in Change of access codes in 
the Security settings menu (see Security settings on page 44). Keep the new 
codes secret and in a safe place separate from your phone.
• PUK and PUK2 code: These codes may be supplied with the SIM card. If this is 
not the case, contact your local service provider.