Menu functions
Default
Automatic
Security settings
Your phone uses several types of codes to help prevent unauthorized use:
•The security code, supplied with the phone, helps to protect your phone against unauthorized use. The preset code is 12345.
•The PIN code, supplied with the SIM card, helps to protect the card against unauthorized use. The preset code is 1234. If you enter the PIN code incorrectly three times in succession, the SIM card is blocked. You must enter the PUK code to unblock the SIM card and set a new PIN code.
•The PIN2 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.
•The PUK and PUK2 codes may be supplied with the SIM card. If this is not the case, contact your local service provider.
When security features that restrict calls are in use (such as call restriction, closed user group, and fixed dialing), calls still may be possible to the official emergency number programmed into your phone.
Select Menu > Settings > Security settings and one of the following:
PIN code
Call
Closed user
Security
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Nokia 2651 User Guide | 31 | Copyright © 2005 Nokia |