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14Copyright © 2006 Nokia. All rights reserved.
PUK codes
The personal unblocking key (PUK) code and the universal personal unblocking key (UPUK) code (eight digits) is
required to change a blocked PIN code and UPIN code, respectively. The PUK2 code is required to change a
blocked PIN2 code.
If the codes are not supplied with the SIM card, contact your service provider for the codes.
Barring password
The barring password (four digits) is required when using Call barring service. See Security p. 77. You can
obtain the password from your service provider.
If you enter an incorrect barring password three times in succession, the password is blocked. Contact your
service provider for assistance.
■ Copyright protection
Copyright protections may prevent some images, ringing tones, and other content from being copied, modified,
transferred, or forwarded.
■ Configuration settings service
To use some of the network services, such as mobile Internet services, MMS, or remote Internet server
synchronization, your phone needs the correct configuration settings. You may be able to receive the settings
directly as a configuration message. After receiving the settings, you need to save them on your phone. The
service provider may provide a PIN that is needed to save the settings. For more information on availability of
the settings, contact your service provider.
When you have received a configuration message, Configuration sett. received is displayed.
To save the settings, select Show > Save. If the phone requests Enter settings' PIN:, enter the PIN code for the
settings, and select OK. To receive the PIN code, contact the service provider who supplies the settings. If no