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• Closed user group. Closed user group is a network service that specifies the
group of people whom you can call and who can call you. For more information
contact your network operator or service provider.
• Security level. The preset security code is 12345.
Select Phone and the phone will ask for the security code whenever a new SIM
card is inserted into the phone.
Select Memory and the phone will ask for the security code when the SIM
card’s memory is selected and you want to change the memory in use, (see
Selecting settings for contacts on page 68) or copy from one memory to
another (Copying contacts on page 72).
• Access codes to change the security code, PIN code, PIN2 code or barring
password. Codes can only include numbers from 0 to 9.
Restore factory settings
To reset some of the menu settings to their original values, press Menu, and select
Settings and Restore factory settings. Key in the security code and press OK. Note
that the data you have keyed in or downloaded, for example, the names and phone
numbers saved in the contacts list are not deleted.