User Manual

Settings
72
Closed user group — to specify a group of people whom you can call and
who can call you (network service)
Security level > Phone — to set the phone to ask for the security code
whenever a new SIM card is inserted into the phone. If you select
Memory, the phone asks for the security code when the SIM card
memory is selected, and you want to change the memory in use.
Access codes — to change the security code, PIN code, UPIN code, PIN2
code, or barring password
Code in use — to select whether the PIN code or UPIN code should be
active
Authority certificates or User certificates — to view the list of the
authority or user certificates downloaded into your phone. See
“Certificates,” p. 101.
Security module settings — to view Security module details, activate
Module PIN request, or change the module PIN and signing PIN. See also
“Access codes,” p. 9.
Restore factory settings
To reset some of the menu settings to their original values, select
Menu > Settings > Restore factory sett.. Enter the security code. The
data you have entered or downloaded, such as names and phone
numbers saved in Contacts, are not deleted.