Settings
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Select Menu> Settings > Security and one of the following options:
PIN code request — to set the phone to ask for your PIN or UPIN code every time the
phone is switched on. Some SIM cards do not allow the code request to be turned off.
Call restrictions — to restrict incoming calls to and outgoing calls from your phone
(network service). A password is required.
Fixed dialing — to restrict your outgoing calls to selected phone numbers, if this
function is supported by your SIM card.
Closed user group — to specify a group of people whom you can call and who can
call you (network service).
Security level> Phone — the phone asks for the security code whenever a new
SIM card is inserted into the phone. Select Memory and the phone asks for the
securit y cod e whe n the SIM c ard’s memo ry is sele cted and yo u wan t to c hang e
the memory in use.
Access codes — to set the PIN code or UPIN code in use or to change the security
code, PIN code, UPIN code, PIN2 code, and call restrictions 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. 78.
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 settings and enter the security code. Data that you have
entered or downloaded is not deleted. For example, names and numbers in
Contacts are not affected.
■Phone software updates
You may initiate phone software updates from the Phone updates menu. Also,
your service provider may initiate the updates by sending them over the air
directly to your device. This function is known as firmware over the air (FOTA).
Warning: If you install a software update, you cannot use the device, even
to make emergency calls, until the update is completed and the device
is restarted. Be sure to back up data before accepting a FOTA update.