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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 barring service — to restrict incoming calls to and outgoing calls from your
phone (network service). A password is required.
Fixed dialling — 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
security code when the SIM card’s memory is selected and you want to change
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 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. 97.
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. 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 start 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.