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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, PIN2 code, or
restriction password
Code in use — to select whether the PIN code should be active
PIN2 code request — to select whether the PIN2 code is required when using a
specific phone feature which is protected by the PIN2 code. Some SIM cards do
not allow the code request to be turned off.
Authority certificates or User certificates — to view the list of the authority or
user certificates downloaded into your phone. See “Certificates,” p. 70.
Security module sett. — to view Secur. 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 > Rest. factory sett.. Enter the security code. The names and phone
numbers saved in Phonebook are not deleted.
■ Phone software updates
Your service provider may send phone software updates over the air directly to
your device (network service dependency). This option may not be available,
depending on your phone.
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 backup data before accepting a software update.
Settings
To allowed or disallow phone software updates, select Menu > Settings >
Configuration > Device manager sett. > Serv. softw. updates and following options:
Always allow — to perform all software downloads and updates automatically
Always reject — to decline all software updates
Confirm first — to perform software downloads and updates only after your
confirmation (default setting)