58Fixed dialing—to restrict your outgoing calls to selected phone numbers if this function issupported by your SIM cardClosed 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 SIMcard is inserted into the phone. If you select Memory, the phone asks for the security codewhen 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 restriction passwordCode in use—to select whether the PIN code or UPIN code should be activeAuthority certificates or User certificates—to view the list of the authority or user certificatesdownloaded into your phone. See "Certificates," p. 43.Security module settings—to view Security module details, activate Module PIN request, orchange the module PIN and signing PIN. See also "Access codes," p. 8.■ Phone software updatesYour service provider may send phone software updates over the air directly to your device.This option may not be available, depending on your phone.Warning: If you install a software update, you cannot use the device, even to makeemergency calls, until the update is completed and the device is restarted. Be sureto backup data before accepting a software update.SettingsTo allow or disallow phone software updates, select Menu > Settings > Configuration >Device manager settings > Service prov. sw updates and following options:Always allow—to perform all software downloads and updates automaticallyConfirm first—to perform software downloads and updates only after your confirmation(default setting)Always reject—to reject all software updatesDepending on your settings you will be notified that a software update is available fordownload or has been downloaded and installed automatically.Request a software updateSelect Menu > Settings > Phone > Phone updates to request available phone software updatesfrom your service provider. Select Current software details to display the current softwareversion and check whether an update is needed. Select Download phone softw. to downloadand install a phone software update. Follow the instructions on the display.
