S e t t i n g s52 Copyright © 2006 Nokia. All rights reserved.Fixed dialling — to restrict youroutgoing calls to selected phonenumbers if this function is supportedby your SIM cardClosed user group — to specify agroup of people whom you can calland who can call you (networkservice)Security level > Phone — to set thephone to ask for the security codewhenever a new SIM card is insertedinto the phone. If you selectMemory, the phone asks for thesecurity code when the SIM cardmemory is selected, and you want tochange the memory in use.Access codes — to change thesecurity code, PIN code, UPIN code,PIN2 code, or barring passwordCode in use — to select whether thePIN code or UPIN code should beactiveAuthority certificates or Usercertificates — to view the list of theauthority or user certificatesdownloaded into your phone. See”Certificates” p. 81.Security module settings — to viewSecurity module details, activateModule PIN request, or change themodule PIN and signing PIN. See also”Access codes” p. x.■ Phone softwareupdatesYour service provider may sendphone software updates over the airdirectly to your device. This optionmay not be available, depending onyour phone.Warning: If you install asoftware update, youcannot use the device, evento make emergency calls,until the update iscompleted and the device isrestarted. Be sure to backupdata before accepting asoftware update.SettingsTo allowed or disallow phonesoftware updates, select Menu >Settings > Configuration > Devicemanager settings > Service prov. swupdates and following options:Always allow — to perform allsoftware downloads and updatesautomaticallyConfirm first — to perform softwaredownloads and updates only afteryour confirmation (default setting)Always reject — to reject all softwareupdates