SecurityWhen security features that restrict calls are in use (such as call restrictions, closed user group, and fixed dialing), calls may bepossible to the official emergency number programmed into your device.Select Menu > Settings > Security and from the following options:• PIN code request and UPIN code request — to set the device to ask for your PIN or UPIN code every time the device isswitched on. Some SIM cards do not allow the code request to be turned off.• PIN2 code request — to select whether the PIN2 code is required when using a specific device feature which is protectedby the PIN2 code. 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 device (network service). A restriction passwordis required.• Fixed dialing — to restrict your outgoing calls to selected phone numbers if this function is supported by your SIM card.When the fixed dialing is on, GPRS connections are not possible except while sending text messages over a GPRS connection.In this case, the recipient’s phone number and the message center number must be included in the fixed dialing list.• Closed user group — to specify a group of people whom you can call and who can call you (network service)• Security level — Select Phone to set the device to ask for the security code whenever a new SIM card is inserted into thedevice. If you select Memory, the device asks for the security code when the SIM card memory is selected, and you want tochange the memory in use.• Access codes — to change the security code, PIN code, UPIN code, PIN2 code, or restriction 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 yourdevice. See "Certificates," p. 34.• Security module sett. — to view Secur. module details, activate Module PIN request, or change the module PIN andsigning PIN. See "Access codes," p. 7.Software updates over the airWarning: If you install a software update, you cannot use the device, even to make emergency calls, until theinstallation is completed and the device is restarted. Be sure to back up data before accepting installation of an update.Your service provider may send device software updates over the air directly to your device (network service). This option maynot be available, depending on your device.Software update settingsTo allow or disallow software updates, select Menu > Settings > Configuration > Device manager sett. > Serv. softw.updates and the following options:• Always allow — to perform all software downloads and updates automatically• Always reject — to reject all software updates• Confirm first — to perform software downloads and updates only after your confirmation (default setting)Request a software updateSelect Menu > Settings > Phone > Phone updates to request available software updates from your service provider. SelectCurrent softw. details to display the current software version and check whether an update is needed. Select Downl. phonesoftw. to download and install a software update. Follow the instructions on the display.Install a software updateIf the installation was canceled after the download, select Install softw. update to start the installation.The software update may take several minutes. If there are problems with the installation, contact your service provider.Restore factory settingsTo reset some of the menu settings to their original values, select Menu > Settings > Rest. factory sett.. Enter the securitycode.The names and phone numbers saved in Contacts are not deleted.S e t t i n g s© 2007 Nokia. All rights reserved. 25