55Authority certificates or User certificates — to view the list of the authority or user certificatesdownloaded into your phone. See “Certificates,” p. 24.Security module sett. — to view Secur. module details, activate Module PIN request, or changethe module PIN and signing PIN. See also “Access codes,” p. 7.■ Digital rights managementDigital rights management (DRM) is copyright protection, designed to prevent modificationand to limit distribution of protected files. When you download protected files, such as sound,video, themes, or ringing tones to your phone, the files are free, but locked. You pay for thekey to activate the file, and the activation key is automatically sent to your phone when youdownload the file.To view the permissions for a protected file, scroll to the file, and select Options > Activationkeys. For example, you can see how many times you can view a video or how many days youhave left for listening to a song.To extend the permissions for a file, select Options and the corresponding option for the filetype, such as Activate theme. You can send certain types of protected files to your friends,and they can buy their own activation keys.If your device has OMA DRM protected content, to back up both the activation keys and thecontent, use the backup feature of Nokia PC Suite. Other transfer methods may not transferthe activation keys which need to be restored with the content for you to be able to continuethe use of OMA DRM protected content after the device memory is formatted. You may alsoneed to restore the activation keys in case the files on your device get corrupted.Copyright protections may prevent some images, music, and other content from being copied,modified, or transferred.This phone supports OMA DRM 1.0 and 2.0.■ 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 installation is completed and the device is restarted. Be sureto back up data before accepting installation of an update.SettingsTo allow or disallow phone software updates, select Menu > Settings > Configuration >Device manager sett. > Serv. softw. updates and from the following options:Always allow — to perform all software downloads and updates automaticallyAlways reject — to reject all software updates