• Applications, compatible with the Symbian operating system, that have the .sisor .sisx file extension• Widgets that have the .wgz file extensionOnly install applications that are compatible with your phone.Remove an app from your phoneYou can remove installed apps that you no longer want to keep or use, to increase theamount of available memory.Select > Settings and Installations.1 Select Already installed.2 Select and hold the app to remove, then select Remove.If you remove an app, you can only reinstall it if you have the original installation fileor a full backup of the removed app. You may not be able to open files created with aremoved app.If an installed app depends on a removed app, the installed app may stop working. Fordetails, see the user documentation of the installed app.The installation files may use large amounts of memory and prevent you from storingother files. Use Nokia Suite to back up your installation files to a compatible computer,then use the file manager to remove the files from your phone memory.Synchronise contentAbout Nokia SyncSelect > Nokia Sync.You can sync contacts, calendar events, and notes between your phone and Nokiaservices. This way you always have a backup of your important content. To use NokiaSync, you need a Nokia account. If you don't have an account, access a Nokia service –you are asked if you want to create one.If you use Nokia Sync to automatically sync your contacts with Nokia services, do notallow syncing with any other service, such as Mail for Exchange, as there may be conflicts.Copy contacts or pictures between phonesYou can synchronise and copy contacts, pictures, and other content between twocompatible Nokia phones, free of charge, using Bluetooth.Select > Settings > Connectivity > Data transfer > Phone switch.Phone management 99