57D a t a m a n a g e m e n tdevice memory. See File manager p. 57. If the .sis file is a message attachment, delete themessage from the Messaging inbox.Remove an applicationIn the Application manager main view, select Installed apps., scroll to the softwarepackage, and select Options > Uninstall.■ File managerTo browse, open, and manage files and folders in the device memory or on amemory card, select > Settings > Data mgr. > File mgr..Back up and restore device memoryTo back up information from device memory to the memory card or restoreinformation from the memory card, in File manager, select Options > Back upphone memory or Restore from mem. card. You can only back up the devicememory and restore it to the same device.Format a memory cardWhen a memory card is formatted, all data on the card is permanently lost. Somememory cards are supplied preformatted and others require formatting.1. In the File manager view, select the memory card.2. Select Options > Memory card options > Format.3. When formatting is complete, enter a name for the memory card.Lock or unlock a memory cardTo set a password to help prevent unauthorised use, in the File manager view,select the memory card and Options > Memory card password > Set. You areasked to enter and confirm your password. The password can be up to eightcharacters long.If you insert another password-protected memory card into your device, you areprompted to enter the password of the card. To unlock the card, select Options >Unlock memory card.■ LicencesDigital rights managementContent owners may use different types of digital rights management (DRM) technologiesto protect their intellectual property, including copyrights. This device uses various types ofDRM software to access DRM-protected content. With this device you can access content