Settings83SecurityChange settings for securing the device and the SIM or USIM card.• Screen lock: Activate the screen lock feature.• Lock screen options: Change the settings for the locked screen. These settings areapplied only when you set the swipe lock option.– Shortcuts: Set to show and edit application shortcuts on the locked screen.– Clock: Set to show the clock on the locked screen.– Dual clock: Set to show the dual clock on the locked screen.– Weather: Set to show the weather information and change the settings for theweather display.– Help text: Set to show the help text on the locked screen.• Owner information: Enter your information that is shown on the locked screen.• Encrypt device: Set a password to encrypt data saved on the device. You must enter thepassword each time you turn on the device.Charge the battery before enabling this setting because it may take more than anhour to encrypt your data.• Encrypt external SD card:– Encrypt external SD card: Set to encrypt files when you save them to a memory card.– Full encryption: Set to encrypt all files on a memory card.– Exclude multimedia files: Set to encrypt all files on a memory card, except for mediafiles.If you reset your device to the factory defaults with this setting enabled, the devicewill not be able to read your encrypted files. Disable this setting before resetting thedevice.