Settings68r One-handed operation: Activate one-handed operation mode for your conveniencewhen using the device with one hand.r Screen timeout: Set the length of time the device waits before turning off the display’sbacklight.r Daydream: Set the device to launch a screensaver when the device is charging.ApplicationsManage the device’s apps and change their settings.On the Settings screen, tap Applications.r Application manager: View and manage the apps on your device.r Application permissions: Specify functions to use for each app.r Default applications: Select a default setting for using apps.WallpaperChange the wallpaper settings for the Home screen and the locked screen.On the Settings screen, tap Wallpaper.Lock screen and securityChange the settings for securing the device and the SIM or USIM card.On the Settings screen, tap Lock screen and security.The available options may vary depending on the screen lock method selected.r Screen lock type: Change the screen lock method.r Show information: Change settings for the items displayed on the locked screen.r Unlock effect: Select an effect that you see when you unlock the screen.