32Getting startedSwitch to Silent mode›To mute or unmute your device, do one of the following:In Idle mode, open the application list and select● Phone →, and then tap and hold .Press and hold the Power key and select● Silent mode.Open the notifications panel at the top of the screen and●select Silent mode.Change your ringtone› In Idle mode, open the application list and select1 Settings→ Sound → Phone ringtone.Select a ringtone from the list, and then select2 OK.Select a wallpaper for the idle screen› In Idle mode, press [1 ] → Wallpaper → an option.Select an image.2If you selected an image from Gallery, select3 Save.If you selected a live wallpaper, select Set wallpaper.If you selected a wallpaper image, select Set wallpaper →Save.Samsung is not responsible for any misuse of defaultimages or wallpapers provided on your device.Adjust the brightness of the display› In Idle mode, open the application list and select1 Settings→ Display → Brightness.Clear the tick box next to2 Automatic brightness.