Getting started27Adjust the volume of the ringtones›Press the Volume key up or down to adjust the ringtonevolume.Switch to Silent mode›To mute or unmute your device, do one of the followings:Open the shortcuts panel from the top of the screen and●select Silent.Press and hold [● ] 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 select2 OK.Activate animation for switching windows›In Idle mode, open the application list and select Settings→ Display → Animation → Some animations or Allanimations.Select a wallpaper for the idle screen› In Idle mode, press [1 ] → Wallpaper → an option.Select an image.2Select3 Save or Set wallpaper.Samsung is not responsible for any use 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.Drag the slider2 to adjust the level of brightness.