Samsung Galaxy S III User Manual page 177

Display
From the Settings screen, under Device, touch Display.
The Display menu displays.
General
Wallpaper
Select wallpaper(s) for the Home and Lock screens.
1. From the Display menu, under General, touch
Wallpaper.
2. Touch the screen for which you want to select
wallpaper. (Options are: Home screen, Lock screen, and
Home and lock screens.)
3. Touch the source of the wallpaper(s) you want to use.
[Options are: Gallery, Live wallpapers (not for the Lock
screen), and Wallpapers.)
4. Touch the desired image or wallpaper.
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LED indicator
Select which alerts cause the LED indicator (upper left corner
of the phone) to come on while the phone's screen is off.
From the Display menu, under General, touch
LED indicator. The following options are available:
• Charging: LED indicator lights red while the phone's battery is
charging.
• Low battery: LED indicator lights red when the phone's battery
charge level becomes low.
• Notifications: LED indicator flashes blue when you have
missed calls, new messages, or application events.
• Voice recording: LED indicator lights blue when you are
recording a voice note.