Turn Your Phone On And Off; Turn Your Screen On And Off - Samsung Galaxy SIII User Manual

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Power/Lock Key lets you turn the phone on or off, turn the screen on or off, or lock the screen.
Press and hold for a Device options menu, where you can turn the phone off or restart it, or for
easy access to Airplane mode, Mute, Vibrate, and Sound modes.
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Back Key lets you return to the previous screen, or close a dialog box, options menu, the
Notifications panel, or onscreen keyboard.
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Home Key returns you to the Home screen. Press and hold to see recent apps, and access Task
Manager and Google Now.
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Menu Key allows you to access a menu from most of your phone's screens.
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Volume Key adjusts the volume of your phone's sounds. From the Home screen, press to adjust
master volume. During calls or playback, press to adjust volume. Press to mute the ringtone of an
incoming call.
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Camera lets you take pictures and record videos.
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Flash helps illuminate subjects in low-light environments when the camera is focusing and
capturing a photo or video.
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Microphones allow other callers to hear you when you are using the speakerphone, and
captures sound during recording.
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3.5 mm Headset Jack allows you to plug in the included headset, or other optional headset, for
convenient, hands-free conversations and music playback.
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Speaker plays ringtones and sounds. The speaker also lets you hear the caller's voice in
speakerphone mode.
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USB Charger/Accessory Port allows you to connect the phone charger/USB cable (included)
and other optional accessories (not included).
CAUTION: Inserting an accessory into the incorrect jack may damage the phone.

Turn Your Phone On and Off

The instructions below explain how to turn your phone on and off.
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Press and hold the
Your screen remains blank while your phone is off (unless the battery is charging).

Turn Your Screen On and Off

Your phone allows you to quickly turn the screen off when not in use and to turn it back on and unlock it
when you need it.
Turn the Screen Off When Not in Use
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To quickly turn the screen off, press the Power/Lock Key.
Phone Basics
Power/Lock Key.
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