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

Power/Lock Key lets you turn the phone on or off, turn the screen on or off, or lock the screen.
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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, and to Mute, Vibrate, and Sound modes.
Back Key lets you return to the previous screen, or close a dialog box, options menu, the
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Notification panel, or onscreen keyboard.
Home Key returns you to the Home screen. Press and hold to see recent apps, and access
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Task Manager and Google Now.
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
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adjust master volume. During calls or playback, press to adjust volume. Press to mute the
ringtone of an incoming call.
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
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capturing a photo or video.
Microphones allow other callers to hear you when you are using the speakerphone, and
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captures sound during recording.
3.5 mm Headset Jack allows you to plug in either a stereo headset or an optional headset (not
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included) for convenient, hands-free conversations.
Speaker plays ringtones and sounds. The speaker also lets you hear the caller's voice in
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speakerphone mode.
USB Charger/Accessory Port allows you to connect the phone charger/USB cable (included)
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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.
Press and hold the
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Your screen remains blank while your phone is off (unless the battery is charging).

Turn Your Screen On and Off

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