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Key definitions
Back key
Touch it to open the previous screen you were working in.
If the onscreen keyboard is open, touch it to close the keyboard.
Home key
Touch it to open the home screen. If you’re viewing the left or right
extended home screen, Touch it to open the central home screen.
Recent Apps
Touch the key to open the recent applications screen.
Power key
Press to switch the display on or off.
Long press to open the Power Options menu for Airplane mode,
Silent mode, Vibrate mode, and to power the phone on or off.
Volume keys
Adjust the volume for Calls, Ringtone, Alarm, Media.
Long press it to quickly adjust the ring tone volume to maximum or
minimum.
Press to access the Interruptions panel.
Press to adjust in call volume during a call.
Press to adjust media and apps volume in the app.
Press to set the alarm volume in the Alarm App.
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