Camera

Camera Flash/Flashlight

Volume up

Volume down

Recent apps key

Open a list of thumbnail images of apps you've worked with recently. Touch it to open an app. Swipe it left or right to remove a thumbnail from the list.

Home key

While on any application or screen, touch to return to the Home screen.

Back key

Touch to go back to the previous screen, or to close a dialog box, options menu, the notification panel, etc.

Power key

Press: Lock the screen/Light up the screen

Press and hold: Show the pop-up menu to select from Ringer mode/Airplane mode/Power off

Press and hold: Power on

Press and hold Power key and Volume down key to capture a screenshot.

Volume Keys

Under call mode, adjust the earpiece or headset volume.

In Music/Video/Streaming mode, adjust the media volume.

In general mode, adjust the ringtone volume.

Mute the ringtone of an incoming call.

1.2Getting started

1.2.1Set-up

Removing or installing the back cover

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