4
5
Power key
•
Press: Lock the screen/Light up the screen
•
Press and hold: Show the pop-up menu to select from
Power off/Reboot/Airplane mode/Silent mode/Meeting
mode/General mode
Press and hold: Power on
•
Press to mute the ringtone when there’s an incoming
call.
•
Press and hold
Power
key and
Volume down
key to
capture a screenshot.
•
Press to light up the screen when it dims during a call.
Volume keys
•
In call mode, adjust the earpiece or headset volume.
•
In Music/Video/Streaming mode, adjust the media
volume.
•
In general mode, adjust the ring tone volume.
•
Mute the ringtone of an incoming call.
Volume up
Volume down
Camera
Option key
•
Option menu
. Touch to access
Manage Homescreen
,
Add widgets
,
Manage applications
,
Wallpaper
and
Settings
.
Home key
•
While on any application or screen, touch to return to
the Home screen.
•
Touch and hold: In any application or screen, touch and
hold to open Google.
Back key
•
Touch to go back to the previous screen, or to close
a dialog box, options menu, the notification panel, etc.