
11
Keys Functions
Power key
Press: Lock the screen/Light up the screen.
Press and hold: Power on your phone or show the pop-up menu to
select from
Ringer mode
/
Airplane mode
/
Power off.
Menu key
On Home screen press to quickly access
System settings
menu
or
Manage apps
. On other screens, press to view options 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
Volume key
Under 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.