4
Power Key
Press and hold to power on,
select phone modes, turn on/off
airplane mode, reboot your
phone, or power off.
Press to turn off or on the
screen display.
Home Key
Touch to return to the home
screen from any application or
screen.
Menu Key
Touch to get the options for the
current screen.
Touch and hold to see recently
used applications.
Back Key
Touch to go to the previous
screen.
Volume Key
Press or hold to turn the volume
up or down.