4
Keypad
Descriptions
Key
Description
Power
Key
Long
press
the
key
to
turn
on
the
phone.
In
the
power
on
status,
press
the
key
to
lock
keypad
and
screen;
long
press
the
key
to
show
phone
options.
Menu
Key
Press
the
key
to
enter
option
menu.
Home
Key
Press
the
key
to
return
to
standby
mode.
Long
press
the
key
to
show
recent
list.
Back
Key
In
the
menu
mode,
press
the
key
to
go
back
to
upper
menu.
Volume
Keys
To
adjust
incoming
call
ringtone
volume.
During
a
call,
playing
music,
video,
or
listening
to
radio,
press
the
keys
to
adjust
volume.
Start
to
Use
Install
Memory
Card
and
SIM
Card
When
you
apply
for
a
network,
you
will
get
a
plug
‐
in
SIM
card.
SIM
(Subscriber
Identity
Module)
card
that
contains
phone
number,
service
projects
and
can
be
used
to
store
phone
numbers
and
personal
information.