25
1.
Click
Setting.
2.
Click
About
the
GSM
.
You
can
view
the
status
,
model
and
version
number
of
the
device.
System
update
1.
Click
Setting.
2.
Click
About
the
GSM
.
3.
Click
System
upgrade
,
and
follow
the
instructions
(make
sure
the
SD
card
with
the
latested
version
is
inserted).
View
system
version
1.
Click
Setting.
2.
Click
About
the
GSM
.
3.
You
can
view
the
model
,
battery
and
internal
version
.
4.9
Timer
on/off
1.
Click
Setting.
2.
Click
Timer
on/off
option
3.
Follow
figure
4.9
Figure
4.9
4.10
Security
setting
Set
lock
screen
You
can
use
unlock
pattern
or
password
to
lock
the
screen
in
order
to
protect
to
privacy
in
the
Click
to
enter
timer
on
setting
Click
to
enter
timer
off
setting
Enable/disa
ble
timer
on
Enable/disa
ble
timer
off
