14
Basic
Operations
Switch
On
or
Off
the
Device
To
switch
on
your
device,
Press
and
hold
the
Power
key
of
the
phone.
To
switch
off
your
device
Press
and
hold
the
Power
key
to
display
Phone
Options
menu.
Touch
Power
Off
followed
by
OK
to
confirm.
Screen
Lock
and
Unlock
The
device
phone
screen
is
set
to
lock
automatically
after
configurable
time
delay
when
the
device
is
in
the
idle
mode
and
no
function
has
been
used.
It
is
recommend
‐
able
to
lock
the
screen,
when
it
is
not
in
use
to
avoid
any
unwanted
device
operations.
Lock
the
Screen
To
prevent
launching
applications
inadvertently,
press
the
Power
Key
once
to
lock
the
touch
screen.
The
touch
screen
is
set
to
lock
automatically
after
configurable
time
delay
when
it
is
in
the
idle
mode
and
no
function
has
been
used.
Unlocking
the
Screen
To
unlock
the
device
screen,
press
the
Power
Key
once
to
wake
up
the
device
and
then,
swipe
the
Lock
Icon
to
the
right
to
unlock
the
phone
.
Secured
screen
lock
If
you
are
concerned
about
securing
your
phone
data,
you
can
choose
to
set
a
more
complex
lock
for
the
touch
screen.
Touch
Æ
Settings
Æ
Security
Æ
Screen
Lock
Содержание A54
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