13
security
function
is
enabled,
you
need
to
enter
the
PIN
code
every
time
you
turn
on
the
phone.
You
can
also
disable
this
function.
To
unlock
the
SIM
card,
press
and
hold
the
power
button
to
turn
on
the
phone.
Enter
the
PIN
code.
After
three
consecutive
incorrect
PIN
code
entries,
the
code
is
blocked,
and
you
need
the
PUK
code
to
unblock
it.
PUK
code
This
code
is
required
to
unblock
a
locked
PIN
code.
If
the
code
is
not
supplied
with
the
SIM
card,
contact
your
service
provider.
After
ten
consecutive
incorrect
PUK
code
entries,
the
SIM
card
will
become
invalid.
Please
contact
your
service
provider
to
buy
a
new
SIM
card.
The
PUK
code
cannot
be
edited.
If
it
is
lost,
please
contact
your
service
provider.
2.2.4.
Connecting
to
the
network
After
the
SIM
card
is
unlocked,
your
phone
will
automatically
search
for
the
registered
network
or
other
available
local
network.
Once
connected,
the
name
of
the
network
carrier
will
appear
on
the
top
of
the
screen.
Your
phone
is
now
in
Standby
mode,
ready
for
making
and
receiving
calls.
2.2.5.
Standby
screen
and
Icons
This
phone
provides
a
Standby
screen.
Through
the
instruction
and
various
icons
on
the
screen,
you
can
have
the
operating
information
needed.