21
PIN
code
PIN1
Code
:
It
is
the
personal
identification
number
used
to
enter
SIM
and
able
to
prevent
others
using
SIM1
without
permission.
If
the
mobile
phone
has
activated
the
PIN1
code
protection,
when
the
mobile
phone
is
switched
on,
the
screen
will
display
“Input
PIN”.
In
the
process
of
inputting
PIN1
code,
the
screen
will
use
“*”
to
represent
the
input
content.
While
obtaining
SIM,
you
can
obtain
its
PIN1
code.
PIN2
Code
:
It
is
the
personal
identification
number
used
for
some
special
functions
such
as
paid
call
etc.
PUK
Code
and
PUK2
Code(8
‐
digit)
To
change
the
locked
PIN
code,
you
need
to
use
PUK
(Personal
Unblocking
Key)
code.
To
change
the
locked
PIN2
code,
you
need
to
use
PUK2
code.
If
these
two
codes
are
not
provided
together
with
the
SIM
cards,
ask
the
local
service
provider
for
them.
Warning:
If
the
PIN
code
is
input
wrongly
for
successively
three
times,
the
SIM
card
will
be
locked.
Please
contact
the
network
operator
immediately
for
help.
Attempt
to
unlock
the
code
may
make
the
SIM
card
ineffective
forever!
22
4.
General
Instructions
Dial
key
It
is
used
to
dial
a
call
(with
phone
number
entered
or
in
phonebook
state)
or
receive
an
incoming
call.
In
standby
state,
press
this
key
to
display
the
latest
call
register
(SIM1
and
SIM2
support
respectively
20
call
entries,
including
received
calls,
missed
calls
and
dialed
calls).
In
dual
‐
SIM
standby
mode,
press
this
key
to
have
an
option
menu
on
which
you
can
choose
to
operate
via
SIM1
or
via
SIM2.
Switch
‐
on/off
key
/End
key
In
call
state,
it
is
used
to
interrupt
a
call;
in
call
conversation
state,
it
is
used
to
end
a
call
or
exit
from
the
current
menu
and
back
to
the
standby
state.
Hold
this
key
for
4~5s
to
switch
on/off
the
mobile
phone.
Standard
keypad
On
the
keypad,
you
can
see
A
‐
Z
（
0
‐
9
number
keys
）
number
keys,
*
key
and
#
key,
totally
42
keys.
Press
these
keys
to
input
phone
number,
password,
English
letters,
symbols
or
choose
menus.
In
different
states
or
different
functional
menus,
“+”
key
and
