5
Important
Information
IMEI:
International
Mobile
Station
Equipment
Identity.
Switch
off
your
device,
remove
the
battery,
and
you
can
find
a
bar
‐
code
label
with
this
number
on
the
back
of
your
device.
This
number
is
also
stored
in
your
device
and
can
be
presented
on
the
screen
when
you
enter
*#06#
in
standby
mode
after
switching
on
the
device.
Any
mobile
phone
must
have
a
globally
unique
IMEI.
We
recommend
that
you
maintain
this
number
properly
as
this
number
can
protect
your
phone
against
unauthorized
use,
even
using
different
SIM
cards.
Security
Codes
PIN
(4
‐
8
digits)
The
PIN
is
the
personal
identity
number
of
your
SIM
card,
which
is
provided
by
your
network
operator.
If
you
enter
the
wrong
PIN
three
times
consecutively,
the
SIM
card
is
blocked.
To
unblock
it,
you
need
to
enter
your
PUK.
For
details,
please
consult
your
network
operator.
PIN
2
(4
‐
8
digits)
The
PIN
2
will
be
provided
for
some
SIM
cards
to
use
some
functions
like,
call
fee
notice
and
fixed
dialing
number.
These
functions
can
be
used
only
when
your
SIM
card
supports
them.
PUK
To
unblock
the
blocked
PIN,
you
need
to
enter
your
PUK
(Personal
Unblocking
Key).
Your
PUK
is
provided
together
with
your
SIM
card.
If
not,
please
contact
your
network
operator
to
get
it.
If
you
forget
your
PUK,
please
contact
your
network
operator.
Phone
Code
The
phone
code
protects
your
phone
against
unauthorized
use
(the
original
phone
code
is
1122).
To
ensure
security
of
your
personal
information,
please
change
the
original
phone
code
in
time.