18
Preferences:
You
can
set
the
preferred
registered
network
for
SIM
card.
Security
settings
SIM
Security
PIN
Lock:
You
can
set
SIM
lock
(PIN
code)
as
on/off.
When
this
option
is
chosen,
it
is
necessary
to
input
PIN
code
for
every
insert
of
the
SIM
card.
Change
PIN:
you
should
contact
with
the
SIM
networking
operator
to
get
the
PIN
code
firstly
and
then
you
can
change
the
SIM
password.
Phone
security
Phone
lock:
To
activate
it,
you
should
input
phone
password
1122.
While
you
power
on
the
device
next
time,
you
may
be
asked
for
input
the
password.
Change
password:
The
old
password
is
1122,
you
can
change
the
password
here.
Auto
keypad
lock:
The
mobile
phone
has
screen
lock
function.
When
it
lasts
certain
time,
the
screen
will
be
locked,
including
such
options
as
Off,
5s,
30s,
1min
and
5min.
Connectivity
Data
account
GPRS—You
can
set
the
name,
APN,
user
name,
password,
Auth.
type,
DNS.
Note:
For
related
charging
standard
and
detailed
settings,
please
consult
the
local
network
service
operator.
Different
network
service
providers
provide
different
services.
Consult
the
local
network
operator.
Restore
Factory
Settings
Access
Settings
to
select
Restore
Factory
Settings
,
and
press
OK.
All
settings
can
be
restored
to
factory
settings
with
this
function.
The
default
password
is
1122
.