21
The SIM card is a computer chip containing information about your
subscription, security, Contacts etc.
When you register as a subscriber with GSM, GPRS network
operator, you are provided with the SIM card.
Always handle the SIM card with care and insert with the gold
contacts facing down.
Power ON/OFF
○
Make sure that the battery is attached. You can switch your phone
On/Off by long pressing the [end] key.
○
If
you
switch
the
phone
on without a SIM card :
The phone will promote “Insert SIM”
―
In this case, you can
make emergency call.
The phone will promote “Network Emergency”
―
which means it
is searching for network but has failed to link.
○
When the SIM card is in the due place, the phone will check the
validity of the card automatically. Then the screen will promote in
sequence:
“Enter PIN”-- prerequisite: SIM card security code is enabled.
“Enter Lock Code”-- Prerequisite: Phone Lock Code is enabled.
“No Service”-- Network registration failure. In this case, you can
not make a call.
“Emergency Call Only”-- You phone has registered the other
network and only emergency call is allowed.
“Searching for Network”-- The phone will search for proper network
to log on. You may make a call and send or receive SMS.
PIN Code
○
A PIN code is adopted to prevent your SIM card from any illegal use.
If a PIN code is activated, you are requested to input the PIN code
to unlock the SIM card every time your phone is switched on. The
user can also disable the PIN code. In this case, your phone will be
