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SIM CardYou must insert a valid SIM (Subscriber Identity Module) card before
you can use the mobile phone. The SIM card is provided by your
network service operator.
All information needed to establish a network connection is stored on
the SIM card. The call numbers that you have chosen to save into the
SIM phonebook and the SIMs are also stored on the card.
To avoid losing or damaging the information stored on your SIM card,
never touch the metal contacts of the card. Also, keep the card well
away from electro-magnetic sources. If your SIM card is damaged,
your mobile phone will not be able to be used normally.
Warning: Make sure that you have powered off your phone before
removing the SIM card. Never remove or install a SIM card when the
phone is connected to an external power source. Otherwise, the SIM
card or mobile phone may be damaged. |
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