8The PIN (Personal Identification Number) is a password provided by
a network operator with a SIM card. You need this password in order to use the SIM card.
If you enter the PIN incorrectly 3 times in a row, the SIM card will lock down and no longer be usable. If this happens, you must enter the PUK (Personal Unblocking Key) for that SIM card in order to unlock it. Please contact your network operator to obtain a PUK.
/To cancel PIN password authentication, go to the menu Settings → Security → PIN Code → PIN1 Code. Please see page 150.
4.When the PIN code entered has been accepted, the phone will automatically search for the designated network. This search process may take a few seconds.
5.The phone will then ask you whether you wish to activate the phone book stored in the phone's memory or on your SIM card. Press 
to highlight the desired phone book and
then press 
to open the phone book you have selected.
6.After you open the phone book on the SIM card, any data you browse, store, or delete will be from the SIM card's phone book. If you open the phone book in the phone's memory, any data that you view, store, or delete will be from the phone's phone book.
/If at some later point, you wish to switch phone books, go to the following menu Phone Book → Activate.
