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Press Menu, select Settings, Security settings and
• PIN code request to set your phone to ask for the PIN code of the SIM card
when the phone is switched on. Some SIM cards do not allow this function to
be turned off.
• Call barring service to restrict the making and receiving of calls with your
phone. Select one of the barring options and set the option on (Activate) or off
(Cancel). Check whether a service is activated by choosing Check status
(network service).
• Fixed dialling to restrict your outgoing calls to selected phone numbers, if
allowed by your SIM card.
• Closed user group to specify a group of people whom you can call and who can
call you (network service).
• Security level and set it to Phone, so that the phone asks for the security code
at start-up if the SIM card inserted is not the one it last used. Or set it to
Memory, so that the security code is requested when you select the phone’s
internal phone book.
The security code is also required for using some functions, for example, to
clear the phone book or to restore the factory settings.
Note that when you change the security level, all the recent calls lists
including Missed calls, Received calls and Dialled numbers are cleared.
• Change of access codes to change the security code, PIN code, PIN2 code or
barring password. These codes can include the numbers 0 to 9 only. Avoid