To set up Security settings you need to access: Menu, Settings, More settings, and Security settings
PIN code request Set the handset to ask for your PIN code every time it's switched on. Some SIM cards do not allow the PIN code request to be turned off.
Call barring service (network service)
Restrict incoming calls to and outgoing calls from your phone.
Fixed dialing Restrict your outgoing calls to selected phone numbers if this function is supported by your SIM card.
Closed user group Specify a group of people whom you can call and who can call you.
Security level Set the phone to ask for the security code when a new SIM card is inserted. Select Memory and the phone will ask for the security code when the SIM card's memory is selected and you want to change the memory in use.
Access codes Change the security code, PIN code, PIN2 code, or barring password.
NOTE
When security features that restrict calls are in use, calls may be possible to certain emergency numbers in some networks.
