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To work with security settings, select Menu > Settings > More settings > Security 
settings, and select the setting you would like to modify. 

Note: When security features that restrict calls are in use (call restricting, closed 
user group, and fixed dialing), calls may be possible to certain emergency numbers 
in some networks.

Select PIN code request to set the phone to ask for your PIN code every time the phone is 
switched on. Some SIM cards do not allow the PIN code request to be turned off.

Select Call restrictions to restrict incoming calls to, and outgoing calls from, your phone. 
Network service and a password are required. 

Select Fixed dialing to restrict your outgoing calls and text messages to selected phone 
numbers if this function is supported by your SIM card. The PIN2 code is required.

When the fixed dialing is on, GPRS connections are not possible except while sending text 
messages over a GPRS connection. In this case, the recipient’s phone number and the 
message center number must be included in the fixed dialing list.

Closed user group is a network service that specifies the group of people whom you can 
call and who can call you. For more information, contact your service provider.

Security level instructs the phone to ask for the security code whenever a new SIM card is 
inserted into the phone.

Select Memory to set the phone to request the security code when the SIM card memory is 
selected.

Select Access codes to change the security code, PIN code, PIN2 code or restriction 
password. Codes can only include numbers from 0 to 9. Refer to the following items when 
changing access codes.