Nokia 7900 Prism

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O p e r a t o r   m e n u
Security level — Select Phone to request the security code whenever a new SIM 
card is inserted into the phone. Select Memory to request the security code when 
the SIM card memory is selected, and you want to change the memory in use.
Access codes — to change the security code, PIN code, UPIN code, PIN2 code, or 
barring password
Code in use — to select whether the PIN code or UPIN code should be active
Authority certificates or User certificates — to view the list of the authority or user 
certificates downloaded into your phone. See “Certificates,” p. 44.
Security module sett. — to view the security module details, activate PIN request 
for the security module, or change the module PIN and signing PIN. See also 
“Access codes,” p. 10.
■ Restore factory settings
To reset some of the menu settings to their original values, select Menu > 
Settings > Rest. factory sett.. Enter the security code. The names and phone 
numbers saved in Contacts are not deleted.
8. Operator menu
This menu lets you access services provided by your network operator. The name 
and the icon depend on the operator. For more information contact your network 
operator. The operator can update this menu with a service message.
■ Info messages
Select Menu > Messaging > Info messages. You can receive messages on various 
topics from your service provider (network service). For more information, contact 
your service provider.
■ Service commands
Select Menu > Messaging > Serv. commands to write and send service requests 
(USSD commands) to your service provider, such as activation commands for 
network services. 
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