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Security module settings
Press Menu, select Services, Settings and Security module settings. If 
there is no security module in the phone, Insert security module is 
displayed. 
In the Security module settings menu you have the following options:
• Security module details show the security module label, its status, 
manufacturer and serial number.
• Module PIN request: The phone asks you for the module PIN code, 
which is supplied with the SIM card. Key in the code, and select On to 
set the security module to ask for the module PIN code.
• Change module PIN: Key in the current module PIN code. Press 
Change and key in the new code twice. 
• Change signing PIN shows a list of signing PINs in alphabetical order 
if you have more than one signing PIN in your phone. The signing PIN 
is supplied with the SIM card. Select the signing PIN you want to 
change. Key in the current signing PIN code. Press Change and key in 
the new code twice.
Note: If you key in a wrong PIN code several times, the phone may 
display PIN code blocked and ask you to key in the PUK code. 
Contact your service provider to get the PUK code, and key it in. To 
key in the PUK code later, you must first try to use the PIN, and you 
will then be asked for the PUK code.