You can do it yourself here ~ http://www.lur.nu/nokia_mastercode/security_code.php Note: Master security codes do not work for all models!
thx i did it but anyway i think that the calculator dosent work on thise nokia cause i tried all calc b4 asking 4 help.
The cacls don't work for all models so if you didn't get any joy, you'll need to contact your provider for hardware unlockers.