Yea U Need Software!
Mobile Handset ?
If Nokia Use Pc Suite:-
http://europe.nokia.com/support/download-software/pc-suites
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If Other Than bluesoleil:-
http://hotfile.com/dl/29623315/73222cb/IVT_BlueSoleil_6.4.275.0.Incl.Keymaker-EMBRACE.zip.html
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Thank U!