How to unlock acode that u forgot - Cell Phones

HI whether you forget the security code of your phone .Then can you please specify the model of your phone? If it is nokia model phone then you can easily reset your phone using default codes like 0000 or 1234 .If this codes didn't help to reset your phone then visit sites like Unlock-Free.com here they are generating master reset code for some older Nokia and alcatel mobile models at free of cost you can use it and reset your phone then assign new security password for your phone ..