Mallika, Don't know if this will help?.. Have a look @ this article (http://avgclick.me/LockedPhone).
AVG Guru
sir,I had registerd my sony c2104 and also resistered on anti theft with a password. unfortunately i forgot the password and it is locked. i visited the website for password changing option. but it does not work. in the website i remove my defice name and model and other information from the website. so i need your help. to remove the password and unlock the device.
Mallika, Don't know if this will help?.. Have a look @ this article (http://avgclick.me/LockedPhone).
AVG Guru