This device was locked due to sim

Sandeep, Don't know if this will help?.. Have a look @ this article (http://avgclick.me/LockedPhone). Otherwise, Please click on the following link (http://avgclick.me/AVGtechnical) and fill out your details, select as Android then the name of AVG Program that you installed in your mobile and in description please completely explain about your issue and finally click on Email option. The AVG mobile team will reply back to you via email with a resolution.
AVG Guru

sir
tommrow night i change  sim  untill my mobil lock
please remove my probleam

and what i do 
and mobil want unlock passward
i forget passward

Sandeep, Don't know if this will help?.. Have a look @ this article (http://avgclick.me/LockedPhone). Otherwise, Please click on the following link (http://avgclick.me/AVGtechnical) and fill out your details, select as Android then the name of AVG Program that you installed in your mobile and in description please completely explain about your issue and finally click on Email option. The AVG mobile team will reply back to you via email with a resolution.
AVG Guru