Manelisi, Don't know if this will help?.. Have a look @ this article (https://support.avg.com/SupportArticleView?urlname=Unlock-a-device-locked-by-AVG-AntiVirus-for-Android).
AVG Guru
guys i removed my sim card from my phone and when insert it again it needs anti-theft password. i totally forgt my password. please help
Manelisi, Don't know if this will help?.. Have a look @ this article (https://support.avg.com/SupportArticleView?urlname=Unlock-a-device-locked-by-AVG-AntiVirus-for-Android).
AVG Guru