Hello, Marilyn.
If you have enabled SIM security in Anti theft settings, AVG will lock your device automatically when it detects a SIM card change. Please click on this link http://support.avg.com/SupportArticleView?urlname=AVG-Antivirus-for-Android-Anti-theft-service for instructions on how to use AVG Anti Theft feature.
I cant get through the anti theft portal… I need to locate my phone… I lost my phone and somebody already replaced my sim… I wanted to to capture his/her image and wipe out everything in it
Hello, Marilyn.
If you have enabled SIM security in Anti theft settings, AVG will lock your device automatically when it detects a SIM card change. Please click on this link http://support.avg.com/SupportArticleView?urlname=AVG-Antivirus-for-Android-Anti-theft-service for instructions on how to use AVG Anti Theft feature.