Willem, Don't know if this will help?.. Have a look @ this article (http://avgclick.me/LockedPhone).
AVG Guru
no device registered, please advise
i changed my sim to a LTA sim, and my phone need a password , witch i cant remember
no device registered, please advise
Hi Willem,
Please make sure you are login using AVG Account.
If it doesn't help than reseting phone to default factory settings might be only option.
Thanks
Willem, Don't know if this will help?.. Have a look @ this article (http://avgclick.me/LockedPhone).
AVG Guru