I have purchased avg antivirus for Android,I reset my mobile and required my product key unfortunate

I purchased avg antivirus for my Android but it is not tresable now,how can activate,my mobile is reset so it is required to product key

Hello Ramendu. 
Thank you for contacting AVG Support Community. 
We will certainly check and help you. 
We do have a specialized team who deals with mobile queries.
In this regard, please contact our mobile team directly using the below link, they will certainly look into your queries/ concerns and help you with the appropriate solution through email. 
https://support.avg.com/support_contact_form?l=en
After clicking the above link, please select the operating system as "Android" and fill in other requested details. Finally, click on "request answer via email" which will submit a ticket to our mobile team.
Please refer to the below article to submit your queries using your mobile app.  
https://support.avg.com/SupportArticleView?l=en&urlName=Mobile-Contact-AVG-Support&q=How+to+contact+support+through+the+Mobile+Contact+Form&supportType=home
Thank you for your understanding.

Hello Ramendu. 
Thank you for contacting AVG Support Community. 
We will certainly check and help you. 
We do have a specialized team who deals with mobile queries.
In this regard, please contact our mobile team directly using the below link, they will certainly look into your queries/ concerns and help you with the appropriate solution through email. 
https://support.avg.com/support_contact_form?l=en
After clicking the above link, please select the operating system as "Android" and fill in other requested details. Finally, click on "request answer via email" which will submit a ticket to our mobile team.
Please refer to the below article to submit your queries using your mobile app.  
https://support.avg.com/SupportArticleView?l=en&urlName=Mobile-Contact-AVG-Support&q=How+to+contact+support+through+the+Mobile+Contact+Form&supportType=home
Thank you for your understanding.