Cannot upgrade my avg for android to ultimate

Android products
3

Hi Fredy,

We're glad to help pointing you in the right direction.
We do have a specialized team who deals with mobile queries. You can raise a request by visiting this link.
Note : You may need to choose 'Yes' for the 1st question that is in the above link to request answer via email.
Thank you for your understanding in advance!

1

After I pressed the upgrade button and it switched to the page for selecting the plan， I am not able to.go further as no response by pressing on the plan showing in the page.
my avg protection version number is 6.17.4-319892-6391823

2

Hi Fredy,

We're glad to help pointing you in the right direction.
We do have a specialized team who deals with mobile queries. You can raise a request by visiting this link.
Note : You may need to choose 'Yes' for the 1st question that is in the above link to request answer via email.
Thank you for your understanding in advance!