Using new license AVG VPN at Iphone

Hi Support,
my license already expired a couple week ago.
i just bought license avg ultimate from reseller at our country and got new license.
my question, how to use this license (AVG vpn) for my iphone. I have no issue with Macbook.
thanks

Hi Rendra,

We're glad to point you in the right direction. 
For further assistance in this regard, we recommend that you contact our designated mobile team directly.
Please use this link to contact our mobile team via email.
Thank you for understanding in advance!