AT&T Internet Features

Per this link: https://forums.att.com/conversations/max-account-billing/hbomax-conversion-to-max/646cf0dfd72b5e6adff6091f?commentId=6470268867e5b16786161ef7 I am not getting Max content in 4K and only have access to the middle tier 1080P streaming.

Hey all, Been having some MAJOR lag spikes in rocket league. Once every game or so. Decided to traceroute my packets and they're not being sent optimally at all. Rocket league's east servers are located roughly in Ashburn, Virginia, after finding the ip address in my game files after playing a mat

It says internet is not available at your address.

I need 2.4ghz Wi-Fi but mine is 5. I clicked on 2.4, entered the same password I have for 5 since it is the only one I have and it would not connect. I am trying to set up a doorbell.