@Mileskg21 Google actually doesn't support playing Stadia on cellular internet connections. That's probably why it was blocking by default. You can learn more about it from the following help page
Bandwidth, data usage, and stream quality
@Mileskg21 Which country are you running Stadia from? As of now, Stadia is only officially supported in countries listed from the list below
Stadia availability & requirements
Stadia and the Stadia Controller are available in the following regions:
@Mileskg21 What kind of network situation are you in (office/work/org)? Maybe your network administrator is restricting it? Can you share a screenshot of the issue when you're trying to launch a game?
@Mileskg21 By at&t wireless, do you mean a plan for mobile phone/devices?
@Ivan Yes. i am using https://www.otrmobile.com/ for my service. i have always been able to use programs like Steam, Xbox Live, Origin and Uplay with no problem but for some reason Google doesn't like me. I have also completed the Stadia Speedtest multiple times with no problems there.
@Mileskg21 Google actually doesn't support playing Stadia on cellular internet connections. That's probably why it was blocking by default. You can learn more about it from the following help page
Bandwidth, data usage, and stream quality