How to enable Single Sign-On for the Apple TV on tvOS 10.1If you're running the tvOS beta, you can now log in to the Single Sign-On feature — if you have the right provider. Here's how!
Apple quietly flipped the switch on its long-awaited Single Sign-On feature on Thursday night, but before you get too excited, a few caveats: It's only for users of the tvOS 10.1 developer beta; it currently only supports four providers; and most (if not all) third-party apps don't currently look for the Single Sign-On data, so they'll still ask you to authorize on a per-app basis.
All that said, you certainly can test out Single Sign On if you fit all of those criteria, though you won't find much to start.
What providers support Single Sign-On?
At present, Apple only has four providers in the U.S. available for beta users:
Dish Network, a satellite TV subscription
GVTC Communications, a digital provider in Texas
Hotwire, a fiber optic cable TV subscription
Sling TV, a digital subscription for cord-cutters
Of the four, Sling TV is the only one that...
Source:
How to enable Single Sign-On for the Apple TV on tvOS 10.1