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How to enable Single Sign-On for the Apple TV
If you're running tvOS 10, you can now log in to the Single Sign-On feature — if you have the right provider. Here's how!
Apple flipped the switch on its long-awaited Single Sign-On feature for tvOS 10, but before you get too excited, a few caveats: It's only available in the United States; it's currently only available with nine cable providers; apps will still need to be updated to support Single Sign-On.