http://wccftech.com/download-tvos-11-beta-9/ >You can now download tvOS 11 Beta 9 if you happen to be an Apple TV developer. We will show you how you can update. >Apart from iOS 11 Beta 9, Apple released tvOS 11 Beta 9 as well. This new update is meant for Apple TV 4 developers only and is available as an over the air update if you so wish to install it right away.