tvOS 11.0 (build 15J5374a) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2017-08-28T19:54:27Z. The update package is 50.12 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d28e3add7105cc0763a0dec01263c69d84efe660.zip.