tvOS 11.0 (build 15J5378a) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2017-08-31T20:00:51Z. The update package is 54.87 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: 8721cad35e67a87d5d21fac40b7772c532e12f30.zip.