tvOS 11.1 (build 15J5582a) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2017-10-23T20:02:12Z. The update package is 36.81 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6bdf2760f4defde153ec95d4f94a2b41ca6f8215.zip.