tvOS 11.1 (build 15J582) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2017-10-31T17:02:15Z. The update package is 680.94 MB. This is a delta (partial) update that requires 10.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: efbb8e9b162f3194ff003ea1d72cf482398cbc43.zip.