tvOS 11.1 (build 15J5571d) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2017-10-09T20:00:17Z. The update package is 1.14 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2e5faa912feba6dee1c6dd47e68791302cda3927.zip.