tvOS 12.1 (build 16J6602) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2018-10-30T17:12:45Z. The update package is 1.43 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: f6bdb80a50c2491d6d42466072fef7fba662d184.zip.