tvOS 12.0 (build 16J5364a) is an official Apple over-the-air update for the Apple TV 4K, released on 2018-08-31T17:13:59Z. The update package is 1.59 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: 22cd86796ebc562a6d73144a713ff62c865a5e40.zip.