tvOS 12.0.1 (build 16J380) is an official Apple over-the-air update for the Apple TV 4K, released on 2018-09-24T17:13:27Z. 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: 2cf9965f458839496fd17312d9bcd380cc22e857.zip.