tvOS 12.0 (build 16J364) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2018-09-12T19:15:28Z. 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: 0631448b1e10a31be4aabea180d90da332f2bcaf.zip.