tvOS 12.0 (build 16J364) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2018-09-12T19:15:32Z. The update package is 1.24 GB. This is a delta (partial) update that requires 9.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: faa3688ae9e05ad3d8bf940d3e7b6060597fb01e.zip.