tvOS 12.0 (build 16J5313d) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2018-07-03T17:09:08Z. The update package is 217.56 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 513f6ecbc0a15f17a2a552e9cb8bf6a764ec0ece.zip.