tvOS 12.0 (build 16J5364a) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2018-08-31T17:13:59Z. The update package is 32.12 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: 5ff20b84fa9e760e4bf035698b6b1ea55ae154f0.zip.