tvOS 12.4 (build 16M568) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2019-07-22T19:22:55Z. The update package is 990.92 MB. This is a delta (partial) update that requires 10.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d86395147617d1d61491c81c42fcc7b030e50366.zip.