tvOS 14.0 (build 18J386) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2020-09-16T20:14:28Z. The update package is 1.08 GB. This is a delta (partial) update that requires 13.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9bada3f49096bd4e2b93912576fde79d4d2e3fd0.zip.