tvOS 13.0 (build 17J586) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2019-09-24T17:13:30Z. The update package is 917.53 MB. This is a delta (partial) update that requires 12.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1d7f244e631cd9c79c496f1ca68bf1b2a34b9dcc.zip.