tvOS 13.0 (build 17J5557a) is an official Apple over-the-air update for the Apple TV 4K, released on 2019-08-15T17:15:13Z. The update package is 1.83 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c680156cda94582661b6f8b555dc2abeb6b67113.zip.