tvOS 13.4.5 (build 17L5560a) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2020-05-06T17:11:51Z. The update package is 77.93 MB. This is a delta (partial) update that requires 13.4.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b22da51f009902c447bbb911fef0fe8fd8718c2c.zip.