tvOS 13.4.8 (build 17M5535f) is an official Apple over-the-air update for the Apple TV 4 (2015), released on 2020-06-03T17:13:47Z. The update package is 93.02 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: 265bc177d0394c4c7ff244ac50e11c5df38b7c1a.zip.