tvOS 12.1

tvOS 12.1 (build 16J5584c) is an official Apple over-the-air update for the Apple TV 4K, released on 2018-10-02T17:18:56Z. The update package is 91.6 MB. This is a delta (partial) update that requires 12.1 to already be installed on the device - it cannot be applied from scratch. This update is no longer signed by Apple, meaning it can no longer be downloaded and applied on-device through Settings.

The OTA payload file is ea209519a454db6b5428affaf9d87c68a7380744.zip.