tvOS 12.1

tvOS 12.1 (build 16J5575c) is an official Apple over-the-air update for the Apple TV 4K, released on 2018-09-18T17:26:30Z. The update package is 110.18 MB. This is a delta (partial) update that requires 12.0 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 34e0be81cd76e1cf801f6841cdb49a6694eb8a46.zip.