tvOS 12.2.1 (build 16L6250) is an official Apple over-the-air update for the Apple TV 4K, released on 2019-04-10T17:06:49Z. The update package is 1.56 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: 621a97ac673d397b0fa9e629412116f3adf48b72.zip.