tvOS 8.4.1 (build 12H523) is an official Apple over-the-air update for the Apple TV 3 (2013), released on 2016-02-25T17:59:46Z. The update package is 133.9 MB. This is a delta (partial) update that requires 8.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 7d8044ad87de7294e6cd75db3de6b26ed35a07c5.zip.