tvOS 8.4.1 (build 12H523) is an official Apple over-the-air update for the Apple TV 3 (2013), released on 2016-02-25T17:59:41Z. The update package is 487.15 MB. This is a delta (partial) update that requires 7.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4e6508d3de41ee53b76c9fc8209366615b4a862c.zip.