tvOS 8.2 (build 12D508) is an official Apple over-the-air update for the Apple TV 3 (2013), released on 2015-03-09T18:49:02Z. The update package is 219.2 MB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e36f9225a529655d4c58f7e1c28d705f02c1929d.zip.