tvOS 8.1.1 (build 12B435) is an official Apple over-the-air update for the Apple TV 3 (2013), released on 2014-11-17T18:06:04Z. The update package is 50.09 MB. This is a delta (partial) update that requires 8.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 513677a7fea7914a18b01d317a860871326538a8.zip.