iPadOS 8.1.1 (build 12B435) is an official Apple over-the-air update for the iPad 3 (GSM), released on 2014-11-17T18:06:05Z. The update package is 426.04 MB. This is a delta (partial) update that requires 8.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c8b335269d6cf8daaf0ee56f807b2c1803b0705d.zip.