iPadOS 8.1.1 (build 12B435) is an official Apple over-the-air update for the iPad Air (China), released on 2014-11-17T18:06:06Z. The update package is 1.38 GB. This is a delta (partial) update that requires 7.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3f0fa8fc66970f4d0697a895294ad4ffd03a61e9.zip.