iPadOS 8.3 (build 12F69) is an official Apple over-the-air update for the iPad Air (China), released on 2015-04-08T17:56:08Z. The update package is 1.21 GB. This is a delta (partial) update that requires 7.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2971cd6c9b577d6c7d85ca127650080befe49620.zip.