iPadOS 10.3 (build 14E5273a) is an official Apple over-the-air update for the iPad Air (China), released on 2017-03-13T17:00:21Z. The update package is 356.5 MB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 613ef98114c3aedfb3e3a8720d097fd3e4c780d9.zip.