iPadOS 10.3 (build 14E5260b) is an official Apple over-the-air update for the iPad Air (China), released on 2017-02-27T17:56:19Z. The update package is 333.81 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: 15997c1bd95da9c0b6d2ba752cf47f3a4b2f8c4f.zip.