iPadOS 10.3 (build 14E277) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2017-03-27T16:56:52Z. The update package is 701.16 MB. This is a delta (partial) update that requires 10.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 44c31f6b5e4ac4756b1fd2d43a2538fcb4ab47e9.zip.