iPadOS 10.3 (build 14E5269a) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2017-03-08T17:59:00Z. The update package is 352.64 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: 403c2871d5fafa4f5243c99d1492900b2c561974.zip.