iPadOS 10.3 (build 14E5230e) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2017-01-24T18:01:37Z. The update package is 640.22 MB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4eca733d7796f1ac420e0295e60635f576552fff.zip.