iPadOS 10.3 (build 14E277) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2017-03-27T16:57:27Z. The update package is 717.4 MB. This is a delta (partial) update that requires 10.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 95bb024f447e6477eb01f29578cade3cbe8fb48a.zip.