iPadOS 10.3 (build 14E277) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2017-03-27T16:57:26Z. 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: 8c24384264f61965c4e83a3c379f68ce3b93a18f.zip.