iPadOS 9.9.10.3.1 (build 14E304) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2017-04-03T17:00:14Z. The update package is 1.1 GB. This is a delta (partial) update that requires 9.3.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 65e17074ca2d1f8699924f37532cff1608c988e4.zip.