iPadOS 9.9.10.3.1 (build 14E304) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2017-04-03T17:00:13Z. The update package is 1.11 GB. This is a delta (partial) update that requires 9.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 532b24d766ac5571c1a28f24fb453d8f6e1b3b3f.zip.