iPadOS 9.3 (build 13E5191d) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2016-01-25T20:52:39Z. The update package is 104.23 MB. 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: a74bd44eed173fccdc7a4adec9444ee4d06b120f.zip.