iPadOS 9.3 (build 13E5225a) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2016-03-01T18:13:38Z. The update package is 151.66 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: 5d5bbb0d99b2a0a848d7c64ae0f07bc98f3e1903.zip.