iPadOS 9.3 (build 13E5225a) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2016-03-01T18:13:38Z. The update package is 1.47 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 225d758fca68603dd937174bc74f244908468fa1.zip.