iPadOS 9.3 (build 13E233) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2016-03-21T18:56:09Z. The update package is 307.8 MB. This is a delta (partial) update that requires 9.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1989fe08a1f7c87f00e4224be9e9fd9c3030861d.zip.