iPadOS 9.9.11.3 (build 15E216) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-03-29T17:10:30Z. The update package is 1.35 GB. This is a delta (partial) update that requires 9.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 06b230e4a132b0ee04c7353bdb6410c0859fc04a.zip.