iPadOS 11.3 (build 15E216) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2018-03-29T17:10:57Z. The update package is 696.84 MB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8dd0bb03cc8287a4c040292890f8c4b024e5bb7b.zip.