iPadOS 11.3 (build 15E216) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2018-03-29T17:10:28Z. The update package is 684.92 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 963df367425b524a311f4b45cb16031ccb4a80c9.zip.