iPadOS 11.4 (build 15F5071a) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2018-05-07T17:11:16Z. The update package is 202.82 MB. This is a delta (partial) update that requires 11.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2f92f2b4ceb00512aa31ca3bc3b9f9a4fb799bb3.zip.