iPadOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2018-05-29T17:15:20Z. The update package is 1.39 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c21ae3da7a7f86206a33bbb8237b8d56f6bf9315.zip.