iPadOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2018-05-29T17:15:10Z. The update package is 683.51 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: 76aac5f3594096db238c571d34091c4aed88af80.zip.