iPadOS 11.4 (build 15F79) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-05-29T17:15:03Z. The update package is 244.85 MB. This is a delta (partial) update that requires 11.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3e4497da855c362c8dbc2c4fc7fad9df4801aee5.zip.