iPadOS 11.4 (build 15F5071a) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-05-07T17:11:16Z. The update package is 252.62 MB. This is a delta (partial) update that requires 11.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d71847b68f2f63541dd61fe551ff4895a32b9820.zip.