iPadOS 11.4 (build 15F5079a) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-05-17T17:02:08Z. The update package is 38.58 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: f30928cac79200a46fd564f03f5a29d5b3e63b19.zip.