iPadOS 11.4 (build 15F5079a) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-05-17T17:02:16Z. The update package is 42.76 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: eb8c6d92aa1abca0d896be3e6883c315ad34ba2e.zip.