iPadOS 11.4 (build 15F5077a) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-05-14T17:17:08Z. The update package is 257.71 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: 5e25c0c025a92855aa8fd8f3526a15e5c88de70a.zip.