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 257.89 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: 165da1855e3a97b145390d6e8022a9416c784900.zip.