iPadOS 11.4.1 (build 15G5054c) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2018-05-30T17:05:00Z. The update package is 205.05 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: 2d0635c33830413d771c4c303f5d6f3dc15d603a.zip.