iPadOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2018-07-09T17:09:04Z. The update package is 613.18 MB. This is a delta (partial) update that requires 11.2.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9aec245ebd856154035759b4e120ed1c3d022d68.zip.