iPadOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2018-07-09T17:09:02Z. The update package is 737.74 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b55834d58347222684810f8c07a9fd36ac97c9c0.zip.