iPadOS 11.4.1 (build 15G5054c) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2018-05-30T17:04:59Z. The update package is 205.12 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: 38a707b773e4e785c6fa5da8159e48eac19efd76.zip.