iPadOS 11.4.1 (build 15G5054c) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2018-05-30T17:04:52Z. The update package is 199.23 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: 776858665ef3585a5e62920b29875128ad5502df.zip.