iPadOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2018-07-09T17:08:38Z. The update package is 202.13 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: 4258773b88194a95b6f71150f397900b69df9482.zip.