iPadOS 11.4.1 (build 15G5063b) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-06-11T17:21:42Z. The update package is 195.98 MB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c63f5160ed169a9c51276c866bd0e801fca76fa8.zip.