iPadOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-07-09T17:08:28Z. The update package is 250.15 MB. This is a delta (partial) update that requires 11.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6261fbedf8ad1a7134ee23f014732f5f40f6da11.zip.