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 594.81 MB. This is a delta (partial) update that requires 11.2.6 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9b2f7bedd1d42afea8b1ee8c9ce691870e958221.zip.