iPadOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2018-07-09T17:08:26Z. The update package is 1.22 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b9d15338fd4487b29db1c02bfeca9ef7d7d20c11.zip.