iPadOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2018-07-09T17:08:51Z. The update package is 599.96 MB. This is a delta (partial) update that requires 11.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e0e2a95a7fe922e233624525e1f64166ba968568.zip.