iPadOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2018-07-09T17:08:31Z. The update package is 1.27 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: 83f08b78bd72197009bd4a2b20e4913fbeb1a9c6.zip.