iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2017-11-09T18:08:52Z. The update package is 1.15 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: d8e72bc95e92d6da465572224c71c7c9676a2bf2.zip.