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 198.12 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 58c2ed6d9461428e1e04c8618943bf21fb1e7d04.zip.