iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad Pro 9.7-inch (Cellular), released on 2017-11-09T18:08:10Z. The update package is 40.17 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: e798d0d1e0e34e39f3df12055674317a740d976a.zip.