iPadOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2017-10-23T17:05:43Z. The update package is 163.1 MB. This is a delta (partial) update that requires 11.0.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2e08ca2f191f0ff8a9b64d712f820cf87e81330d.zip.