iPadOS 11.1 (build 15B101) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2017-10-31T16:59:43Z. The update package is 197.75 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 806519131350d9253f3dc9c1be46a451a38928e9.zip.