iPadOS 11.1 (build 15B101) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, Cellular), released on 2017-10-31T16:59:38Z. The update package is 197.7 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 91c711b1ce3dcb0ecc638315a9dac6c6ecb6efea.zip.