iPadOS 11.1 (build 15B5078e) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2017-10-09T17:02:10Z. The update package is 124.09 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: 15cc69e794915eedf498bb37d19a1074b8cf9446.zip.