iPadOS 11.1 (build 15B101) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2017-10-31T16:59:37Z. The update package is 1.21 GB. This is a delta (partial) update that requires 10.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 037261406a637ec67b093ca12bf903c8bbb5c859.zip.