iPadOS 11.1 (build 15B5086a) is an official Apple over-the-air update for the iPad Pro 2 (12.9-inch, WiFi), released on 2017-10-16T17:04:09Z. The update package is 108.75 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: 05b3c8d8643121b5be01924434bfaa55d1f63ac0.zip.