iPadOS 11.1 (build 15B5086a) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2017-10-16T17:04:10Z. 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: 75e1fa3c98e902c3e16feb45c25e7cac1a6f016c.zip.