iPadOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2017-10-23T17:05:07Z. The update package is 163.46 MB. This is a delta (partial) update that requires 11.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cc79e685e737e8d2b1c7b3cb45189800ec3c52f6.zip.