iPadOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2017-10-23T17:05:34Z. The update package is 30.65 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: ca20aa05e9c4a6adf520fd4d39fcf547458d048f.zip.