iPadOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2017-10-23T17:05:28Z. The update package is 1.06 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c31d558bb8be4a2acea573c91f97414df98666e0.zip.