iPadOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2017-10-23T17:05:06Z. The update package is 1 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: f75cb77eec862a9c8081f403a96bff92d5a42420.zip.