iPadOS 11.1 (build 15B5086a) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2017-10-16T17:04:05Z. The update package is 105.04 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: b18c554b185bd1f3740aad5cf5373ff133cdc9ac.zip.