iPadOS 11.1 (build 15B93) is an official Apple over-the-air update for the iPad Pro 12.9-inch (Cellular), released on 2017-10-23T17:05:39Z. The update package is 1.12 GB. This is a delta (partial) update that requires 10.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0e6d49293f87b933bd70b87309f8a18b25b67548.zip.