iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2017-11-09T18:08:53Z. The update package is 41.64 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: b8b07d31e1d6f7413c1d26e27b7bae4625865534.zip.