iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad Pro (10.5-inch, WiFi), released on 2017-11-09T18:08:51Z. The update package is 197.79 MB. This is a delta (partial) update that requires 11.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 6ff44708752d240d22d2f80343513e07a659725d.zip.