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 1.15 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: 1e8d286a199b609c2281f2ca6b83c525a35fd62e.zip.