iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad Pro (10.5-inch, Cellular), released on 2017-11-09T18:08:52Z. The update package is 1.19 GB. This is a delta (partial) update that requires 10.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: eecfc89b15fee0eb8e2b3588e727432548ca4385.zip.