iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad Pro 9.7-inch (WiFi), released on 2017-11-09T18:07:57Z. The update package is 1.06 GB. This is a delta (partial) update that requires 10.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 42640acaebb6cd28f70261711dbefa8bfad2cb58.zip.