iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2017-11-09T18:07:14Z. The update package is 1.08 GB. This is a delta (partial) update that requires 10.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0709d84dc7fbb356256f4327bde8817ecfb826e1.zip.