iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad 5 (Cellular), released on 2017-11-09T18:07:45Z. The update package is 1.03 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: a39c6dbae9f71a4ae2619ac59a5e1727d3c679b5.zip.