iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2017-11-09T18:07:45Z. The update package is 39.01 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 40ebfe3ff3802fc7ed6c50c6994410953b6e9663.zip.