iPadOS 11.1.1 (build 15B150) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2017-11-09T18:04:44Z. The update package is 1016.37 MB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 38b078ece54076f594816f512b9d90ff5f72f009.zip.