iPadOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2017-12-02T08:10:11Z. The update package is 355.8 MB. This is a delta (partial) update that requires 11.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4b11edf25b8a7c7a13618bc1daa5936c902dfc00.zip.