iPadOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2017-12-02T08:10:01Z. The update package is 1.05 GB. This is a delta (partial) update that requires 10.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f32f742b95c159c32940526d83f3fbcac7565d01.zip.