iPadOS 11.2 (build 15C114) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2017-12-02T08:09:56Z. The update package is 355.85 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: 2486a28cbceaf3d64697d97ab82fdb38837a2530.zip.