iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2018-01-08T18:13:34Z. The update package is 65.35 MB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 586bbff540f138d45a9fb4bf3c78a2a5c109fc74.zip.