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 60.29 MB. This is a delta (partial) update that requires 11.2.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 8accb88c502f1645259f712eb68c901097733f07.zip.