iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2018-01-08T18:13:20Z. The update package is 359.21 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: e7df775624af29cd7e31e71c5f5c967aad0df85a.zip.