iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2018-01-08T18:13:16Z. The update package is 1.05 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 525d278f70f487131249b80ff793e65d88f55360.zip.