iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad Air (WiFi), released on 2018-01-08T18:09:37Z. The update package is 330.78 MB. This is a delta (partial) update that requires 11.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dd6bc6270180a88451209450892efe73cd8d98a6.zip.