iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad Air 2 (WiFi), released on 2018-01-08T18:14:00Z. The update package is 359.18 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: 39fa6d7b4c8df87aa71628dcd9c2554a8d2287ce.zip.