iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2018-01-08T18:10:01Z. The update package is 1.07 GB. This is a delta (partial) update that requires 10.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9f4c6b608b3ec4af302e499fc85d5c669a0a1cb1.zip.