iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-01-08T18:14:07Z. The update package is 1.1 GB. This is a delta (partial) update that requires 10.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: b4818d35d1f68421faaaf2445c9d9ae282ecdf27.zip.