iPadOS 11.2.2 (build 15C202) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2018-01-08T18:14:15Z. The update package is 65.31 MB. This is a delta (partial) update that requires 11.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 22b0ce19bbe8b6c7b44ba7d74cbbf1d5a168e261.zip.