iPadOS 12.2 (build 16E5191d) is an official Apple over-the-air update for the iPad Air 2 (Cellular), released on 2019-02-04T18:05:49Z. The update package is 250.18 MB. This is a delta (partial) update that requires 12.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 57588357759e07160507085fc68b5d4bed869633.zip.