iPadOS 12.2 (build 16E5223a) is an official Apple over-the-air update for the iPad Air (China), released on 2019-03-11T17:08:21Z. The update package is 185.96 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: 9e77a6f57870c90222dfa0e51a7ba3a7e28c968d.zip.