iPadOS 12.2 (build 16E5223a) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2019-03-11T17:08:26Z. The update package is 623.15 MB. This is a delta (partial) update that requires 12.1.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: fab20a41be3446861c5969d5e77d76347e751a5d.zip.