iPadOS 12.0 (build 16A5354b) is an official Apple over-the-air update for the iPad Air (China), released on 2018-08-13T17:03:22Z. The update package is 270.75 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5410ec26b6d1562a947dd53b44b5700acb409d33.zip.