iPadOS 12.0 (build 16A5364a) is an official Apple over-the-air update for the iPad Air (China), released on 2018-08-23T20:07:27Z. The update package is 1.14 GB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0b4e558068dfd527eb1b7db83455fa95de8ee939.zip.