iPadOS 12.0 (build 16A5365b) is an official Apple over-the-air update for the iPad Air (China), released on 2018-08-27T17:02:14Z. 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: c7340d9ce3be89dff5ca9fb6e7d48df7583d94cb.zip.