iPadOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPad Air (China), released on 2018-09-12T19:05:09Z. The update package is 1.57 GB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c851ce2f74d5e2aea82f085a1e995a58bda11aee.zip.