iPadOS 12.0 (build 16A5308e) is an official Apple over-the-air update for the iPad Air (China), released on 2018-06-19T17:04:17Z. The update package is 504.43 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: 12d0099c9d1ec106a66525c7ab7d6e025295f4b2.zip.