iPadOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2018-09-12T19:06:02Z. The update package is 1.26 GB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c2642ddb3411ab90fdbdb5aba63a7399a06d1116.zip.