iPadOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-09-12T19:05:36Z. The update package is 1.57 GB. This is a delta (partial) update that requires 10.3.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 45dfdb9416d900146a67dfed887a3b02d19da92e.zip.