iPadOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-09-12T19:05:38Z. The update package is 1.21 GB. This is a delta (partial) update that requires 11.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1f3214f7563044b01632488c055e037ddf5a99d6.zip.