iPadOS 12.0 (build 16A5364a) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2018-08-23T20:07:35Z. The update package is 1.17 GB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 942e7cdb576c1707104ec951b0663699e4e9083b.zip.