iPadOS 12.0 (build 16A5345f) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2018-08-06T17:06:09Z. The update package is 1.16 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: 2f570e45c2294e3819fdddeeda843ec7e33b0a2d.zip.