iPadOS 12.0 (build 16A5288q) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2018-06-05T09:51:51Z. The update package is 1.13 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: a836e031f84b4ab4daa20a231d00853b0eb4b422.zip.