iPadOS 12.0 (build 16A5357b) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2018-08-15T17:06:24Z. 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: f7260c89f3b564e6000be6190c640e8c85b6b5de.zip.