iPadOS 12.0 (build 16A5308e) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-06-19T17:04:19Z. The update package is 1.09 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: 9065f7ca6f4dc3718f9a8019b786def5664ce899.zip.