iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-10-30T17:05:01Z. The update package is 1.56 GB. This is a delta (partial) update that requires 10.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 606ba1c69b00f8e5bd5c2b35f966241f384c6672.zip.