iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-10-30T17:05:02Z. The update package is 1.56 GB. This is a delta (partial) update that requires 10.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 93feb39e5ce4c9b5de8bb55fcc6e16bf06840cdb.zip.