iPadOS 12.1.1 (build 16C5043b) is an official Apple over-the-air update for the iPad mini 2 (China), released on 2018-11-07T21:08:25Z. The update package is 223.39 MB. This is a delta (partial) update that requires 12.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c0123667f673a864a01a23306441838e923ed66f.zip.