iPadOS 12.1.1 (build 16C50) is an official Apple over-the-air update for the iPad mini 3 (China), released on 2018-12-05T18:08:04Z. The update package is 381.48 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 3fe4deae94b5624df853f051202b8abad275042f.zip.