iPadOS 12.1 (build 16B92) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-10-30T17:05:13Z. The update package is 1.59 GB. This is a delta (partial) update that requires 10.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2b3593fa5bc7ee3d4a4d54f9046091e72bd540ff.zip.