iPadOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-09-12T19:05:58Z. The update package is 1.18 GB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 4ba447fd83cd00e19bd210c86029692ad86fc59f.zip.