iPadOS 12.0 (build 16A366) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-09-12T19:05:53Z. The update package is 1.58 GB. This is a delta (partial) update that requires 10.3.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a51315236d2346fecacd0d2a7549238bafedd3c4.zip.