iPadOS 12.0 (build 16A5308e) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-06-19T17:04:21Z. The update package is 1.12 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: 8505ac0c26d5c3af41488b7f0c76e56835b12d01.zip.