iPadOS 12.0 (build 16A5354b) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-08-13T17:03:26Z. The update package is 1.17 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: dd0c271eb731a2d0a46f63bfa8b3eab144969913.zip.