iPadOS 12.0 (build 16A5364a) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-08-23T20:07:33Z. 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: 84882195adae02d5b3a9351a770fdbe8ce64bf80.zip.