iPadOS 12.0 (build 16A5365b) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2018-08-27T17:02:24Z. 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: 4b100c960009527902fde52ef38e0375f42dfb2e.zip.