iPadOS 12.0 (build 16A5354b) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2018-08-13T17:03:29Z. 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: cc5d385ce4ad0f305e75fc911e1a74f2adb3fc2a.zip.