iPadOS 12.0 (build 16A5366a) is an official Apple over-the-air update for the iPad mini 3 (Cellular), released on 2018-08-31T17:07:19Z. The update package is 73.47 MB. This is a delta (partial) update that requires 12.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0dd8f20093403ad10823102f7c988b2bbc6641bd.zip.