iPadOS 12.0 (build 16A5327f) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2018-07-17T17:05:54Z. The update package is 402.1 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: 62067b9886c1a134ed1e75a29edb1fa16988a31e.zip.