iPadOS 12.0 (build 16A5345f) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2018-08-06T17:06:05Z. The update package is 1.14 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: e194ac003f2fc3b241f629bffb6debcb69f9d968.zip.