iPadOS 12.0 (build 16A5357b) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2018-08-15T17:06:26Z. The update package is 157.54 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: 50e56e203f401dd6f0edec595c51acf15cff4989.zip.