iPadOS 12.0 (build 16A5357b) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2018-08-15T17:06:21Z. The update package is 297.59 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: 410b9fcaf524a13c093d38c00e67ccf63a0d7dfa.zip.