iPadOS 12.4 (build 16G5077a) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2019-07-16T17:39:00Z. The update package is 140.83 MB. This is a delta (partial) update that requires 12.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 31acf70c2754345cd668bae944bcfef9e3a5915c.zip.