iPadOS 12.4 (build 16G5069a) is an official Apple over-the-air update for the iPad mini 3 (WiFi), released on 2019-07-09T17:15:44Z. The update package is 278.76 MB. This is a delta (partial) update that requires 12.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 2c9223f31675581643f86289e2a7e3ce9a64de77.zip.