iPadOS 12.4 (build 16G5046d) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2019-06-11T17:07:03Z. The update package is 225.41 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: 259ad5ae79f7743eb17a22d755eb0bcc5b5bca87.zip.