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 272.37 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: 60d5af9c2b52ec407a94fc5d4086506d05857d74.zip.