iPadOS 12.4 (build 16G5046d) is an official Apple over-the-air update for the iPad mini 4 (Cellular), released on 2019-06-11T17:07:04Z. The update package is 272.31 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: b45f5eb5ce64f52504da45cec999f821597251b6.zip.