iPadOS 12.4 (build 16G5046d) is an official Apple over-the-air update for the iPad mini 5 (WiFi), released on 2019-06-11T17:06:51Z. The update package is 321.79 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: 087938e45ad2c330dacf7dc43ca0d2ec8dfe72ef.zip.