iPadOS 12.4 (build 16G5027i) is an official Apple over-the-air update for the iPad mini 4 (WiFi), released on 2019-05-20T17:06:45Z. The update package is 206.65 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: efe2dd825dc0b54f973e5460e1779e1b6873e2ef.zip.