iPadOS 12.4 (build 16G5038d) is an official Apple over-the-air update for the iPad mini 2 (WiFi), released on 2019-05-28T17:07:01Z. The update package is 194.09 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: d2a0d7756f945bbdc9aaa976a6838f02aba60f23.zip.