iOS 12.4 (build 16G5056d) is an official Apple over-the-air update for the iPhone SE, released on 2019-06-24T17:17:36Z. The update package is 194.85 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: 94313bdf7b5e024b78af5c19bd7b6dfce2a45429.zip.