iOS 12.4 (build 16G5077a) is an official Apple over-the-air update for the iPhone SE, released on 2019-07-16T17:39:43Z. The update package is 286.14 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: ad34a731b101675b6fa6b6db59b5f058e684b951.zip.