iOS 12.4 (build 16G5077a) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2019-07-16T17:39:28Z. The update package is 128.51 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: f2d125afb74d52da7dcbc4a02ee180cc75cf2d82.zip.