iOS 12.4 (build 16G5027g) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2019-05-15T17:05:35Z. The update package is 233.21 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: 95250074772ad21fff3c737f1d5f6e78fa3f0fb0.zip.