iOS 12.4 (build 16G5027i) is an official Apple over-the-air update for the iPhone 8 (Global), released on 2019-05-20T17:07:10Z. The update package is 82.1 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: 4bb98bacdb3545d501f4ee0f150dedd1f91eb875.zip.