iOS 12.4 (build 16G5027g) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2019-05-15T17:05:52Z. The update package is 211.79 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: 44128c6631f99285d146120ca3dc12bf14cfa779.zip.