iOS 12.4 (build 16G5056d) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2019-06-24T17:17:39Z. The update package is 344.27 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: 65991f4c20c5d5d3641086f7388dc5abc2eb672b.zip.