iOS 12.4 (build 16G5027i) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2019-05-20T17:07:33Z. The update package is 211.35 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: 129b45f34f4f3590a3a5d4f2c5b17e9c03251442.zip.