iOS 12.4 (build 16G5069a) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2019-07-09T17:16:18Z. The update package is 361.29 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: fd581de1f2c0c23b4fbf71aa7e5d33ef7821fb97.zip.