iOS 12.4 (build 16G5056d) is an official Apple over-the-air update for the iPhone 8 (GSM), released on 2019-06-24T17:17:22Z. The update package is 217.89 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: 57bd58eb6f6a94fb1ce1410add66e541dbc8a6ff.zip.