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 124.78 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: 4259f1fe8056e71b2ece8614ca052874669c9ce7.zip.