iOS 12.4 (build 16G5077a) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2019-07-16T17:39:37Z. The update package is 284.66 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: 89b8dafe192c04db6db2c679ec9c0691005fb799.zip.