iOS 12.4 (build 16G5046d) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2019-06-11T17:07:40Z. The update package is 226.93 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: 67bcbab2fb945e22d0d928b48fb72530942024d8.zip.