iOS 12.4 (build 16G5069a) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2019-07-09T17:16:23Z. The update package is 99.48 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: b816dd050443f2348e2e706d0828b4d54b5aa455.zip.