iOS 11.0 (build 15A5318g) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2017-07-10T17:00:08Z. The update package is 337.81 MB. This is a delta (partial) update that requires 11.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 434b73398be2f14315d0590be8f1d83a4ef3f467.zip.