iOS 9.3.4 (build 13G35) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2016-08-04T17:08:16Z. The update package is 1.14 GB. This is a delta (partial) update that requires 8.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 505652ed193c54707e3b08a5556658bea3115aa8.zip.