iOS 9.3.5 (build 13G36) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2016-08-25T16:53:31Z. The update package is 360.16 MB. This is a delta (partial) update that requires 9.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: c755446671e645fe1fc8ad09f0971faf3627e849.zip.