iOS 9.0.1 (build 13A404) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2015-09-23T17:55:24Z. The update package is 1.1 GB. This is a delta (partial) update that requires 8.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 89463164c0d9915a33ea54f44c2564d619fd9280.zip.