iOS 9.0.1 (build 13A404) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2015-09-23T17:55:22Z. The update package is 862.68 MB. This is a delta (partial) update that requires 8.3 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: a36bb99ccb644ae6cede8fd0b3c715a4b6c9e655.zip.