iOS 9.0.1 (build 13A404) is an official Apple over-the-air update for the iPhone 6, released on 2015-09-23T17:55:24Z. The update package is 42.85 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: 1c9b8faacdea0859f29eb44b2fe38874cce292ea.zip.