iOS 9.0.2 (build 13A452) is an official Apple over-the-air update for the iPhone 4s, released on 2015-09-30T17:58:31Z. The update package is 31.91 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: 29d9cc20d0e81d4cfa63ccc784f3303262deec82.zip.