iOS 8.0.1 (build 12A402) is an official Apple over-the-air update for the iPhone 4s, released on 2014-09-24T17:53:04Z. The update package is 1.63 GB. This is a delta (partial) update that requires 6.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 0e6045906c49ec69066c0019f0ef0426654517cf.zip.