iOS 8.0.1 (build 12A402) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2014-09-24T17:53:05Z. The update package is 1.17 GB. This is a delta (partial) update that requires 7.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 170971985f3bf96acba5f9d6c09e6201475d0f3a.zip.