iOS 8.0.1 (build 12A5402) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2014-09-24T17:53:02Z. The update package is 1.89 GB. This is a delta (partial) update that requires 8.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 07400136a6d2ab85d200b90bed07dc9e327c02a0.zip.