iOS 8.0 (build 12A4331d) is an official Apple over-the-air update for the iPhone 5s (Global), released on 2014-07-21T17:54:05Z. The update package is 305.76 MB. This is a delta (partial) update that requires 8.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 5faf65f7c42209302a09e07e1f2f06922d1bf3e5.zip.