iOS 8.0 (build 12A4297e) is an official Apple over-the-air update for the iPhone 5 (Global), released on 2014-06-17T18:45:06Z. The update package is 293.05 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: 55345ecb562e8bdef423d2b6629f32535bcec175.zip.