iOS 8.0 (build 12A365) is an official Apple over-the-air update for the iPhone 5 (GSM), released on 2014-09-17T17:54:04Z. The update package is 957.16 MB. 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: 070f7b4ce93d3e64a28caa869f87338d975749dc.zip.