iOS 8.0 (build 12A4297e) is an official Apple over-the-air update for the iPhone 4s, released on 2014-06-17T18:45:06Z. The update package is 276.61 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: bc6a4dbeeab1ab2dd927d45179e783d5835041f4.zip.