iOS 7.0.3 (build 11B511) is an official Apple over-the-air update for the iPhone 4 (CDMA), released on 2013-10-22T19:59:01Z. The update package is 50.26 MB. This is a delta (partial) update that requires 7.0.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 242393074878f75c6a5256a0c53ba92f0b88c5c1.zip.