iOS 7.1.1 (build 11D201) is an official Apple over-the-air update for the iPhone 4 (CDMA), released on 2014-04-22T17:56:18Z. The update package is 157.86 MB. This is a delta (partial) update that requires 7.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 32eafc270459c86700d30c96a11324a7fb2c7036.zip.