iOS 7.1.1 (build 11D201) is an official Apple over-the-air update for the iPhone 4 (GSM / 2012), released on 2014-04-22T17:56:17Z. The update package is 152.06 MB. This is a delta (partial) update that requires 7.0.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 399e59d91cb1331e93d561033a552c2e04f2f51f.zip.