iOS 7.1 (build 11D169) is an official Apple over-the-air update for the iPhone 4 (GSM), released on 2014-03-10T16:58:58Z. The update package is 1.11 GB. This is a delta (partial) update that requires null already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: f1ce46663a0b8fb239feb2e773f8df4327397d25.zip.