iOS 7.1 (build 11D167) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2014-03-10T16:58:49Z. The update package is 279.38 MB. This is a delta (partial) update that requires 7.0.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9127cea8be3d123f806eb4dc7fc6a285b22b1075.zip.