iOS 7.1 (build 11D5167) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2014-03-10T16:58:11Z. The update package is 1.41 GB. This is a delta (partial) update that requires 7.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 1495f365f2aef0b0f45bd28948cd7a769a8c0049.zip.