iOS 7.1.2 (build 11D257) is an official Apple over-the-air update for the iPhone 5s (GSM), released on 2014-06-30T18:00:04Z. The update package is 33.33 MB. 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: 76ba51b70cb43b7ccc4eafd3f464972a4ad46bca.zip.