iOS 7.1.2 (build 11D257) is an official Apple over-the-air update for the iPhone 4s, released on 2014-06-30T18:00:03Z. The update package is 1.2 GB. This is a delta (partial) update that requires 6.1.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ff47fd9537be1993095f5e25295411a8132fc794.zip.