iOS 7.1 (build 11D167) is an official Apple over-the-air update for the iPhone 4s, released on 2014-03-10T16:58:42Z. The update package is 193.01 MB. This is a delta (partial) update that requires 7.0 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 70b1a6e9f05f1a62c652aa01361dd6546e6e3597.zip.