iOS 6.1.4 (build 10B350) is an official Apple over-the-air update for the iPhone 5 (Global). The update package is 18.3 MB. This is a delta (partial) update that requires 6.1.2 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: ac9bf035deff4fe372dd88d30b33a990a899fbd7.zip.