Finlay a long time after released iOS 7.1.1 Jailbreak. It’s first time of 7.1.x series jailbreak tool. Its happens to non factory unlock iDevice users.
A anonymous chines hacker team made this Jailbreak software, Which name is Pangu and it’s there 1.0 version of release.
How to Jailbreak:
Very easy to jailbreak like Evasi0n. However If you can follow here for more explained tutorial.