iOS 7.1 untethered jailbreak out of the question
 

It has been confirmed that the latest iOS firmware release kills the vulnerability exploited by evasi0n for iOS 7.x untethered jailbreak. If searching for a new vulnerability takes as long as it did the last time around, then it seems that an iOS 7.1 untethered jailbreak is out of the question at least for a [...]

http://vr-zone.com/articles/ios-7-1-...break-question