Evasi0n Jailbreak can be applied on 6 to 6.1.2 iOS version, so 6.1.3 iOS version can only be jailbroken with Redsn0w. Read how to achieve that for FREE!
Jailbreak iPhone 4 with Evasi0n on linux machines, is as easy as is for other operating systems and it is FREE to download it from their official website.
The new formed team was named Evad3rs and the tool that could Jailbreak iPhone 5 is called evasi0n. Evasi0n was using specific exploits of iOS 6 and Apple could not patch them until now. Evasi0n cannot Jailbreak iPhone 5 with the latest iOS version on it.