Jailbreak iOS 7 for iPhone 5 and others devices has very big future. IOS 7 - Not Even Close! New Jailbreak iOS 7 Evasi0n tool will be released only after official iOS 7.0.1 release date. If you have jailbroken iPhone 5 or iPhone 4s on iOS 6.1.2 - stay on this iOS. But if you have iOS 6.1.3 - you can update iOS 7. IOS 7 has very big future. Jailbreak for iOS 7 also.