Well, iOS 7.1 is now officially the newest update for your iDevices , and if you want to update/restore , it will have to be to this iOS 7.1 , which doesn't have a jailbreak , and most likely never will until iOS 8 and its respective jailbreak are released.
We're going to teach you small but super useful tips so you don't lose your jailbreak because of a badly installed tweak or because you changed something in your iDevice 's settings.