you will lose your jailbreak if you update, and you cant use limera1n again you have to use redsn0w and itll be a tethered jailbreak someone correct me if im wrong please
well not entirely re-jailbreak but just connect it to your PC to run it in the jailbroken state so in a way yes and no, haha i know what you mean, just giving you a hard time lol jkjk