Well I've jailbroken like a bunch of times. But I upgraded to 3.1 didn't like it, wait for official, so i downgraded to 3.0 (went through some hassle but got it) and now I'm wondering can I upgrade to 3.0.1 or will the baseband matter? Can i downgrade the baseband with fuzzyband? cuz I have 3.0 currently jailbroken