Ok, So I am on 3.1.2 and I am currently jailbroken with blackra1n. Is it safe for me to use redsn0w? Basically, blackra1n won't work on XP for me as I have jailbroken on Vista, but I'm sure redsn0w will work on XP. So is it safe for me to use? BTW I am on 3RD gen 8GB so it is tethered.