So hopefully Apple gets my phone replaced out of warranty and all, they got it today so I should be getting it back next week sometime. Of course as soon as I activate it I'm going to jailbreak it using redsn0w I guess, but I have dial up so I don't want to try to download the ipsw for my phone. Is there a way to "copy" the firmware off of my phone to use in redsn0w? Like does backing it up back up the firmware too? Or is there a jailbreak that is one click for 4.0 (Spirit, blackra1n)? I assume my replacement phone will have 4.0 or 4.0.1 on it but if nothing else I can downgrade it since it's a 3G.