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Try make some sense first.

And some information would help too, what you're trying to Jailbreak, what program, what operating system. You know, the general stuff.
 
ok, i have a 1gen iphone and want to restore the phone with the 3.0 .ipsw before i run redsnow.
 
It really doesn't matter what the name is, as long as it ends in .ispw and it's the correct firmware for your device.
 
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