IPhone 4 won't restore to any Firmware any more

I tried deleting the host file when itunes 3194 error using the ios 5.1.1 but still the same. So tried to restoring it with redsn0w but it won't continue fro some reason.
i used to restore to ios 6.0.1 with no error but it shows an other error 1604!
Note: my iphone is kinda messed up cause i deleted cydia somehow thinking it was the reason why i couldn't restore…

Its done updating so you can't do anything so apple said f u c k iphone 4

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