Error 1011, 1013, 1015 After the restore is complete :
Error 1604 :
well, you can just follow this method to rectify this problem http://support.apple.com/kb/TS1458
Error 1, 2, 3, 4, 6, 20, 22, 33, 56, 60 etc…
Error 1600 :
Go to C:\Documents and Settings\USER_NAME\Application Data\Apple Computer\iTunes\Device Support
and delete all the files inside that folder.. you will be able to se “xxx_….IPSW”.. just delete it.. Now restore the iPhone in DFU mode… it should work
****Above all these check if u have downloaded the right firmware. I have seen many people downloading the firmware of iTouch and restoring it for iphone. So kindly check before you download.