Error occurs when one uses the "last ditch" method for preventing baseband updates on the iPhone 4. The baseband does not get updated using this method. Use TinyUmbrella to kick it out of Recovery Mode.
wold like to help, but have too few information on your system set up. Need to know are you under Mac osx or Windows? Have you jailbroken your device before? What iOS are u under? Could u give us your Consolle restore messages?
Error -1
Error occurs when one uses the "last ditch" method for preventing baseband updates on the iPhone 4. The baseband does not get updated using this method. Use TinyUmbrella to kick it out of Recovery Mode.
Have a look here:
http://theiphonewiki.com/wiki/index.php?title=ITunes_Errors#Negative_-1_..._-100