My iPhone will not restore.
It won't restore and a message comes up that says the iPhone could not be restored. An unknown error occurred(-1) . Anyone have any ideas on how to fix it?
iPhone 4, iOS 6
From http://support.apple.com/kb/TS3694#error1:
This may indicate a hardware issue with your device. Follow Troubleshooting security software issues, and restore your device on a different known-good computer. If the errors persist on another computer, the device may need service.