iPhone Help iPhone iTunes restoration problem!

[ninjaiphone]

I tried to restore my ipHone through iTunes with the jailbreak on and it just says it can't be restored and stuck in usb cable to itunes recovery screen. What can i do?

 

[Intell]

Put it into DFU mode (Google it) and restore it. What error did it give you?

 

[ninjaiphone]

Put it into DFU mode (Google it) and restore it. What error did it give you?

error 21

 

[Intell]

Check your hosts file for lines referencing apple.com and remove them. Use Google to find out how to locate and edit your hosts file.