A few months ago i had my iphone 4s jailbroken. Being completely idiotic i accidentally deleted cydia while deleting some winterboard stuff. I am not able to restore my iphone through itunes because it wants me to update to the newest software and it wont let me do that either. Since i no longer have access to the computer i used to jailbreak my iphone, I was wondering if i am able to restore using dfu mode..i'm aware that everything on my iphone will get deleted. I just want to make sure if this method will work?