I have followed instructions on how to downgrade to version 1.1.4 for my old iPhone on my my mac, every thing works fine until I get to the bit where I have to restore the phone using favourite unlocking method to kick your iPhone out of restore mode and unlock it. For some reason non of the unlocking methods can detect the phone (iTunes can't either). Could someone please help and suggest some explanations as to why this may happen and advise me on a solution.