All you need is to navigate on your iphone to Settings>General>Scroll Down to Profile (that's where the tethering hack file is located)>Remove. Hope that helps
I am not sure I understand where is the profile information. I am using a 3g iphone. I thought there was a file that could be option restored back on the phone to write over the old.
All you need is to navigate on your iphone to Settings>General>Scroll Down to Profile (that's where the tethering hack file is located)>Remove. Hope that helps