I have a samsung moment that I seem to have inadverntantly disabled diagnostic usb access - if I have USB plugged in and then enable dial up networking in settings , USB disconnects - as soon as I disable DUN usb comes back up - I modified the setting in NV for scm from 3a to 2a and caused this, but I can't find a way to access non volatile memory any other way than through usb diagnostic mode - any ideas?