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I've tried everything.

  • reinstalling iTunes
  • restarting Apple Mobile Device
  • bought a different cable
  • restarting my laptop
  • restarting the iphone
  • checked for iTunes Helper Services
  • uninstalled and reinstalled Apple Mobile Device USBdriver

and still, my iPhone wont come up in iTunes but it does come up as my iPhone in My Computer as a portable device.

All I get in iTunes is iTunes could not connect to this iPhone. An unknown error occured (0xE8000084)

I've tried Googling for this error and no one else seems to have it.

share|improve this question
Have you reset the iPhone to a factory-fresh state? – IconDaemon Oct 12 '12 at 14:33

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