Let's fix this luckeeetoo! Try changing the pin by following the steps here http://vz.to/1rMoD3W If you still need assistance please reply to my direct message so I may further assist. Thank you.
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As crazy as it sounds, try changing the PIN to what it already says it is - , or go back even further and set up a "new" account but use the same PIN. This happened a long time ago when I was trying to back up a basic phone....and once I set up the "new" account with the same PIN, it all worked. I have no idea why.