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    Unhappy Attempted unroot of Thunderbolt, "Update Fail"

    I went to unroot my phone today, everything seemed to go fine, but then while it was updating from the PG0IMG.zip, I received this message:
    "Main Version is older!
    Update Fail!
    Press <POWER> to reboot."

    When I press power to reboot, it immediately enters HBOOT. I tried deleting the PG0IMG.zip file. Still went immediately into HBOOT. I tried using the newest RUU for the latest ICS update on Thunderbolt, and it returned the same message. Help??

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