Thanks Karl,    I had already gone through the process to upgrade my NBN Plan to the highest speed; NBN100 80.1Mps.  Having followed your instructions to upgrade my Account again, I receive this error:   << "Unfortunately there was an unexpected error when submitting your registration. We apologise for the inconvenience caused. Please contact TPG Customer Service on 13 14 23 for further assistance. When contacting TPG, please quote this error code: < E:adsl_comm:thread_exists > ">>   I've since called TPG and am in the queue for a call back in the next 1 hour. Is there anything you can do to assist me on your side? ... View more