Hi, I recently have the NBN Cable Broadband SL Bundle Standard installed at my house, however, I am wondering if I can upgrade to NBN Standard Plus ($69.99 /month). I have tried to follow the instructions to change plan from"My account" but I receive the 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 also tried to call the number but no one available on call. I also tried to start the PLAN CHANGE & MOVING HOME LIVE CHAT for over an hour and receive the message:  Our team members are currently serving other customers. We appreciate your patience. Please try again later. Would you be able to assist me with my enquiry to change plan? Thank you. Nam ... View more