Good morning, @elliemenzies   Welcome to TPG Community!   I checked your account and learned that you are under our NBN FTTP (Fibre to the Premises) technology which is not affected by the limitation of the copper network. Only FTTN/FTTB technologies are affected by the infrastructure limitation of the legacy copper network that's why some customers which applied to our NBN 100/40 Mbps plan was not able to receive the expected sync speed. If you are experiencing speed issues with your NBN FTTP service, we are glad to help you in resolving it. Are you able to provide us some screenshots of your speed test result? Also, is it time specific?   Kind regards, ... View more