For customers experiencing any issues with their service, we recommend the best thing to do first is check if there's an outage.
If there are no known outages in your area, you can proceed with the troubleshooting steps indicated on this link: Troubleshooting No Internet Connection
Recent updates showed that NBN scheduled a planned outage to enable and install a new technology. This is to improve download capacity for customers as well as improve the overall performance of the network.
This has been completed and normal services should resume as normal.
Should you require further assistance, you may reach out to us again or you may check out our self-help options located here: http://tpg.com.au/support