For customers experiencing any issues with their service, we recommend the best thing to do first is check if there's an outage on the NBN network.
Check our Service Status for any known outages.
If you're on NBN, we have created this article that can guide you on How to Check for NBN Network Outage
If there are no known outages in your area, customers can proceed with the troubleshooting steps indicated on this link : https://www.tpg.com.au/support/nbn-hfc-cable/problems_connect_internet_nbn_hfc
In your case, the connection has been stable for more than 2 days now. Feel free to message us should you need further assistance.