Hi @keigoleung,
For customers experiencing connection issues with their service, we recommend the best thing to do first is check if there's an outage.
Check our Service Status page 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, you can proceed with the troubleshooting steps indicated on this link:
I've ran a remote test and it does show that your service is now working. Please don't hesitate to reach out to us again should you require further assistance.
-Ahra_G
