Welcome to the Community!
We'd really like to have a better understanding of what's happening with your service and see what can be done to get your connection up and running as it should be.
I've located your account using your Community details and was able to ran remote test.
Currently, the results does not show a physical fault with the line or with the network.
Actual speeds may vary due to many factors including type/source of content being downloaded, hardware and software configuration, the number of users, weak wifi signal, virus or malware infection, data congestions, etc.
Here is a great article at TPG Community with some helpful speed troubleshooting tips that may also assist you: https://community.tpg.com.au/t5/Featured-Articles/Troubleshooting-a-Slow-Internet-Connection/ba-p/1197
Please check it out and let me know if the issue persists.
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