Welcome to TPG Community!
We were able to locate your account using your community details and tested the line, but was not able to detect any fault within the NBN network.
Could you try to turn off the modem for 30 seconds, then turn it on again to refresh the connection?
You may also try the troubleshooting that we've provided on our community article: Slow speed issue.
If the issue persists, please let us know.