I have just been upgraded to an NBN50 plan today. I used to have NBN12. My download speed is great, however my upload speed is still only around 0.9 MBPS. I performed the speed test using the TPG provided tool. Thanks!
For customers experiencing any issues with their NBN service, we recommend the best thing to do first is check if there's an outage on the NBN network.
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_speed_nbn_hfc
An article is also available that will guide you in troubleshooting a Slow speed issue.
Feel free to search Community for help with your issue, or contact us and we'd be glad to assist you.