Hi @ds888, we have created this community article which may help resolve the issue.
For WiFi issues, here are the articles that we've created to help you improve your home WiFi network.
If the issue persists, please send us a private message with your TPG customer ID, username and complete address sow e can pull up the account and look into this further.
To send a PM, please refer to this link: How do I private message (PM) in the community
We'd like to check on your account if what is the configured Upload speed for your plan.
Our NBN100 is configured to have a 20 Mbps Upload speed, which was applied around May 2020.
Check it here.
Please send me a PM with your TPG username or customer ID number to check on this further.