Get online support
Welcome to the community, lkkhoo!
It is possible that a Wireless Interference is causing slow Wi-Fi connection. We did an article that you may find helpful, this provides a basic troubleshooting to improve the Wi-Fi connection.
Please see the links below.
• Troubleshooting a Slow Internet Connection
• Easy Steps to Improve Wi-Fi Connection In Your Home
• Wireless Channel on your modem - what is it and why should I change it
Let us know how it will go.
Tried contacting TPG but after an half an hour wait the line was abruptly cut off. Extremely disappointing! Can someone from TPG call me ?