Welcome to TPG Community!
We tried to locate your account using your community details to no avail.
Your modem currently has the latest firmware available.
It's possible that the Mesh is interfering with the 2.4GHz network of your main modem/router, but you may also check the settings within the modem interface. We've created an article that will guide you with some steps to improve your network.
Let us know how it goes.