Sorry to hear about the issue you're experiencing.
You can take a look here to see some tips for improving the wireless connection to a Roku device:
https://support.roku.com/article/213122277-tips-for-improving-the-wireless-connection-to-your-roku-s...
In general, you'll want to start by contacting your TV's manufacturer directly to report the issue you're running into and request help. Each Roku TV manufacturer provides primary support for their devices, and can best assist with additional troubleshooting and any other warranty related options.
Thanks,
Tanner
Sorry to hear about the issue you're experiencing.
You can take a look here to see some tips for improving the wireless connection to a Roku device:
https://support.roku.com/article/213122277-tips-for-improving-the-wireless-connection-to-your-roku-s...
In general, you'll want to start by contacting your TV's manufacturer directly to report the issue you're running into and request help. Each Roku TV manufacturer provides primary support for their devices, and can best assist with additional troubleshooting and any other warranty related options.
Thanks,
Tanner