How do I troubleshoot internet connectivity issues on my Smart TV?

Reset your router and modem: You can do this by unplugging the power cables of both devices for a few minutes and then plugging them back in.
Check Internet connection: Make sure your internet connection is working properly. If using Wi-Fi, make sure it is correctly connected and its signal is strong..
Update your Smart TV firmware: Smart TVs are shipped with a firmware that must be updated regularly. Check the manufacturer’s website to see if your model is in need of an update.
Check cables: If your TV is connected with an Ethernet cable, make sure it is in good condition and firmly plugged in.
Reboot your Smart TV: Unplug the power cable from the power socket, wait for about 60 seconds, then plug it back in and see if it works.
Perform Network Diagnostics: Make sure your network is correctly configured by performing a network diagnostics test on your Smart TV.