If the TV cannot connect to the wifi network successfully, please follow the below methods to do the troubleshooting:
1. Switch to another wifi network.
2. Ensure the password you input is the correct one.
3. Check whether the SSID and the password of the wifi network include a special character.
4. Try to restore the TV back to the factory settings: press the Home button and select Settings Device Preferences Factory Reset.
If the issue cannot be resolved, please feel free to call the TCL hotline for further help.
