either through its built-in software or by using a USB drive with the correct files.
Press and hold the physical power button on the TV (not the remote). While holding it, plug the TV back in.
Release the button when you see an "Upgrading" message or a blinking LED. Do not turn off the power during this process, which usually takes about 4 minutes. TCL LED43S4900 Key Features This model is a Full HD Smart TV launched in 2017.
either through its built-in software or by using a USB drive with the correct files.
Press and hold the physical power button on the TV (not the remote). While holding it, plug the TV back in.
Release the button when you see an "Upgrading" message or a blinking LED. Do not turn off the power during this process, which usually takes about 4 minutes. TCL LED43S4900 Key Features This model is a Full HD Smart TV launched in 2017.