If you obtain the firmware file (often a .bin or .img file), place it on a FAT32-formatted USB drive.
Unplug the TV, insert the USB, hold the on the TV, and plug it back in. Release the button when the LED starts blinking. TCL Support Download TCL LED49S4900 Firmware part01 part01 rar
Select to let the TV automatically check for and install the latest software. Contact TCL Support : If you obtain the firmware file (often a
To download the firmware for the , you should first check for official updates through the TV's built-in network update feature or contact TCL support directly, as official direct download links for specific ".rar" firmware parts are rarely hosted on public TCL websites for older models. How to Update Your TCL LED49S4900 Network Update (Recommended) : TCL Support Select to let the TV automatically
Provide them with your TV's (found on the back sticker) to ensure you receive the correct version. Manual USB Update :