Use a utility like WinRAR to extract the multi-part files. This will typically result in a single software file, such as a .bin or Update.img file.
While holding the button, plug the TV back in. Release the button once you see a blinking LED or the update interface appearing. Download TCL LED49S4900 Firmware part01 part09 rar
If you have downloaded the multi-part RAR files (Part 01–09) for a manual update, follow these steps to prepare and install: Use a utility like WinRAR to extract the multi-part files
Occasional updates may introduce new feature improvements or UI changes. How to Install Firmware via USB which may take about before restarting.
Designed for seamless operation and to solve common software-related performance issues.
The TV will automatically upgrade the software, which may take about before restarting.