TCL L49C2US Firmware Software Download
TCL UHD-4K Smart Led tv
Resolution: 3840*2160
3 HDMI Ports USB 2.0 X 1, 3.0 X 1
Quad Core CPU
Download orignal software for free
To install software You will download the rar file and extract it
use usb 3.0 Formate usb in fat32
Copy the Update.pkg file in USB and attach it to the tv
Press and hold power button on tv and plugin power software update will start