Firmware acts as the "software for hardware," allowing the mainboard to communicate with other components like the display panel. How to Install Lloyd TV Software via USB
Press and hold the on the TV (not the remote) while plugging the power cord back in.
If your TV is working but you want the latest features, use the built-in Lloyd system update menu:
Place all downloaded RAR parts into one folder and extract them using a tool like WinRAR or 7-Zip. This will result in a single software file (usually with a .bin or .img extension).