Used for hardware-level flashing when standard USB updates are not possible. How to Use the Backup Dump
The is a common LED TV "three-in-one" mainboard (integrating the power supply, LED driver, and motherboard) used in various budget 32-40 inch TV brands like Roxon , Geepas, and many others.
Load the RX40D16.bin file from your extracted .rar archive and write it to the chip.