You are trying to roll back to a specific stable firmware version (like OS 4.5 or 5.1). Preparation: What You’ll Need
Before resorting to hardware programmers, use the Virus TI’s built-in bootloader recovery system to force the unit to accept firmware: virus ti rom bin install
The plugin will recognize the firmware.bin file and load the ROM, enabling the full Virus TI emulation. Troubleshooting ROM BIN Installation You are trying to roll back to a