Search for your device model and "BIOS" or "Firmware".
Since firmware is device-specific, look for it in these places:
Use a hardware programmer (e.g., CH341A with NeoProgrammer software) to flash the chip:
Search for your device model and "BIOS" or "Firmware".
Since firmware is device-specific, look for it in these places:
Use a hardware programmer (e.g., CH341A with NeoProgrammer software) to flash the chip: