VCOM (Virtual COM) is a protocol that allows the PC to treat the USB connection as if it were a legacy serial port (COM port). Flashing tools like SP Flash Tool rely on this protocol to send firmware data to the Preloader.
When a MediaTek device enters Preloader mode (typically powered off + specific key combination or after battery removal), Windows 10 64-bit sees it as MediaTek Preloader USB VCOM Port but – manual intervention is required. mediatek preloader usb vcom port driver windows 10 64 bit
You can also check : When you connect the powered-off phone, “MediaTek PreLoader USB VCOM Port (COM3)” should appear and remain visible for at least 5-10 seconds. VCOM (Virtual COM) is a protocol that allows