At the heart of this issue lies the (Virtual COM Port). Unlike standard ADB or MTP drivers that work after the OS boots, VCOM drivers are needed when your phone is fully powered off or in BROM (BootROM) mode .
Windows 10 introduces stricter driver signing policies compared to Windows 7 or XP. Mediatek VCOM drivers are or signed with an outdated certificate. Consequently, Windows 10 will often block the installation, showing a yellow exclamation mark in Device Manager labeled “Mediatek USB Port” or “Unknown Device.” mediatek usb vcom drivers windows 10
enables Windows 10 to communicate with MediaTek-based smartphones when they are in Boot ROM (BROM) At the heart of this issue lies the (Virtual COM Port)
Windows 10 often blocks VCOM drivers because they may lack a digital signature. For a successful installation, you must temporarily disable Driver Signature Enforcement. Mediatek VCOM drivers are or signed with an