To install the drivers, follow these general steps:
They are critical for restoring devices stuck in boot loops or those that are unresponsive. mediatek usb vcom drivers
If you must use the official VCOM drivers: To install the drivers, follow these general steps:
Once the Preloader successfully communicates with the host PC, it loads the Download Agent (DA) into the chip's RAM. The device re-enumerates—this time as a different VID/PID—and requires the DA-specific VCOM driver. This port is used for actual read/write operations to NAND/eMMC/UFS storage. This port is used for actual read/write operations
MediaTek USB VCOM (Virtual COM) drivers are software components that enable communication between a MediaTek-based device (e.g., a smartphone or tablet) and a computer over a USB connection. The drivers create a virtual COM port on the computer, allowing it to communicate with the device as if it were a serial device.
When a powered-off MediaTek device is connected via USB (or a testpoint is shorted), the chip's BootROM code runs. It enumerates as a generic MT65xx Preloader device. If the correct driver is installed, Windows will bind the "MediaTek USB VCOM Driver" to this device, creating a COM port. This is used for the initial handshake and to send the first-stage bootloader (DAA handshake).