: Active during the Boot ROM stage (initial power-on).
: Enables the use of tools like SP Flash Tool to install stock ROMs or custom firmware. driver mediatek usb port v1632 extra quality
When the list appears, press or 7 to choose "Disable driver signature enforcement". 2. Manual Driver Installation Mediatek PreLoader USB VCOM_V1632 other devices drivers : Active during the Boot ROM stage (initial power-on)