: The PreLoader device appears on your PC for only 3–5 seconds when you plug in a powered-off phone. Your driver installation and flashing must happen within this window.
Installing the driver is half the battle. Now test it: how to install mtk driver mediatek preloader usb vcom
When the list appears, press or F7 to select Disable driver signature enforcement . : The PreLoader device appears on your PC
He extracted the files to a folder on his desktop. Inside, amidst the README files and legal text, lay the executable he needed: InstallDriver.exe . how to install mtk driver mediatek preloader usb vcom
This confirms the driver is active.