Open the extracted folder and navigate to the subfolder.
Choose the driver matching your system type (64-bit or 32/86-bit) and run the installer as an administrator. : mtk gsm sulteng tool v139 install
: MediaTek USB Drivers and USB DK must be installed on your PC for the tool to recognize your device. Open the extracted folder and navigate to the subfolder
: A high-quality USB data cable and a functioning USB port. mtk gsm sulteng tool v139 install