Install the Libusb-win32 and MTK USB Drivers . These are essential for the PC to recognize the phone in "BROM" mode. Launch: Run the executable as an Administrator.
Open the bootloader for custom ROM installation or rooting. download mtk gsm sulteng v1.3.4
Obtain the MTK GSM Sulteng V1.3.4 ZIP file from a trusted source. Install the Libusb-win32 and MTK USB Drivers