You must have the correct MTK USB Drivers and LibUSB installed on your PC for the tool to recognize the device in BROM/Preloader mode.
Once you have downloaded the tool, follow these general steps to use it: mtk gsm sulteng tool v139 link
The (also known as v1.3.9) is a specialized Windows-based utility developed by Hary Sulteng for servicing MediaTek-powered smartphones . It is widely used by technicians for bypassing security locks and fixing software issues across popular brands like Vivo, Realme, Xiaomi, and Samsung. 📥 Download MTK GSM Sulteng Tool v13.9 You must have the correct MTK USB Drivers
: Removes Factory Reset Protection (FRP) on various models, allowing users to regain access to their devices after a reset. Mi Cloud Removal mtk gsm sulteng tool v139 link