Unlike older MTK devices where SP Flash Tool could flash anything in preloader mode, MT6785 often presents a when using generic DA. To resolve this, you need:
The technician begins the "surgery" by gathering the necessary tools on a PC: MediaTek VCOM Drivers sp flash tool for xiaomi mtk mt6765 mt6785
Installed to ensure the PC recognizes the phone in flashing mode. Stock Firmware (Fastboot ROM): Unlike older MTK devices where SP Flash Tool