Created by the preloader software after initial hardware initialization; this is the standard mode for most flashing operations. Microsoft Community Hub Manual Installation Steps
Created by the Boot ROM (BROM) for emergency downloads or when the device is "hard-bricked". MediaTek PreLoader USB VCOM Port: Driver Mediatek Usb Port V1632
[V1632] Bypassing SPI lock. Reading bootROM extension. Segment 0x7F00 found. Created by the preloader software after initial hardware
No. UNISOC (formerly Spreadtrum) requires completely different USB drivers (SprdUsbSer.sys). Driver Mediatek Usb Port V1632