Unbrick MediaTek Phones: It helps unbrick bricked devices (devices in bootloop) by connecting the device to the PC and thus recognizing the device to flashing tools.It comes in handy when a MediaTek phone is in a boot loop or stuck at the boot logo, then you can easily connect your phone to pc, and it will be detected. It allows windows PC to detect MediaTek phones on various flash tools (like SP Flash Tool) to flash files or make other changes. So it is just like the other USB Drivers, but it works in a different case. It let the PC know that a MediaTek phone is connected in switch-off mode. These are used to connect MediaTek phones with PC even without any battery inside the phone. These are the Preloader Drivers, also referred to as VCOM Drivers.