Because it uses an MTK processor, the device communicates with a PC via specific MTK VCOM Drivers and can be flashed using tools like SP Flash Tool. Unlike Qualcomm devices which have different emergency modes (EDL), MTK devices rely on Preloader mode for firmware flashing. Knowing that your device is MT6750 ensures you download the correct scatter file, as flashing a file meant for a different chipset (like MT6737) will result in a hard brick.