If you flash the wrong preloader or a virus corrupts the boot sector, the device becomes a "paperweight." ST MTK Universal utilizes BROM Mode (BootROM) to force the chip to accept a new bootloader, even if the device shows no signs of life (no LED, no vibration).
: Effectively removes Google Factory Reset Protection (FRP) on supported MediaTek devices, including newer models running Android 10 and 11. Screen Lock Removal st mtk universal