If you need an academic or technical essay on (their legitimate use in embedded systems, firmware recovery, or mobile device repair), I would be glad to help with that. Alternatively, if you clarify the intended context (e.g., reverse engineering, hardware security research, or legacy device maintenance), I can tailor a responsible discussion.

: Users can format specific partitions or perform a complete firmware upgrade. how to install MTK VCOM USB Preloader Drivers

Warning:0;624; Deselect the "Preloader" if you are unsure about the firmware version to avoid bricking. 0;a13;