: Stands for Board Support Package . This implies that the binary was built directly from the fundamental software layer provided by the silicon manufacturer to ensure seamless interaction between the operating system and the hardware.
The "bsp" in the filename stands for . This means the binary has been specifically tuned for a particular hardware configuration—likely a custom PCB (Printed Circuit Board) layout where timing parameters for the RAM and power management ICs (PMIC) are unique. Using a standard preloader on these boards would result in a boot loop. 2. Version k62v164 Improvements preloaderk62v164bspbin exclusive
This is the first stage of the bootloader on MediaTek devices. It initializes the hardware (RAM, storage) and enables the device to communicate with flashing tools like SP Flash Tool . : Stands for Board Support Package