To keep the preloader active longer (unlimited time), you need to use a "preloader bypass" or "BROM mode" tool like mtkclient or a hardware test point. This is advanced and voids warranties.
Connect your phone to the PC using a high-quality USB cable while holding the Volume Down button. nokia 2.4 preloader
If your phone is in preloader mode (PC constantly seeing Preloader connect/disconnect): To keep the preloader active longer (unlimited time),
Without the specific VCOM or Preloader drivers installed on your PC, your computer will not recognize the Nokia 2.4 when it is in its boot-level state. You typically need these drivers for: nokia 2.4 preloader
Its job is simple but critical: