Open your flashing software (like SP Flash Tool) on your PC. Click "Download" or "Start" in the software.
If your phone is in preloader mode (PC constantly seeing Preloader connect/disconnect): nokia 2.4 preloader
If you have followed this guide and still cannot see the preloader, consider that your Nokia 2.4 may have a hardware failure (damaged USB port, dead battery, or corrupted eMMC storage). In that case, professional repair or motherboard replacement is the next step. Open your flashing software (like SP Flash Tool) on your PC
in SP Flash Tool unless you know exactly what you are doing. nokia 2.4 preloader
: Modern Nokia devices like the 2.4 often require an "auth file" or a specialized preloader to bypass Secure Boot and flash firmware using tools like SP Flash Tool Pandora Box UnlockTool Emergency Repair