Load your from your stock firmware folder.
If you have any of these, your Preloader is corrupted. Standard flashing will work. mtk preloader repair tool fixed
After writing the new Preloader, the tool sends a "reset command." The phone reboots. This time, the brand-new Preloader executes correctly, initializes USB, and voila—the phone enters standard Download Mode. Load your from your stock firmware folder
No charging animation. No vibration. Not even a logo. Your computer still detects it—but only as “MTK USB Port” or “Preloader” for a split second before it disappears. the brand-new Preloader executes correctly