R4i Gold, R4 3DS, R4iTT, or any card labeled "Dual-Core" or "2025" – those require completely different kernels.
Open the extracted folder and navigate to the x86 (for 32-bit systems) or x64 (for 64-bit systems) folder. Right-click and select Run as Administrator .
Connect your SPD device to the PC while holding the buttons. Open Device Manager on your PC.
You will likely see an "Unknown Device" or "Spreadtrum COM Port" with a yellow triangle.
