The Spreadtrum Driver (also known as SPD USB Driver) is important for connecting your Spreadtrum/Unisoc-powered smartphone or tablet to a Windows computer. It enables file transfer, firmware flashing, debugging, and other advanced operations.
How to Install the Spreadtrum Driver
Before you begin, ensure you have the necessary prerequisites.
Prerequisites
- A Windows PC (32-bit or 64-bit).
- Spreadtrum/Unisoc device with a USB cable.
- Administrator privileges on your computer.
- Download the latest Spreadtrum Driver package.
Steps to install the Spreadtrum Driver
- Download the Spreadtrum Driver package. After downloading, extract the ZIP file to a convenient location on your computer.
- You should see files like: DPInst32.exe (for 32-bit Windows) and DPInst64.exe (for 64-bit Windows).
- Right-click on the appropriate file based on your system: 32-bit Windows → Double-click DPInst32.exe or 64-bit Windows → Double-click DPInst64.exe. Run it as Administrator if prompted.
- The Spreadtrum Driver Setup window will appear.
- Click Next to proceed.
- The driver will install automatically. This usually takes only a few seconds.
- Once finished, click Finish to close the setup window.
- Restart your PC to ensure the drivers load properly.
Troubleshooting Tips
- Driver not detected: Try running the installer as Administrator or install manually via Device Manager.
- Windows 10/11 security warning: Click “Install this driver anyway” if SmartScreen blocks it.
- Device shows as Unknown: Use the manual installation method (right-click in Device Manager → Add legacy hardware).
- Still facing issues? Download a newer version of the driver (e.g., SPD Driver R4.24.2705).