Download SPD Drivers 100% Tested (Unisoc) – Latest R4.20.4201
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Download Spd Drivers 100 Tested Unisoc Latest R4.20.4201
Download the 100% tested SPD drivers (Spreadtrum/Unisoc), version R4.20.4201. Essential for flashing .pac firmware, repairing, and connecting SPD devices.
What Are SPD (Unisoc) Drivers?
SPD (Spreadtrum) drivers, now known as Unisoc drivers, are essential pieces of software that create a communication bridge between your phone’s hardware and your computer’s operating system.
You need them to use flashing tools like:
- SPD Upgrade Tool
- SPD Research Tool
- SPD Factory Tool
- Other professional tools (like FRT Tool Pro) that support SPD CPUs.
When you put your phone into flashing mode (usually by holding Volume Up + Volume Down and connecting the USB cable), your PC needs these drivers to detect the device and assign it a COM port for data transfer.
| File Name: | SPD_Driver_R4.20.4201.zip |
|---|---|
| Version: | R4.20.4201 |
| Status: | 100% Tested |
| File Size: | 32MB |
| Compatible OS: | Windows 7, 8, 10, 11 (32-bit & 64-bit) |
| Password: | frttoolpro.com |
| Rating: |
How to Install SPD Drivers (Easy Method)
This driver package includes an automatic installer, making installation very simple.
- Download & Extract: Download the
SPD_Driver_R4.20.4201.zipfile from the button above and extract it to a folder on your desktop using WinRAR or 7-Zip. - Disable Antivirus: (Optional but Recommended) Temporarily disable your antivirus, as it might block the installation.
- Run the Installer: Open the extracted folder. You will find installers for different Windows versions (e.g.,
DPInst64.exefor 64-bit,DPInst86.exefor 32-bit). - Choose Correct Version: Right-click on the installer that matches your PC (most modern PCs are 64-bit) and select “Run as administrator”.
- Follow Instructions: A setup wizard will appear. Click “Next” and “Finish” to complete the installation.
- Restart Your PC: Once the installation is complete, restart your computer to ensure the drivers are loaded correctly.
How to Check if Drivers are Installed
- Turn off your SPD phone completely.
- Open Device Manager on your PC (search for it in the Start Menu).
- Click on “Ports (COM & LPT)” to expand it.
- Now, press and hold the Volume Up + Volume Down keys on your phone and connect it to the PC with a USB cable.
- For a brief moment, you should see a new device appear under “Ports (COM & LPT)” with a name like “SPRD U2S DIAG” or “Spreadtrum Phone“.
If you see this, your drivers are installed correctly, and you are ready to use the FRT Tool Pro or other flashing tools.
