SPD Research Tool is an official application by SpreadTrum/Unisoc Technologies Co. The SPD Flash Tool helps you to flash PAC stock ROM your Android devices powered by SpreadTrum SOC. It also allows you to reset the FRP lock and Screen locks.

You will get the official link to download SPD Research Tool (latest and all versions) for Windows computers. We have shared it as a zip package, including the Tool, USB Driver, and Tutorial.

SPD Research Tool

Download Latest SPD Research Tool For Windows

SPD Flash Tool allows you to install PAC-based stock ROM on your spreadTurm-powered smartphone and tablets. We recommend using the latest version of this tool.

Tool Name: SPD_Research_Tool.zip
Author: Unisoc Technologies Co

R27.23.1902 (Latest) Download
R27.23.0101 Download
R25.20.3901 Download
R24.0.0003 Download
R23.19.5101 Download
R23.19.3301 Download
R23.0.0001 Download
R22.19.1301 Download
R17.0.0001 Download
R8.0.0001 Download
R7.0.0001 Download
R6.0.0001 Download
R4.0.0001 Download
R3.15.4901 Download
R3.0.9000 Download
R3.0.0001 Download
R2.10.1003 Download
R2.10.1001 Download

How To Flash?

  1. Firstly, download SPD Research Tool.
  2. Secondly, extract stock ROM on your computer.
  3. Install SPD USB Driver on your computer. Otherwise, the tool never detects your device
  4. Thirdly, open the tool.
  5. Now, click on the firmware loading button. Then, follow the following steps.
  6. Now, locate the stock ROM (PAC format).
  7. After choosing the stock ROM, then click on START Button.
  8. Connect your device by holding Volum UP and Volum DOWN keys.

Readme once

[*] Scan: Firstly, we scanned the tool using Kaspersky Antivirus. Then, we uploaded it on gsmofficial.com.

[*] Caution: Take a backup of your important data before using the SPD Research Tool. Because your photos, contacts, and documents will erase from the device after flashing stock ROM.

[*] Credits: Full credit goes to Unisoc Technologies Co. Because they created and distributed this tool for free.

[*] USB Driver: We have shared some USB Drivers for connecting your device to the computer. i.e., SPD USB Driver.

[*] Alternative Tool: We have shared some alternatives flash tools for installing stock ROM on your mobile devices. i.e., SPD Upgrade Tool and SPD Factory Tool.