SPD Research Download Tool Download 2021 All Versions

SPD Research Tool is a simple Windows program that allows you to install or flash Stock Firmware on Spreadtrum Chipset-based devices. We’ve shared the official, tested SPD Research Tool All download link for Spreadtrum smartphones or tablets on this page. Anyone may quickly flash Firmware, SPD devices, remove FRP, update, and downgrade Firmware with the help of the SPD Research Tool All.

Below We are also sharing a step-by-step guide to install the Tool and use it.


What is SPD Research Tool?

  • SPD Research Tool (also known as Smartphone Flash Tool) is a software program that allows you to flash your smartphone. The SPD Research Tools are commonly used to download and upgrade the Firmware of Spreadtrum android phones. May use this to resurrect a dead Android phone and reset and repair a bricked device. You can also use it to put your memory to the test. You may also use it to flash or install any custom file on your Spreadtrum Device.SPD Research Tool R25.20.3901 Download Latest Version Official Tool

Feature Of SPD Research Tool

  • PAC Firmware: This Tool only supports PAC files. You can only use it on Spreadtrum devices. These are the most prevalent Spreadtrum firmware file types.
  • Memory Test & Format: It is capable of checking and testing external memory, RAM, EMMC, and Nand, and formatting devices automatically and manually, as well as a hard reset.
  • Support Access: This SPD Research Tool is compatible with all Windows versions, including XP, Windows 7, Windows 8, and Windows 10. (x32 and x64 bit).

Advantages of Tool:

  • SPD Research Tool is convenient because it is a portable application like SP Flash Tool. When compared to other types of tools, SPD Research Tools have numerous advantages. You don’t need a box/dongle to use it; You can only use it if you have it installed on your computer.

Difficulty using the Tool:

  • This Tool can erase all the data on your smartphone when you upgrade or downgrade your smartphone. Back up the necessary data first. After updating the firmware file, you may need pictures, movies, songs, documents, and other media on your device. However, you may need to restore your contacts and programs from a backup. So back up the files first.

Download SPD Research Tool All.

  • You can download the SPD Research Download Tool for all versions. The Firmware has been uploaded to Google Drive. Below are the buttons for downloading the Firmware. Clicking on it will download from Google Drive with 100% download speed.
  • .
  • File Name: SPD_Research_Tool_All.zip
    Operating System: Windows 32bit & 64bit
    How To Flash: Follow Tutorial 


How To use the SPD Research Tool All

  • >On your computer, download and extract SPD Flash Tool.
  • >Extraction of the Flash File Firmware Stock ROM.
  • >Install the Spreadtrum USB Driver on your computer
  • >Open SPD Flash Tool Folder (ResearchDownload.exe).
  • >Find the correct Pac Flash File Firmware Stock ROM.
  • >After you’ve found the Firmware, click the Begin Downloading option.
  • >Connect Your Spreadtrum Device in Flash Mode Now.
  • >You have seen a completed flashing notice.

How To Use ResearchDownload Tool?

  • Instruction
    1. Download the Firmware to your computer.
    2. Extract the file on your computer’s drive.
    3. Download the correct USB driver.
    4. Extract the file.
    5. Install the USB Driver.
    6. Download Research-Download Tool.
    7. Run the Research-Download Tool.
    8.  Should load PAC files from the retrieved flash file folder.
    9. Press and hold ‘Volume-up’ and ‘Volume-down’ keys
      Connect your Device using a USB Cable.
    10. Click the Start Download/upgrade Firmware of the SPD Research Tool Tool to start flashing.
    11. And wait for the process to finish, and please do not unplug your Device before completing the process.
    12. There will be a green ring display for quick success.

Readme Once:

  • Virus Status: Before uploading the SPD Research Tool All to our site, We tested the virus with Kaspersky Antivirus.
    USB Driver: You can download the Latest SPD driver Here if you are looking for a USB driver to connect to your smartphone.
    Firmware: If you are looking for firmware stock ROM to flash your Samsung smartphone, then Check Here
    Different Tool: If you want, you can flash on your smartphone with the SPD Upgrade ToolSPD Factory Tool, and QGDP Tool.
  • Credits: UniSoc Communications, Inc So, The entire credit for sharing the Tool for free goes to them.

Important Notes!

  • Bestflashfile.com is not responsible for any damage that happened to your Device (s) while following this guide, so please proceed at your own risk. However, we would be pleased to assist with any issues that are within our capabilities.


  • If you find any of our files or tools are not working correctly on your mobile phone, contact us and tell us about your problem, we believe we can solve your problem as soon as possible. If you are looking for any firmware, Stock Rom, or flash tool not listed on this website, You can report it from the contact above. We will upload it to this site as soon as possible.