Download SPD Factory Tool

You may flash the stock firmware (.pac) on Spreadtrum/Unisoc-powered smartphones, feature phones, and tablets using the simple Windows program SPD Factory Tool.

The most recent version of the SPD Factory Tool as well as earlier versions are available here on this website.

Download SPD Factory Tool

Features of SPD Factory Tool

Portable Application:

You don’t need to install it on your computer to use it since it is a portable application. To start the application, download and extract the tool to your computer, then run the FactoryDownload.exe file.

Flash Firmware:

On Spreadtrum-powered smartphones, feature phones, and tablets, it aids in installing or flashing stock firmware. The only thing you require is the proper Spreadtrum Device.pac firmware. Set up the SPD Driver Open the Tool > Click on Load Packet > Find the.pac file in the firmware folder > Click on Start Downloading > Click on Start Flashing to start the process.

Support Spreadtrum Chipset:

It is compatible with Spreadtrum Chipset-based devices. Once the Spreadtrum Drivers have been loaded on the computer, the Factory Tool will quickly identify the connected device and get ready to flash the device’s firmware.

Support .pac Format:

It permits the flashing of stock firmware for Spreadtrum devices that is based on the.pac format. Because of this, the.pac file may be easily found in the Stock Firmware of your Spreadtrum smartphone, feature phone, and tablets.

Download SPD Factory Tool

All versions of Windows OS, from Windows XP to Windows 11 (x32 or x64 bit), are compatible with Factory Tool. Use the links below to download the most recent version of the Factory Tool on your computer if you were seeking for it:

VersionDownload Link


[*] How to Use: Visit the How to Use SPD Factory Tool page to find out how to flash stock firmware using the factory tool.

[*] Alternative: The finest alternatives to Factory Tool are SPD Upgrade Tool and SPD Research Tool. Both programs have the same UI and functionalities and were officially developed by Spreadtrum.

[*] How to Write or Fix IMEI: You might need to write or fix the IMEI after flashing (installing) the stock firmware on a Spreadtrum/Unisoc device. Use WriteIMEI or Read&Write Tool to resolve the IMEI problem.