Download SPD Upgrade Tool

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SPD Upgrade Tool (SpreadTrum Flash Tool) is a windows application that allows you to flash or install .pac firmware (ROM) on devices running on Spreadtrum/Unisoc Chipset.

Here on this page, we have shared the latest version of the SPD Upgrade tool and the previous versions.

SPD Upgrade Tool

Portable Application

It comes as a portable application, so you don’t have to install it on your computer to use it. Instead, download and extract the tool on your computer and open the UpgradeDownload.exe file to launch the Application.

Flash Firmware

It helps you to install or Flash Stock Firmware on Spreadtrum/Unisoc Powered Smartphone, Feature Phone, and Tablets. All you need to have the correct .pac firmware of your Spreadtrum/Unisoc Device > Install the SPD Driver > Launch the Tool > Click on Load Packet Button > Locate the .pac file from the firmware folder > Click on Start Downloading Button to begin the Flashing.

Support Spreadtrum Chipset

It comes in support of devices running on Spreadtrum/Unisoc Chipset. Once you have installed the Spreadtrum Drivers on the computer, the Upgrade Tool can easily detect the connected device and get ready to flash the firmware on the device.

Support .pac and .p5c Format

It supports the flashing of .pac and .p5c based Stock Firmware on the Spreadtrum/Unisoc Devices. Therefore, you can easily find the .pac file in the Stock Firmware of your Spreadtrum/Unisoc Smartphone, Feature Phone, and Tablets.

Download SPD Upgrade tool (SpreadTrum)

Upgrade Tool is compatible with all versions of Windows OS, including Windows XP to Windows 11 (x32 or x64 bit). If in case you were looking for the latest version of the Upgrade Tool, then use the following links to get it on your computer:

Version Download
R2.9.5005 Link
R2.9.6004 Link
R2.9.7001 Link
R2.9.7002 Link
R2.9.7003 Link
R2.9.7006 Link
R2.9.7007 Link
R2.9.7008 Link
R2.9.9001 Link
R2.9.9008 Link
R2.9.9009 Link
R2.9.9015 Link
R3.0.0001 Link
R4.0.0001 Link
R17.0.0001 Link
R17.17.1202 Link
R19.0.0001 Link
R19.17.4301 Link
R19.18.1001 Link
R20.0.0001 Link
R21.0.0001 Link
R22.0.0001 Link
R23.0.0001 Link
R23.19.4001 Link
R24.0.0003 Link
R25.20.3901 Link
R26.21.2801 Link
R27.22.4203 Link
R27.22.4204 Link
R27.23.0101 Link
R27.23.1301 Link
R27.23.1902 Link
R27.24.1301 Link

Notes

How to Use: If you want to learn to use the Upgrade Tool to Flash Stock firmware then head over to How to use SPD Upgrade Tool page.

Bin Packet load Error If you are facing Bin Packet Error while loading the .pac Firmware, then we recommend you to try with this version of SPD Upgrade Tool.

Alternative SPD Factory Tool and SPD Research Tool are the best alternatives to Upgrade Tool. Both tools are officially created by Spreadtrum and come with the same interface and features.

SPD USB Driver: If you are looking for the original SPD USB Driver, then head over to the SPD Driver page.

How to Write or Fix IMEI After flashing (installing) the stock firmware on Spreadtrum/Unisoc Device, you may need to Write or Fix the IMEI aswell. To fix the IMEI issue, use WriteIMEI or Read&Write Tool.

Credits: SPD Factory Tool is created and distributed by Unisoc Communications Inc. So, full credit goes to them for sharing the Application for free.