SPD Upgrade Tool (also known as SpreadTrum/SPD Flash Tool) is a lightweight Windows application designed to flash or install .pac firmware (ROM) on devices equipped with Spreadtrum/Unisoc chipsets.
Features of SPD Upgrade Tool
The SPD Upgrade Tool offers several useful features to help you manage your mobile devices and fix software issues quickly.
Portable Application
Upgrade Tool is fully portable, meaning no installation is required. Extract the folder and run the executable file to start flashing your device right away without any hassle.
Flash Firmware
Easily install stock firmware on Spreadtrum/Unisoc smartphones, tablets, and feature phones. Just load your .pac file, connect your device, and click start to begin the automated flashing process.
Support Spreadtrum Chipset
This utility is specifically optimized for the Unisoc and Spreadtrum architectures. Once the correct drivers are active, the Upgrade Tool instantly recognizes your connected hardware for stable data transfer.
Support .pac and .p5c Format.
Upgrade Tool provides native support for both .pac and .p5c firmware extensions. This ensures you can flash a wide variety of stock ROMs found across different mobile brands.
Download SPD Upgrade Tool
The Upgrade Tool is compatible with all versions of Windows, from Windows XP to Windows 11 (x32 or x64). Use the following links to get the version you need:
| 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 |
| R27.24.2301 | Link |
| R27.25.4601 | Link |
Notes
- How to Use: Learn how to flash stock firmware step-by-step by visiting the How to use SPD Upgrade Tool guide.
- Bin Packet load Error: If you see an error while loading .pac files, we recommend using this specific version to resolve the issue.
- Alternative: SPD Factory Tool and SPD Research Tool are excellent alternatives. Both are official Unisoc tools with identical features.
- SPD USB Driver: For proper device detection, make sure to get the original SPD Driver before starting.
- How to Write or Fix IMEI: If you lose your IMEI after flashing, use the WriteIMEI or Read&Write Tool to restore it.
- Credits: SPD Factory Tool is developed by Unisoc Communications Inc. All credit goes to them for providing this utility for the community.
