🛠️ Download SPD Factory Tool (All Versions) – Official SpreadTrum/Unisoc Flash Utility SPD Factory Tool is a trusted service utility developed by SpreadTrum / Unisoc Technologies, designed specifically for flashing stock firmware on Android devices running SpreadTrum/Unisoc chipsets. Whether you’re reviving a bricked phone, removing screen locks, or bypassing FRP, this powerful tool handles it all with ease. 🔍 What is SPD Factory Tool? The SPD Factory Tool (also known as SPD Flash Tool) allows users to flash .PAC format firmware files on smartphones and tablets built on SpreadTrum (now Unisoc) architecture. It is widely used by technicians and advanced users to unbrick devices, remove FRP locks, fix software glitches, and perform full firmware upgrades or downgrades.
📥 Download SPD Factory Tool for Windows The SPD Factory Tool is a lightweight and efficient utility developed by Unisoc Technologies Co., designed specifically for flashing PAC-based stock firmware on devices powered by SpreadTrum/Unisoc chipsets. Whether you're troubleshooting software issues, unbricking a device, or removing FRP and screen locks — this tool offers a complete flashing solution.
✅ Step-by-Step Guide:
➤ 01. Download SPD Factory Tool
Get the latest version of the SPD Factory Tool from the link provided above.
➤ 02. Extract the Tool and Firmware
Unzip the SPD_Factory_Tool.zip and your PAC-based stock ROM to easily accessible folders on your PC.
➤ 03. Install SPD/Unisoc USB Drivers
Install the official SPD USB Driver. Without this, the tool won't recognize your device during flashing.
➤ 04. Launch the Flash Tool
Open the extracted folder and run the FactoryDownload.exe or UpgradeDownload.exe file.
➤ 05. Load the Firmware
Click the “Load Packet” or firmware load icon, then navigate to and select the .PAC file from your firmware folder.
➤ 06. Begin the Flashing Process
Click the Start button (usually a green arrow) to prepare the tool for flashing.
➤ 07. Connect Your Device
Power off your phone completely. Then, while holding the Volume UP + Volume DOWN keys, connect it to the PC via USB cable.
➤ 08. Wait for Completion
Once connected properly, flashing will start automatically. Wait for the process to finish. You’ll see a green PASS message when done.
⚠️ Important Notes:
🔋 Ensure your device has at least 50% battery before flashing.
💾 Always back up your data — the flashing process will erase everything.
🚫 Do not disconnect the device during flashing to avoid permanent damage.
⚠️ Caution
Before proceeding with the flashing process using SPD Factory Tool, make sure to take a complete backup of your important data. Flashing stock firmware will erase everything on your device, including:
📷 Photos & Videos
📇 Contacts
📁 Documents & Files
📱 Installed Apps & Settings
Once deleted, this data cannot be recovered, so backup is highly recommended before flashing.
🙏 Credits
All credit and appreciation go to Unisoc Technologies Co., the original developers and official distributors of the SPD Factory Tool. We are simply providing access to the tool for educational and repair purposes to support the Android servicing community.