To flash a Spreadtrum (SPD) keypad phone, you need a computer, the correct USB drivers, a compatible flash tool, and the exact stock firmware for your phone model.
⚠ Warning:
Flashing your device will erase all personal data. Using the wrong firmware can permanently damage (brick) your phone. Proceed carefully and make a backup if possible.
Flashing your device will erase all personal data. Using the wrong firmware can permanently damage (brick) your phone. Proceed carefully and make a backup if possible.
Step-by-Step Guide to Flash SPD Keypad Phone
1. Download and Install Drivers & Tools
- Download and install the correct SPD USB Drivers on your computer.
- Download a compatible flashing tool such as SPD Upgrade Tool or ResearchDownload Tool.
- Download the exact stock firmware (.PAC file) for your phone model.
- Ensure the firmware matches your device CPU (example: SPD 6531).
2. Prepare Flash Tool and Firmware
- Extract the downloaded flash tool and firmware files.
- Open ResearchDownload.exe or UpgradeDownload.exe.
- Click on Load Packet (gear/document icon).
- Select the firmware file with .pac extension.
- Wait until the firmware loads completely.
3. Start Flashing Process
- Power OFF your phone.
- Click the Start Download (Play icon) in the flash tool.
- Connect your phone to the PC using a good-quality USB cable.
4. Connect Phone Using Boot Key Method
To detect the phone in flash mode, press and hold one of the following keys while connecting USB:
- Volume Down
- Volume Up
- Middle (OK / Select) button
- Star (*) or Hash (#) key
Keep holding the key until the flashing progress bar appears automatically.
5. Complete Flashing
- Wait until the progress bar turns green.
- A Passed or Finished message will appear.
- Disconnect the phone safely.
- Power ON your phone (first boot may take longer).
💡 Tips:
- Use a USB 2.0 port if possible.
- Try a different USB cable if the phone is not detected.
- Some old China phones may require a test point method.
