SPD Androids have a firmware file with the .pac extension. Note that this tool is designed specifically only for spreadtrum Androids.
SPD ResearchDownload/ResearchUpgrade is supported by Windows; XP, VISTA, WINDOWS 7, 8, 8.1 and 10.
Here in this article, we provide you with the download link for SPD ResearchDownload R2.9.6004
How to install
This flash tool requires no special installation since it is just an executable file. To use, all you need to do is extract and run the setup.
Requirements to use
To use this flash tool, you will need;
- A PC or Laptop
- USB cable
- SPD USB drivers
- And the stock rom for your device.
FLASHING GUIDE: See how to flash spd devices from here
Download link
Download from the link below
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