SPD Upgrade Tool / SPD Research Tool / SPD Factory Tool .This is a common set of tools to flash the firmware of Spredtrum CPU. It is completely free and easy to use.

SPD_Upgrade_Tool_R21.0.0001

SPD_Research_Tool_R21.0.0001

SPD_Factory_Tool_R21.0.0001

Download:

SPD_Factory_Tool_R21.0.0001.rar – Latest | Mshare – Mediafire

SPD_Research_Tool_R21.0.0001.rar – Latest | Mshare – Mediafire

SPD_Upgrade_Tool_R21.0.0001.rar – Latest | Mshare – Mediafire

Spredtrum Drivers LATEST | Mshare – Mediafire