Understanding the CM2 SPD Driver The is a fundamental software package used by mobile technicians. It enables communication between a Windows PC and mobile devices running on Spreadtrum (SPD) or Unisoc chipsets.

Unisoc / Spreadtrum (SC7731, SC9832, SC9863A, Tiger series, etc.)

Newer versions of Windows restrict the installation of drivers without official Microsoft signatures. To prevent installation failures:

Look for a newly appeared device with a yellow exclamation mark under . Right-click the device and select Update Driver .

Open the extracted folder and find the driver setup file (usually named DPInst.exe or CM2_SPD_Driver_Setup.exe ). Right-click the file and select .