The helper package usually includes the necessary USB drivers . Ensure these are installed, or your PC won't "see" the iCopy.
Read and write the EEPROM chip data to prevent "Unknown Part" warnings. Troubleshooting Connection Issues icopy plus 2.1 software download
Look for "QianLi Repair Helper" (currently in version 6.0 or higher). This is the driver and interface for all iCopy devices, including version 2.1. The helper package usually includes the necessary USB