Open WriteIMEI.exe . In the settings or "Port" tab, select the COM port that matches your Device Manager.
Click the Write button. Once the process is finished, a "PASS" message will appear. Safety and Legal Considerations Sc7715 Imei Tool Download
The core function is to write a valid IMEI back to the device to restore network connectivity. Open WriteIMEI
Boot your device into Diagnostic (Diag) mode and connect it to your PC via USB. Sc7715 Imei Tool Download
Before starting, ensure you have installed the necessary Spreadtrum Drivers so your computer can recognize the phone in "Diag Mode".