Click "Start" or "Write" and connect your device while it is powered off (you may need to hold a boot key like Volume Down). Confirmation:
While holding the boot key, connect the phone to the computer via USB. sc7715 imei tool download new
Search for and download the package online. Extract the downloaded zip file on your PC. Report: SC7715 IMEI Tool — Download & Usage
Always back up your phone's NVRAM/Calibration data before attempting repairs, as an incorrect write can lead to "No Service" or network locks. Repairing a null or corrupted IMEI after a
Press and hold the device's (usually Volume Down or Volume Up depending on the exact phone model).