Beyond IMEI repair, the tool often includes utility features such as:

If your device supports dual SIM cards, fill out the field. Step 3: Establish Device Connection Power down the Spreadtrum phone completely.

Once the application opens, click on the option.

: Capable of writing IMEI 1 and IMEI 2 simultaneously.

: Changing an IMEI to match another device is illegal in many regions.

Release the boot key when the Windows Device Manager populates a new entry under Ports (COM & LPT) labeled or SCI USB Flash Serial . Step 4: Execute the NVRAM Repair Click the Start or Write button inside the tool interface.

“The 2021 SC7715 tool finally fixed the CRC error I was getting with the 2018 version. Wrote IMEI on an Itel A23 in under 30 seconds.” —

| Error Message | Likely Cause | Solution | |---------------|----------------|----------| | No DIAG port found | Drivers not loaded or phone not in download mode | Reinstall drivers, try Vol+/Vol- combo | | Handshake failed | Wrong COM port or phone powered on | Ensure phone is powered off before connecting | | Write error at address 0x.. | Corrupted IMEI partition | Use the option first | | Checksum mismatch | Tool version mismatch with firmware | Download the correct 2021 version for SC7715 | | Access denied | Lack of admin privileges | Run the tool as Administrator |

Right-click the primary execution file (usually WriteIMEI.exe or SPD_IMEI_Tool.exe ) and select . Step 4: Configure the Tool

: You must install the Spreadtrum (SPD) USB drivers on your PC to ensure the device is recognized in "Download Mode" or "VCOM Mode."

Here is a detailed breakdown of its key features and capabilities.