Sc7715 Imei Tool 〈PC Top-Rated〉

If your device has a UNISOC SC7731, SC8825, or SC9832, this specific tool may not work. You need the version matching your chipset.

: Enter the valid IMEI numbers into the designated fields and click "Write." A "Pass" message typically indicates success. Critical Considerations Legal Restrictions Sc7715 Imei Tool

You likely lost your calibration data (RF_NV). The tool only writes the IMEI string. You must restore a full NVRAM backup or reflash the original NVITEM partition. If your device has a UNISOC SC7731, SC8825,

| Error Message | Cause | Solution | |---------------|-------|----------| | "Port not found" | Drivers not installed or phone not in Diag mode | Reinstall Spreadtrum drivers. Enter *#*#83781#*#* and verify Diag is enabled. | | "Failed to open COM port" | Port is busy or wrong COM selected | Close other tools (e.g., ResearchDownload). In Device Manager, change COM port number (right-click port → Properties → Port Settings → Advanced → COM number 1-4). | | "Write Failed at 50%" | USB disconnection or low power | Use a different USB port (USB 2.0 preferred). Charge phone to 100%. | | "IMEI remains null after write" | NVRAM partition is corrupted beyond IMEI area | Use the Restore NVRAM function with a known good backup. If none exists, you may need to flash a full factory firmware first. | | "Tool crashes on launch" | Missing MSVC runtime files | Install vcredist_x64.exe from Microsoft. Run tool in Windows 7 compatibility mode. | | Error Message | Cause | Solution |

: This tool is specifically designed for devices powered by the Spreadtrum SC7715 chipset. It's essential to verify that your device uses this chipset before attempting to use the tool, as using it with incompatible devices can lead to issues.

No. IMEI writing requires direct access to the baseband processor, which Android’s security model prevents. PC software is mandatory.