Enter the original IMEI into the tool, click "Write," and restart the device once the process confirms "Passed." ⚠️ Legal and Technical Warning:

This is a clear indicator of driver failure. Open Windows Device Manager, connect your phone in boot mode, and check for any yellow exclamation marks. Reinstall the SPD Drivers and try a different USB port (preferably USB 2.0).

The device's security structure or bootloader may be locked. In this scenario, you may need to use advanced professional tools like UnlockTool or CM2SP2 to format the corrupted NVRAM partition before attempting to write the IMEI again.

Once the process is complete, open your phone's dialer and type *#06# . Your original IMEI numbers should appear, and your network signal should restore within a few moments.

| Tool Name | Latest Version | Key IMEI Features | Other Notable Capabilities | | :--- | :--- | :--- | :--- | | | v10.00.01 | Repair IMEI 1 & IMEI 2. | Support for newer Spreadtrum models, improved stability, better USB detection. | | Avenger SPD (SPRD) | v2.8 | Fix/rewrite invalid IMEI numbers. | Flash stock ROM, remove FRP/screen/privacy locks, unlock bootloader, write firmware/serial/BT/WiFi. | | NCK SPD Module | v2.5 | Repair IMEI issues, write SN. | Fix baseband issues, reset privacy locks, backup/restore NVRAM. | | MRST UniSoc Tool | v1.0 | Repair IMEI 1 and IMEI 2. | No dongle required; Remove FRP, reset user data, unlock bootloader, SIM unlock. | | WriteIMEI Tool R3 | R3.0.0001 | Repair/rewrite invalid IMEI (1 & 2). | No dongle needed; restore Bluetooth and Wi-Fi MAC addresses, repair serial numbers. | | CM2 SP3 | v2.47/v2.48 | Repair invalid IMEI numbers. | Remove FRP, screen, and privacy locks. |

Locate the original 15-digit codes printed on the physical sticker underneath the phone's battery or on the original retail box.

Released in May 2026, this tool stands out for its diagnostic focus. While it can read IMEI information, its main utility lies in fixing after-flash errors. It is 100% free, offline, and portable.

The Ultimate Guide to Spreadtrum IMEI Repair Tools: Restoring Connectivity Safely

Here's a step-by-step guide on how to use the tool:

Double-check for accuracy; typing a wrong number will cause cellular validation to fail. Step 4: Connect the Device in Diag Mode Click the or Write button on the tool. Power off your Spreadtrum smartphone completely.

If you see these, your phone’s partition is empty. The new Spreadtrum IMEI Repair Tool is the solution.

: If using an APK-based changer directly on the phone, the device typically requires Xposed framework