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Coolsand Rda Imei Repair Tool

Incorrect usage of such tools can potentially damage the device's core system or "brick" the hardware.

Choose "USB Mode" or the specific COM port if using a serial cable. Connect the Phone: Power off the phone. Remove and re-insert the battery.

Preferably running Windows 7 or Windows 10 (with Driver Signature Enforcement disabled). coolsand rda imei repair tool

Change the boot selection dropdown menu in your servicing software to a different version or tick the "Auto Detect" box. Ensure you are holding the correct boot key firmly until the software acknowledges the handshake. IMEI Displays "Unknown" or "Null" After Successful Write

| Feature | Official RDA IMEI Tool | Infinity CM2 Tool | ProductLineTool (wimei) | RUDRA (Open Source) | | :--- | :--- | :--- | :--- | :--- | | | Dedicated IMEI/MAC writing | Full service & repair suite | Specialized module IMEI writing | Low-level firmware flashing | | Hardware Required | None (Software only) | CM2 Dongle (Hardware key) | None | None | | Cost | Free | Paid (~$143.00) | Free | Free | | Chip Support | RDA only | RDA, Coolsand, MTK, SPD | Specific RDA modules | RDA Feature Phones | | Multi-SIM IMEI | Yes (Up to 4) | Yes (Up to 4) | Yes (Dual) | Unknown | | Target User | Technician, Advanced user | Professional Repair Shop | Module Technician | Developer, Hobbyist | | Legal Tool Name | "RDA IMEI Tool" | "Chinese Miracle-2" | "wimei.exe" | "RUDRA" | Incorrect usage of such tools can potentially damage

Repairing null, corrupt, or "Invalid" IMEI numbers. Common Causes of IMEI Loss on RDA Devices

Always ensure that the number you input into the repair utility perfectly matches the original, legal hardware identifier assigned to that specific device by the manufacturer. Keeping your repairs compliant ensures your device remains safely connected without legal complications. Remove and re-insert the battery

IMEI repair tools should be used for legitimate restoration purposes, such as recovering the original identity numbers assigned to the device by the manufacturer. Restoring the original IMEI ensures your phone complies with local telecommunication regulations and successfully registers on your network provider's cell towers.