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: Most RDA phones require a specific key combination (often the "Call" or "OK" button) while inserting the USB cable to enter the required mode. Tool Configuration : Open the repair tool, select the RDA/Coolsand
Extract the files and run the installer ( Setup.exe or right-click the .inf file and select ). Restart your computer to apply the driver changes. Step 2: Configure the Repair Tool
Standard protocol: Power down the device. Hold Volume Up. Insert USB. Wait for the detection sound. coolsand rda imei repair tool new
To use the CoolSand RDA IMEI Repair Tool, you'll need:
Open the executable file ( .exe ) as an administrator. Configure Settings: Select the COM Port (usually automatic). : Most RDA phones require a specific key
Before making any changes, the new tool creates an automatic backup of the original NVRAM (Non-Volatile Random Access Memory) sector. This is critical for restoring the device in case of an error.
In most nations, including the United States, European Union member states, and India, knowingly changing an IMEI number to one that does not match the original hardware is a criminal offense. Authorities treat this as a form of electronic tampering or fraud, as altered IMEIs can be used to conceal stolen devices or evade carrier blacklists. Step 2: Configure the Repair Tool Standard protocol:
Coolsand was originally known as , a Chinese baseband chip design company. Its technology was widely used in low‑cost feature phones, smartwatches, and budget Android devices. In a significant industry move, RDA Microelectronics —another major Chinese fabless semiconductor company specializing in RF and mixed‑signal chips—acquired Coolsand‘s baseband business.
Most Coolsand/RDA tools are compatible with (both 32‑bit and 64‑bit). For Windows 8 and later, you may need to disable driver signature verification as mentioned earlier. Windows XP is not recommended due to lack of modern driver support.
Optimized for all phones running on older and new RDA/Coolsand CPUs.
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