While holding the key, connect the phone to the PC using your USB cable. Step 5: Complete the Writing Process

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Before attempting to modify your device's core partitions, ensure you have gathered the necessary components to avoid permanently damaging (bricking) the hardware:

Infinity CM2 is a premium industry-standard software tool widely used by professional technicians for servicing Chinese chipsets.

Technicians who need a dedicated, official tool for identifier writing on Spreadtrum devices.

Finding a reliable Spreadtrum IMEI repair tool is essential for technicians and enthusiasts dealing with invalid IMEI issues on Unisoc-powered devices. Whether you are dealing with a "Null IMEI" after a firmware flash or a "No Service" error, having the right software can save a device from becoming a paperweight.

Your computer cannot communicate with a Spreadtrum device in diagnostic or download mode without the proper drivers. Download and install the latest (Spreadtrum USB Drivers). Ensure you disable Driver Signature Enforcement on Windows 10 or Windows 11 before installation to prevent driver conflicts. 2. Enable Developer Options Open Settings on your Android device. Navigate to About Phone and tap Build Number seven times. Return to the main Settings menu, open Developer Options . Enable USB Debugging and OEM Unlocking . 3. Backup Current Firmware