Click the or Write button on the tool's interface. The software will enter a standby state, waiting for the hardware connection. Power off your Spreadtrum device completely.
The installer now includes updated Spreadtrum COM port drivers to eliminate connection timeouts and "Device Not Found" errors.
Before starting the repair process, ensure you have gathered the necessary components to prevent connection drops or errors mid-flashing:
The version is a vital utility for mobile software technicians. By bridging the gap between older tools and newer Android versions/hardware architectures, it allows for the repair of network connectivity issues on a wide range of budget smartphones. While powerful, it requires technical knowledge to operate and carries significant legal responsibilities regarding its usage.
Navigate to the extracted folder, right-click on Spreadtrum_IMEI_Tool_v4.1.exe , and select . spreadtrum imei tool v41 updated
: Includes functions to read current device info and perform factory resets directly through the tool. How to Use the Tool Driver Installation : You must install the Spreadtrum/Unisoc USB Drivers
Compatible with older SC-series chipsets and newer Unisoc processors.
: The tool will show a green "Passed" or "Success" message once the write process is finished. Important Considerations
: A universal factory USB protocol for Spreadtrum platforms that doesn't require specific brand selection or boot keys. Click the or Write button on the tool's interface
Changing or altering a device’s original IMEI to mirror a different device is illegal in many jurisdictions, including the US, EU, and India. This utility must strictly be used to restore the original number belonging to the hardware.
The tool communicates directly with the phone’s NVRAM (Non-Volatile Random-Access Memory) partition where network configuration data is stored. It is primarily used to restore original IMEI numbers that have been wiped, corrupted, or showing as "IMEI Null" following a failed custom ROM installation, improper firmware flash, or a hard factory reset.
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The updated v4.1 version provides better stability and support for newer Spreadtrum/Unisoc chipsets compared to older versions. It often addresses bugs that caused the software to crash during the writing phase, ensuring a higher success rate when repairing the NVRAM or IMEI. Troubleshooting Tips The installer now includes updated Spreadtrum COM port
: Latest Spreadtrum/UNISOC Drivers must be installed to clear Device Manager port flags.
Go to > Advanced Options > Startup Settings > Restart .
This error occurs if the device's bootloader blocks partition modification, or if the incorrect mode was selected in the settings menu. Try switching from Diag Mode to Calibration Mode, or load the official device database file ( .db ) inside the tool configurations. Legal and Ethical Compliance