The (also known as the Spreadtrum WriteIMEI Tool) is a specialized Windows-based utility designed to repair or restore the International Mobile Equipment Identity (IMEI) numbers on mobile devices powered by Spreadtrum (SPD) or UNISOC chipsets. It is primarily used by technicians when a device loses its network connectivity or displays an "Invalid IMEI" error after a firmware flash or system crash. Key Features of v4.1 Update
Once the process is finished, the tool will display "Passed." You can now disconnect the phone and restart it. Important Safety and Legal Notice
The first test was on a Samsung Galaxy A10 that had come in with a corrupted IMEI number. Alex had struggled to repair it with the previous version of the tool, but with V4.1, the process was smooth sailing. He easily flashed the new IMEI number, and the device rebooted with a valid IMEI. spreadtrum imei tool v41 updated
Manually type the 15-digit original IMEI numbers into the respective fields. Ensure there are no typos, as incorrect entries will cause network registration failures. Step 4: Connect the Device
To determine if your device uses a Spreadtrum chipset: The (also known as the Spreadtrum WriteIMEI Tool)
Supports a wide range of Spreadtrum/Unisoc chipsets.
: The tool will show a green "Passed" or "Success" message once the write process is finished. Important Considerations Important Safety and Legal Notice The first test
Open the extracted folder and run the SPD_IMEI.exe or equivalent executable file as an administrator. Configure Settings: Click on the Settings button (gear icon) in the tool.
If the progress bar does not start, disconnect the phone, reinstall the Spreadtrum COM port drivers, restart your PC, and try a different USB port (preferably a USB 2.0 port on the back of the motherboard).
Simple, straightforward GUI designed for quick operations.
: 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