Spreadtrum Imei - Tool V4.1
It can repair IMEI 1 and IMEI 2 for dual-SIM devices.
Check the boxes for (and IMEI 2 if your phone is a dual-SIM device).
Once you see the success message, unplug your phone and turn it on. You can dial *#06# on your phone keypad to verify that your network ID is back and working correctly!
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I can provide the exact boot key combinations or targeted troubleshooting steps for your exact situation. AI responses may include mistakes. Learn more Share public link
Check Windows Device Manager to ensure the device shows up under "Ports (COM & LPT)" without a yellow exclamation mark. "Write IMEI Failed" or Timeout Error
Wait for the green message to appear before disconnecting. Critical Safety & Legal Warnings It can repair IMEI 1 and IMEI 2 for dual-SIM devices
Look for the dropdown menu and select Calibration Mode (this is the most stable mode for writing NVRAM data). Step 3: Input the IMEI Numbers Go back to the main interface screen.
The software interfaces directly with the device's NVRAM (Non-Volatile Random-Access Memory) data sector. This is the area where vital hardware configuration details and network calibration files reside. Why Devices Lose Their IMEI
Spreadtrum IMEI Tool V4.1 – Write / Restore IMEI for Spreadtrum (Unisoc) Devices You can dial *#06# on your phone keypad
The Spreadtrum IMEI Tool V4.1 — whether as a concrete utility, a mythic device in mobile-repair folklore, or an emblem of technician ingenuity — sits at the intersection of repair, regulation, and the ethics of device identity. This treatise traces its cultural contours, technical implications, and the tensions it exposes in a world built on uniquely identified machines.
In the world of Android firmware tinkering and mobile repair, few things are as panic-inducing as a device losing its IMEI numbers. For devices running on Spreadtrum (UNISOC) chipsets—which power a vast array of budget and mid-range smartphones—this is a common occurrence after a bad flash or a formatting error.
Changing a device's IMEI to one that is not its original factory-assigned number is
Below is a comprehensive breakdown of the tool, its features, and a step-by-step operational guide. Key Features of Version 4.1
If you run into issues during this process, please let me know: What or code is the tool showing? What brand and model of phone are you working on? Is your computer running Windows 10 or Windows 11 ?