: This tool is intended for repairing original IMEI numbers that have been lost or corrupted during software flashing. Changing a device's IMEI to a different one is illegal in many jurisdictions. for this specific version? How to use Spreadtrum WriteIMEI tool
Provides a simple "Write" and "Read" function for quick operations.
(often by holding specific volume keys while connecting to USB). Port Mapping
: Includes a "Normal Mode" selection for easier device recognition once booted into Diag mode. Real-time Device Reading
If the tool says "PASS" but the IMEI is still invalid, you might need to wipe the nvram partition using another tool like SPD Factory Tool before running the IMEI tool. Disclaimer spreadtrum imei tool v41 updated
: Automatically detects devices connected via COM ports once they are in "Diag" or "Calibration" mode. Wide Device Compatibility
Open your phone's dialer and type *#06# to verify that the new IMEI numbers are displayed. Troubleshooting Common Issues
Yes. Modifying the IMEI number of a device will almost certainly void any manufacturer's warranty. This practice is intended for out-of-warranty repair scenarios.
If you are looking for legitimate information related to Spreadtrum (now Unisoc) tools for authorized purposes such as , I recommend: : This tool is intended for repairing original
Turn off your mobile device completely. Hold down the device’s volume down button (the default boot key for most Spreadtrum devices) and connect it to your PC via the USB cable.
The (also known as the WriteIMEI Tool ) is a lightweight utility used to repair or rewrite IMEI numbers on smartphones and feature phones powered by Spreadtrum (SPD) or UNISOC chipsets. It is commonly used to fix "Invalid IMEI," "No Service," or "Emergency Calls Only" errors without requiring expensive hardware boxes. Key Prerequisites
The is a specialized Windows-based utility designed to repair or restore original IMEI numbers on mobile devices powered by Spreadtrum (SPD) and UNISOC chipsets. This version is widely used by technicians to address issues like "Invalid IMEI," "Null IMEI," or network connectivity problems following a firmware flash. Key Features of Version 4.1
No. This tool is specifically designed for Spreadtrum (Unisoc) chipsets. For Qualcomm devices, you would use a tool like QPST, and for MediaTek devices, you would use the SN Write Tool. How to use Spreadtrum WriteIMEI tool Provides a
If you need to fix Bluetooth or WiFi MAC addresses, check the respective boxes under the settings (Select/SET). 4. Write IMEI Click the or Start button.
If your Spreadtrum (SPD) chipset device is showing "Invalid IMEI," "No Service," or "Emergency Calls Only" after flashing firmware or rooting, you need a specialized tool to restore connectivity. The version is one of the most reliable, free, and lightweight utilities for flashing or repairing IMEI numbers on Spreadtrum-based smartphones, including popular brands like Infinix, Tecno, and Vivo.
: Infinix (Smart 7/8, Hot series), Tecno (Spark series, Pop series), Itel, Micromax, Lava, and Karbonn.
Check that you typed exactly 15 digits. The tool will reject inputs that do not conform to standard IMEI checksum algorithms. Legal and Safety Disclaimer