The device typically needs to be in Diagnostic (Diag) mode. This often requires holding specific volume buttons while connecting to a PC. Configure Settings: Launch WriteIMEI.exe .
: Allows for the manual input of 15-digit IMEI numbers for both SIM 1 and SIM 2. Multiple Modes : Supports different connection methods, such as: Calibration Mode
The guide provided here and the use of the Spreadtrum IMEI tool are intended solely for : restoring the original, correct IMEI to a device you own or have explicit permission to repair. It is your responsibility to comply with the laws in your country. Mobile repair shops must keep records of IMEI repairs and ensure they are only performed with the customer’s original IMEI.
Click the "Write" button. Once the tool displays a "Pass" message, disconnect the device and dial *#06# to verify the restoration. Critical Safety and Legal Warnings
Once successful, a green message reading or Success will flash on the screen. Spreadtrum Imei Tool V4.1
Regardless of the specific version, all Spreadtrum IMEI writing tools share a common set of features:
: Used for manual IMEI input and saving changes directly to the device. Normal Mode : Typically requires the device to be in Diag (Diagnostic) Mode to read and then write the new information. Additional Address Support : Beyond IMEI, the tool can write: Bluetooth addresses. Wi-Fi MAC addresses. Device serial numbers. Operational Steps Preparation
Ultimate Guide to Spreadtrum IMEI Tool V4.1: Restore and Repair Your Device
Writing an IMEI that does not match the original factory number is illegal in many jurisdictions (USA, EU, India, China). This guide assumes you are restoring the original IMEI printed on the phone’s box or under the battery. The device typically needs to be in Diagnostic (Diag) mode
Click the big Write button on the screen. The program will now say "Wait for phone".
: Under the "Select" or "Set" menu, enable the IMEI fields. Enter the valid 15-digit IMEI numbers (IMEI 1 and IMEI 2 for dual-SIM devices).
: This usually indicates an incorrect connection mode or database file mismatch. Switch the software setting from "Calibration Mode" to "Normal Mode" or "Working Mode," then retry the process. Important Regulatory and Legal Notice
Analysis of Functionality, Risks, and Usage Category: Mobile Servicing Software / Utility Tool Target Chipset: Spreadtrum (UNISOC) : Allows for the manual input of 15-digit
Spreadtrum IMEI Tool V4.1 (also known as the tool) is a utility used to repair or write IMEI numbers on devices powered by Spreadtrum (now Unisoc) chipsets. This is commonly used for troubleshooting "Invalid IMEI" or "No Service" issues on brands like Infinix, Tecno, Micromax, and Lava. Prerequisites SPD USB Drivers
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Once the process finishes, disconnect your phone, remove and reinsert the battery (if removable), and power the device back on. Dial *#06# on the phone keypad to verify that the IMEI numbers have been successfully restored. Troubleshooting Common Errors Device Not Detected (Waiting for USB Port)