Spreadtrum Imei Tool V41 New May 2026
Important Disclaimer: Using this tool to change an IMEI to a number not originally assigned to the device is illegal in many jurisdictions (e.g., US, UK, EU, India). This guide is intended for repairing your own device’s original IMEI after a software malfunction.
An IMEI is a 15-digit unique serial number that identifies a mobile device on a network. When this number is corrupted (showing as "Null," "0," or "N/A"), the device cannot connect to a cellular network for calls, SMS, or mobile data.
The Spreadtrum IMEI Tool v4.1 remains a relevant utility in the technician's toolkit for maintaining legacy and budget Android devices. It simplifies the complex task of modem partition restoration. However, with the power to alter fundamental device identifiers comes the responsibility of ethical use and the necessity of technical caution.
Spreadtrum IMEI Tool v4.1 (also known as the WriteIMEI Tool ) is a specialized utility designed for devices using Spreadtrum (SPD) or UNISOC chipsets. It is primarily used to restore or repair the International Mobile Equipment Identity (IMEI) number if it becomes "Invalid" or "Null" after a firmware flash or hardware repair. Key Features of v4.1 Multi-Address Support spreadtrum imei tool v41 new
: Beyond IMEI, the tool can write Bluetooth addresses, Wi-Fi addresses, and serial numbers. FlashMode Compatibility
: Supports writing data while the device is in "FlashMode," which is crucial for bricked or unresponsive devices. Broad Device Support
: Compatible with various brands using SPD chipsets, including Lightweight Utility Important Disclaimer: Using this tool to change an
: It is a small, portable Windows application that does not require a hardware "box" or dongle to function. How to Use Spreadtrum IMEI Tool v4.1 Preparation : Download and install the necessary SPD USB Drivers on your PC to ensure communication with the device. Launch the Tool : Open the WriteIMEI.exe Enter IMEI Data
: Type the 14-digit IMEI (the tool usually auto-generates the 15th checksum digit) into the input fields. Configure Settings : If needed, click on
to enable checkmarks for writing other addresses like Bluetooth or Wi-Fi. Connect Device Power off your device. While holding the Volume Down An IMEI is a 15-digit unique serial number
(or sometimes Volume Up) button, connect the device to your PC via a USB cable. Confirmation
: A green progress bar will appear, followed by a "Pass" message once the writing is complete. Important Considerations Legal Warning
: Changing a device's IMEI to one that does not belong to that specific hardware is illegal in many jurisdictions. This tool should only be used to
the original IMEI found on the device's box or under the battery.
: Performing these operations is done at your own risk, as incorrect usage can lead to software instability. SPD USB Drivers or a specific guide for a particular brand like