Spreadtrum IMEI Tool V4.1 – Write / Restore IMEI for Spreadtrum (Unisoc) Devices
Operates across multiple communication formats, including Normal Mode and Calibration/Diag Mode , to interface successfully with locked or stock configurations.
For those just starting out, the free SPRD IMEI Write Tool V10.00.01 or the portable WriteIMEI Tool R21.18.3901 is recommended over trying to locate an old V4.1 release. These modern versions support a wider range of devices, operate without any hardware dongle, and are easy to use even for beginners. Always remember: with great power comes great responsibility. Use these tools ethically, respect the law, and repair only the devices you are authorised to fix.
To use this tool effectively, you typically follow these steps:
to enable the fields you need to write (e.g., IMEI1, IMEI2, Bluetooth). Input IMEI : Enter the original IMEI Spreadtrum Imei Tool V4.1
installed on your PC so the device is recognized in the Device Manager. Launch the Tool WriteIMEI.exe as an administrator. Configure Settings Mode Select
One forum discussion from 2016 clarifies that the name “Spreadtrum IMEI V4.1” may actually refer to a module of the hardware dongle — a professional tool used in GSM repair shops. A user reported successfully using it to repair an Alcatel 2052A, but the software would not open without the physical Infinity Box dongle attached. This is an important distinction: the standalone WriteIMEI tool (which is free and does not require any dongle) is what most users mean when they talk about writing IMEI on Spreadtrum phones, while “SPD IMEI V4.1” may be a paid, box‑dependent application.
: Run the application instantly without a complex installation process.
While holding the boot key, connect the phone to your computer using the USB cable. Step 5: Complete the Flash Spreadtrum IMEI Tool V4
In the configuration window, check the boxes for (and IMEI 2 if your device is a Dual-SIM phone).
The Spreadtrum IMEI Tool V4.1 is a specialized Windows utility designed for servicing Android devices powered by Spreadtrum (now Unisoc) processors. It allows technicians to repair or write International Mobile Equipment Identity (IMEI) numbers. This is necessary after firmware corruption, NVRAM data loss, or motherboard replacements. Key Features of Version 4.1
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.
Keep holding the button until the computer reads the phone. A progress bar will fill up, and you will see a green PASS message when it finishes. Always remember: with great power comes great responsibility
Compatible with legacy SC-series chips and modern Unisoc platforms.
The ethical balance weighs heavily toward transparency, credentialing for sensitive tools, and mechanisms that enable legitimate repair while deterring abuse — e.g., signed logs, keys bound to authorized service centers, or legal frameworks that permit repair under oversight.
What (if any) you are currently seeing in the tool? Which Windows operating system version you are using?
Before executing the tool, specific environmental configurations must be met to ensure the software communicates successfully with the mobile hardware:
Writes IMEI numbers in Normal Mode, Calibration Mode, or Working Mode.
Often helps fix damaged NV (Non-Volatile) data partition. Prerequisites for Using the Tool