Spreadtrum Imei Tool V4.1

It’s a third-party utility designed to rewrite, repair, or change the IMEI number on mobile devices powered by Spreadtrum (now Unisoc) processors. It’s often used when a phone loses its IMEI after a failed firmware flash, software corruption, or baseband damage.

Unlike generic IMEI writers that rely on root access or complex engineering codes, this tool operates at the firmware level. It communicates directly with the modem partition of Spreadtrum chipsets (e.g., SC7715, SC7731, SC9830, SC9863) via a in Diagnostic (Diag) mode.

Spreadtrum IMEI Tool V4.1 is not glamorous. It has a clunky interface, requires driver gymnastics, and only supports aging chipsets. However, for the niche it serves—restoring lost IMEIs on budget Spreadtrum devices—it remains an indispensable weapon in the mobile repair arsenal.

Wait for the green message to appear before disconnecting. Critical Safety & Legal Warnings Spreadtrum Imei Tool V4.1

Click on the Set or Mode Select button. If the phone is on, select Normal Mode ; if it is off or in a specific diagnostic state, use Calibration Mode .

: The tool can write or "repair" the unique 15-digit identifier of a device, which is essential for connecting to cellular networks.

on your device's dialer to ensure the numbers match the original values. Important Legal & Safety Note: It’s a third-party utility designed to rewrite, repair,

This post takes a comprehensive look at the V4.1 release, its features, and how to use it safely.

: Capable of writing multiple IMEI fields simultaneously for dual-SIM devices. Mode Versatility

Wait for a green progress bar or a message indicating or Success . It communicates directly with the modem partition of

What or behavior are you encountering?

: It is widely regarded as a "one-click" style solution for technicians, provided the correct USB drivers are installed.

Enables writing IMEI numbers while the phone is connected in "SPD Diag" or "Spreadtrum BootROM" mode.