Supports a wide range of SPD/UNISOC CPUs used in brands like Infinix, Tecno, itel, Realme, and Samsung .
The (often referred to as the Spreadtrum WriteIMEI Tool) is a specialized Windows utility used to repair, restore, or write IMEI numbers on mobile devices powered by Spreadtrum/UNISOC chipsets. It is commonly used when a device loses its IMEI after flashing a new ROM, factory resetting, or due to software corruption, which often results in "Invalid IMEI" or "No Service" errors. Key Features
Enter . This utility has become a staple in the technician’s toolkit for repairing null IMEI issues. But what exactly is this tool, how does it work, and what are the risks involved? Spreadtrum Imei Tool V4.1
Understanding the Spreadtrum IMEI Tool V4.1: A Comprehensive Guide
Works with classic Spreadtrum chipsets (SC7731, SC9832) as well as modern Unisoc processors. Supports a wide range of SPD/UNISOC CPUs used
: A simple, single-window layout that minimizes configuration errors for technicians. Prerequisites Before You Begin
What (if any) you are currently seeing in the tool? Which Windows operating system version you are using? Key Features Enter
Before attempting to use the , you must ensure your system is prepared to prevent bricking your device or causing further damage.
Write feature in the Spreadtrum (SPD) IMEI Tool V4.1 (and similar versions)
Sometimes, entering deep engineering modes ( # #3646633# # ) and resetting the NVRAM accidentally deletes the IMEI. V4.1 is the only low-level fix before resorting to a full re-flash.
Enables writing IMEI numbers while the phone is connected in "SPD Diag" or "Spreadtrum BootROM" mode.