In many regions, changing an IMEI to one that does not belong to the device is illegal. This tool should only be used for a corrupted IMEI to its original factory state. step-by-step guide for a specific device model?
With Unisoc gaining market share (especially in budget 5G phones like the Samsung Galaxy A04e and Moto E series), tools like will only become more vital. However, Google and OEMs are tightening security. Android 13 and 14 introduce "vault" partitions that block IMEI writing via META mode.
The v4.1 release addresses several limitations found in older builds like v2.0 and v3.0, making it highly reliable for modern Unisoc-powered devices.
Spreadtrum IMEI Tool v4.1 Updated: A Comprehensive Guide to Repairing IMEI
The Spreadtrum IMEI Tool is a lightweight Windows-based utility designed specifically to read, write, backup, and restore IMEI numbers on smartphones powered by Spreadtrum (now UNISOC) chipsets. The tool communicates with the device’s NVRAM (Non-Volatile Random Access Memory) where the IMEI and radio calibration data are stored.
Works efficiently when the phone is booted into Diag Mode . Prerequisites for Using the Tool
In the world of mobile phone repair, few issues are as frustrating as a "Null IMEI" or "Invalid IMEI" error. For devices powered by UNISOC (formerly Spreadtrum) processors—common in brands like Samsung (A series, J series), Tecno, Infinix, Itel, Lava, Micromax, and many Chinese OEMs—a corrupted IMEI means no network, no calls, no SMS, and no mobile data.
tab. Select the appropriate communication port (usually "USB") and the IMEI writing method (Calibration mode is often the most reliable). Input IMEI