Technicians use a variety of free and professional tools to service Unisoc-based devices from brands like Infinix, Tecno, Itel, and Realme. SPD Write IMEI Tool:

While each tool differs, the general workflow for restoration involves:

Enter the 15-digit original IMEI into the provided fields in the software.

Unlike Qualcomm’s QPST or MediaTek’s SN Writer, Unisoc-specific tools (such as the Unisoc IMEI Writer , ResearchDownload , or SN Writer for Spreadtrum ) interact directly with the chipset’s diagnostic mode, often called "Download Mode" or "COM port mode." The process typically involves:

Changing or modifying an IMEI number is illegal in many jurisdictions and is often considered a form of tampering with mobile identity. These tools are intended strictly for restoring the original IMEI of a device that lost it due to software corruption (e.g., a bad flash). Do not use these tools to clone IMEIs or change them for fraudulent purposes. Always ensure you are writing the original IMEI found on the device's box or back panel.

: A professional, paid software suite that recently enhanced its UNISOC solution to support permanent IMEI and serial number repairs for newer chips like the T760 and T820.