: In many regions, including the US, UK, and India, changing an IMEI number to a different one is . These tools should only be used to restore the IMEI that came with the device.
Several tools, both free and professional, are commonly used for UNISOC/SPD devices:
It supports the latest security patches and provides a one-click repair process for most Unisoc devices.
For the software to modify the NVRAM partition, the phone must communicate via a virtual COM port rather than standard MTP mode. Power off the device completely.
One of the most popular free options is . Developed specifically for Unisoc CPUs such as Tiger T606, T612, SC7731E, SC9863A, and SC9832E, this tool requires no dongle, login, or activation. It provides a clean tab‑based interface with separate sections for IMEI Repair 1 and 2 , FRP reset, bootloader unlocking, SIM unlock, and partition‑level reading/writing. unisoc imei repair tool
I can provide the exact driver configurations and download paths needed for your specific setup. Share public link
: 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.
For professional technicians, UMT offers a dedicated Unisoc module. This is a premium, dongle-based software suite that provides robust partition management, enabling users to wipe corrupted NVRAM, repair IMEIs in flash mode, and back up network structures seamlessly. 4. CM2 (Infinity-Box Chinese Miracle 2) SCR Module
The ethical distinction hinges on intent and authorization. include: : In many regions, including the US, UK,
A UNISOC IMEI repair tool is a specialized software utility used to restore or rewrite the International Mobile Equipment Identity (IMEI) number on mobile devices powered by UNISOC (formerly Spreadtrum) chipsets . These tools are primarily used when a device's IMEI becomes "Null" or "Invalid," often due to software corruption during flashing, rooting, or firmware updates.
Repairing an IMEI is intended for restoring a lost or corrupted number to its original factory state. Changing an IMEI to a different number is illegal in many jurisdictions and can lead to the device being blacklisted from mobile networks. For persistent hardware-level issues, it is recommended to visit an authorized service center .
Locate the input fields labeled and IMEI 2 (if it is a dual-SIM device). Check the box next to each active IMEI slot.
When a Unisoc (formerly Spreadtrum) powered phone loses its IMEI—displaying “null” or “invalid” instead of a 15‑digit number—the issue is almost always caused by a corrupted . This usually happens when an incompatible firmware (stock or custom) is flashed, or when changes are made that affect the NVRAM data. Additionally, if the device also shows an unknown baseband, that must be fixed first (typically by re‑flashing the original firmware) before IMEI repair attempts can succeed. For the software to modify the NVRAM partition,
This is a general guide on using a typical UniTool interface.
Install the latest Spreadtrum/Unisoc USB drivers on your PC. Without these, the computer will fail to recognize the device when it toggles into Diagnostic or Calibration mode.
While holding the key, connect the phone to your PC via a reliable USB data cable. Step 5: Finalizing the Process
Supports "Read Info," "Wipe NV," "Backup NV," and "Repair IMEI" in Flash Mode or Diag Mode without needing root access.
Often bundled with factory reset protection removal. Top Unisoc IMEI Repair Tools 2026 1. ChimeraTool (Premium/Reliable)