Qcn Imei Repair Tool [2021] Link
In many countries, changing an IMEI number to something other than the original, manufacturer-assigned number is illegal. These tools should only be used to restore the original IMEI of your device.
Once you confirm the issue by dialing *#06# and seeing zeros or a blank IMEI, the standard solution is to restore a previously backed-up QCN file using a dedicated tool.
Fixing "Invalid IMEI" or "No Service" issues. Popular QCN IMEI Repair Tools
Tools like , Z3X Easy JTAG , or UMT Box often incorporate QCN writing, reading, and editing functions into their GUI, simplifying the process for technicians. Step-by-Step Guide: How to Use a QCN IMEI Repair Tool qcn imei repair tool
Launch and verify your device is detected on the active COM port.
This video is a tutorial on How To Rebuild QCN Files: Edit & Change the IMEI in any QCN File (Restore Original IMEI in QCN Files). YouTube·RomShillzz [GUIDE] How to change IMEI on Snapdragon devices
Before beginning, you must gather the necessary files and prepare your PC: A Windows PC. An original USB data cable. Official installed on the PC. The QPST / QFIL software suite . In many countries, changing an IMEI number to
A failed firmware update or an interrupted rooting process wipes the device's EFS partition (where IMEI data is stored).
Launch the application (found in C:\Program Files (x86)\Qualcomm\QPST\bin\ ).
The QCN IMEI repair tool is a software utility used to repair and modify the IMEI (International Mobile Equipment Identity) number on Qualcomm-based Android devices. IMEI is a unique identifier assigned to each mobile device, and it's used by carriers and manufacturers to identify and track phones. Fixing "Invalid IMEI" or "No Service" issues
Restoring a lost IMEI number due to software corruption.
However, for the average user, these tools represent a high-risk, high-skill endeavor. The line between legitimate "Repair" (restoring your own IMEI) and "Tampering" (changing IMEI) is sharp and clearly defined by law. The consequences of crossing that line can include criminal prosecution, permanent device damage (hard brick), and voided warranties.
Solution : Your baseband firmware may also be corrupted. Try re-flashing the complete stock firmware for your device model and region.