The official suite from Qualcomm. Essential for full QCN backup/restore and advanced operations. Slower and more complex but industry standard.
Disclaimer: This article is for informational and educational purposes only. The author and publisher do not condone any illegal use of IMEI modification tools. Always comply with the laws of your jurisdiction and respect the intellectual property of device manufacturers. Modifying your device may void its warranty.
The updated V1.0 release consolidates several advanced diagnostic commands into a streamlined, user-friendly graphical interface. 1. One-Click QCN Read and Write
Easily backup your phone’s existing network calibration data before performing any risky software modifications. Download Imei Qcn Tool V1.0 UPD
Alternatively, some devices allow you to open the Diag port by dialing service codes like *#*#717717#*#* or *#*#13491#*#* . Step 2: Launch the Tool
A Windows PC (7, 8, 10, or 11) with antivirus software temporarily disabled (calibration utilities often trigger false positives). The original USB data cable for your phone.
If you follow this guide carefully, the will bring your dead phone back to life, restoring full network connectivity and functionality in under five minutes. The official suite from Qualcomm
Check the device manager on your PC to ensure the Qualcomm HS-USB Diagnostics port is visible.
Once the tool is running, you will see a simple interface. The exact layout may vary depending on the version, but the core functions are as follows:
using WinRAR or 7-Zip to a folder on your desktop (e.g., C:\IMEI_Tool ). Modifying your device may void its warranty
(Note: This command requires a rooted device. Alternatively, some brands allow enabling diag mode via dialer codes like *#*#717717#*#* or *#*#13491#*#* ). Step 3: Run the Tool and Load Files
Specifically designed to fix "0" or "NULL" IMEI issues on dual-SIM devices.