Advanced users can perform HEX-level modifications for precise adjustments to the device's radio frequency (RF) parameters.

Input your original (and IMEI 2 if it is a dual-SIM phone) into the designated text fields.

Ensure that you have the official installed on your Windows PC. When Diag Mode is successfully enabled, your Windows Device Manager should display Qualcomm HS-USB Diagnostics 900E (or similar) under the Ports (COM & LPT) section. Step-by-Step Guide to Using Tungtata QCN Tool

Tungtata QCN Tool is a lightweight AutoIT-based, freeware utility designed for modifying Qualcomm Calibration Network (QCN) files, specifically for editing IMEI numbers and facilitating HEX conversions. Developed by Tungtata, the tool allows technicians to repair network data, such as fixing invalid IMEI issues or restoring network functionality after firmware flashes. For more details, visit QCN tool - Simply QCN edit, IMEI <-> HEX converter 7 Jun 2018 —

If you run into any errors while setting up, let me know. I can help you troubleshoot , show you alternative Diag Mode codes , or explain how to safely verify your chipset . What specific issue are you trying to fix on your device?

Wait for the progress bar to reach 100%. The tool will display a "Success" message. Step 5: Reboot and Verify

To ensure a successful repair process and avoid hard-bricking your smartphone, gather the following requirements:

Below is an extensive guide explaining what this tool does, how to use it safely, and how to troubleshoot common Qualcomm network issues. What is Tungtata QCN Tool?

Right-click on the Tungtata QCN Tool.exe file and select .

HEX converter. Opens in new tab." rel="noopener" data-ved="2ahUKEwjHhKj8j_KTAxWFKEQIHeL_JQkQ1fkOegYIAQgEEAI" href="https://www.tungtata.net/2018/06/qcn-tool-simply-qcn-edit-imei-and-hex.html#:~:text=byTungtata%20%2D%20th%C3%A1ng%206%2007,Password:%20tungtata.net" ping="/url?sa=t&source=web&rct=j&url=https://www.tungtata.net/2018/06/qcn-tool-simply-qcn-edit-imei-and-hex.html%23:~:text%3DbyTungtata%2520%252D%2520th%25C3%25A1ng%25206%252007,Password:%2520tungtata.net&ved=2ahUKEwjHhKj8j_KTAxWFKEQIHeL_JQkQ1fkOegYIAQgEEAI&opi=89978449"> QCN tool - Simply QCN edit, IMEI <-> HEX converter

Seamlessly back up your current network configuration or write a new one in seconds.