Install: Tungtata Qcn Toolzip

Click , choose Folder , and point it directly to the newly extracted directory containing the executable. Step 3: Run the Application Open the extracted directory.

: If prompted, the typical password for Tungtata files is tungtata.net .

Click Save to create a new QCN file with the updated IMEI.

: Most devices require root permissions to open the diagnostic port. tungtata qcn toolzip install

Enabled via the Android Developer Options menu.

Select the custom-tailored configuration file you exported from the Tungtata utility in Phase 1. Click or Start .

: It contains critical device-specific data, including network calibration settings, RF (Radio Frequency) parameters, and IMEI information. Click , choose Folder , and point it

Install ADB and Fastboot tools on your computer.

Look for (or similar). Note the assigned COM port number (e.g., COM5). Step 3: Flash the QCN File Launch the Tungtata QCN Tool.

The is a lightweight, portable utility designed for editing Qualcomm Configuration (QCN) files. It is primarily used by mobile technicians to repair or modify IMEI numbers and convert between IMEI and HEX formats on Qualcomm-based Android devices. Download and Installation Click Save to create a new QCN file with the updated IMEI

: The tool runs exclusively on Windows (7, 8, 10, or 11).

Incorrect driver assignment or a faulty USB port interface.

Dial *#06# on your phone keypad to verify that your original IMEI numbers and baseband version have been fully restored. Troubleshooting Common Errors

The tool cannot communicate with your phone through standard USB charging mode. You must force the phone into Diagnostic Mode. Connect your phone to the PC via a USB cable.

: The original tool is hosted on the Tungtata Blog or via Google Drive .