You must have the latest Qualcomm HS-USB QDLoader 9008 drivers installed.
Open the Tungtata tool, select the correct COM port, click "Read," and save the .qcn file. tungtata qcn toolzip install
Tungtata QCN Tool is a specialized utility used primarily by technicians and advanced Android users to manage, backup, and restore QCN (Qualcomm Calibration Network) files on Qualcomm-based smartphones. This guide provides a comprehensive overview of the tool, how to install the Zip package, and the proper way to use it for network repair. What is Tungtata QCN Tool? You must have the latest Qualcomm HS-USB QDLoader
Helps put the device into the required state for communication. Prerequisites for Installation select the correct COM port
Replaces corrupted modem data with a working file.