Open on your PC to confirm the device is listed under "Ports (COM & LPT)" as a Qualcomm HS-USB Diagnostics port. Operation :

: Your device must have its Diagnostic (Diag) port enabled, often achieved via ADB commands (e.g., setprop sys.usb.config diag,adb ) or specific dialer codes. Usage Guide Preparation :

: Use the "Read" function to back up your current NV items. It is highly recommended to always back up your original EFS/NV data before making changes.

: Within the tool, select the COM port number that matches the one found in Device Manager.

Before using the tool, ensure you have the following installed:

: Necessary for your PC to recognize the device in diagnostic mode.