You must install the official Qualcomm USB Drivers so your computer can communicate with your phone in Diagnostic (Diag) mode.

: Locate the NV lines for IMEI or Baseband. Enter your device's original hex information. Save : Click Rebuild or Save As to create the modified file.

Modifying system-level network files carries risks. Ensure you complete these preparatory steps to prevent permanently bricking your device's cellular capabilities.

: Go to Tools > QCN Backup Restore to generate or flash your file. Method 2: Qualcomm IMEI Repair Tool (Ultra-Lightweight)

Root your device (required for most models) and open a terminal app or ADB on your PC to trigger using the following commands: adb shell su setprop sys.usb.config diag,adb Use code with caution. 2. Install Qualcomm USB Drivers

Accept the license agreement and choose the default installation path ( C:\Program Files (x86)\Qualcomm\QPST ).

: Always use QPST Software Download or QFIL to "Backup" your existing QCN before making any changes.

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