Download Dtm Qcn Tool Zip -

Use a tool like 7-Zip or WinRAR to extract the contents to a folder on your PC.

Since this is a third-party utility, ensure you download it from reputable GSM forums or developer hosting sites. Download DTM QCN Tool zip

Select to pull the current QCN file from the phone for backup. Use a tool like 7-Zip or WinRAR to

You must enable USB Debugging and enter a specific code (like *#*#717717#*#* ) or use ADB commands to put the phone in "Diagnostic Mode." Download DTM QCN Tool zip