Download QPST/QFIL Tool or UMT QC Fire to write the QCN file.
: Contains precise hardware parameters required for the phone to communicate properly with 2G, 3G, 4G, and 5G network bands. poco x4 pro 5g 128gb qcn tested7z free
Launch and click on Select Port to confirm your device's COM port is detected. Go to Tools > QCN Backup Restore . Step 3: Flash the QCN File Download QPST/QFIL Tool or UMT QC Fire to write the QCN file