: Software like Qualcomm Flash Image Loader (QPST/QFIL) or the Ultimate Multi Tool (UMT) QC Fire is required to back up or write the file to the device's partition.
Even if your network is broken, always use the tool to "Backup" your current xxxx.qcn file. This ensures you have a template of your specific device's NV items. 3. Edit the New QCN File oneplus 7t pro qcn file
: Most methods require the device to be rooted to enable "Diagnostic Mode." : Software like Qualcomm Flash Image Loader (QPST/QFIL)