INFINIX HOT 6X X623 QCN FILE; NO SERVICE, EMERGENCY ONLY AND UNKNOWN BASEBAND SOLUTION

WHAT IS QCN?
Qcn means Qualcomm Calibration Network file. Basically qcn file built in all  latest android mobile phone with Qualcomm processor. QCN is the main and sensitive file of network hidden in the deepest core of mobile phone internal memory file system in efs folder.
When a device loses network signals, one of the many fixes is by restoring a compatible qcn data file.