AG35EVD stuck in +CFUN: 5 Needs QCN/xQCN

My module is stuck in +CFUN: 5. Command like AT+QRFTESTMODE=0 or editing NV setting 453 using PCAT has no effect( Is it possible to get QCN/xQCN to restore EFS and calibration?

Model AG35EVD-512-SGAS

Revision: AG35EVDR08A11T4G

IMEI 860648048299270

No, factory has no QCN. Customer should backup it before changing.