RM502Q-AE unable to connect to the 5G networks

I’m unable to connect the 5G module to my 5G network. I have checked that the SIM is properly installed and ready, but I keep having issues with the network connection. When launching the quectel-CM command, it shows the following messages, amongst others:

IPv4ConnectionStatus: DISCONNECTED
SIOCSIFFLAGS: Network is down

The version of the quectel is the following:

requestBaseBandVersion RM502QAEAAR11A02M4G

Can anyone help me, please?

Dear @Dronero47
Is it possible to capture log and share with us?