Template: 5G HAT Power and Reset control On Raspberry Pi

Troubleshooting

Check if the module detects SIM:

AT+CPIN? # Should return READY

Check if the module is registered to the network:

AT+CEREG? # Should return 0,1 or 0,5

Check if the APN is correct and has an IP: AT+CGCONTRDP?

AT+CGCONTRDP # Should return APN details and IP address.