purism@pureos:~$ sudo mmcli -m 0 --simple-connect="apn=PRODATA"                 
successfully connected the modem                                                
purism@pureos:~$ sudo nmcli c add type gsm ifname cdc-wdm0 con-name mygsm apn PR
ODATA                                                                           
Connection 'mygsm' (2af6f31c-f38f-49b1-9a40-dc5af5c379ba) successfully added.   
purism@pureos:~$ 

These were my steps: ``` purism@pureos:~$ sudo mmcli -m 0 --simple-connect="apn=PRODATA" successfully connected the modem purism@pureos:~$ sudo nmcli c add type gsm ifname cdc-wdm0 con-name mygsm apn PR ODATA Connection 'mygsm' (2af6f31c-f38f-49b1-9a40-dc5af5c379ba) successfully added. purism@pureos:~$ ```