added commands to start and stop 4gnet

uConsole/modem.sh

@@ -1,6 +1,9 @@
 #!/bin/bash
 #reset modem first
 APN="Wholesale" #set your APN name here for network manager.
+
+#disconnect 4gnet
+sudo nmcli c down 4gnet
 #power-off the modem in case it's already on.
 uconsole-4g-cm4 disable
 #power-on modem.
@@ -18,3 +21,4 @@ echo -en "AT+CUSBPIDSWITCH?\r\n" | sudo socat - /dev/ttyUSB2,crnl
 echo "sudo: reset & re-add modem to network manager"
 sudo nmcli c del 4gnet
 sudo nmcli c add type gsm ifname ttyUSB3 con-name 4gnet apn $APN
+sudo nmcli c up 4gnet