kevincw01 wrote At the same time, my phone reports that it is disconnected from the tower data connectivity (4G symbol changes from light to dark grey). The LTE data connection comes back about 10 seconds later. Openvpn connect will see that data service is back and re-connect successfully and the cycle continues
I would think
that is the problem. Have you contacted your service provider for help ?
Alternatively, you could try a TCP VPN for testing purposes.