Grab a free app called ANY CUT. Install, run. Select NEW SHORTCUT. Choose ACTIVITY. Choose NETWORK SETTINGS. Name it whatever you like. POOF. You have a new shortcut on the desktop that takes you RIGHT to Network Settings. You still have to do the toggling - but this is as close to a toggle as I could get. No different than the Thunderbolt LTE ON/OFF, etc. Hope this helps someone!