If I missed this tip I apologize, however, since FoxFi doesn't work with JB, I found elsewhere that a toggle widget (like Fattin) will get around the subscription block on the phone's native tethering.
Set up your ap in the tethering menu, then use the widget to turn it on. Wipe hands on pants.
Set up your ap in the tethering menu, then use the widget to turn it on. Wipe hands on pants.