For instance, both AT&T and Verizon now offer $60/month prepaid plans for smartphones with LTE data. And T-Mobile offers a $30 prepaid plan with LTE data, thou

For instance, both AT&T and Verizon now offer $60/month prepaid plans for smartphones with LTE data. And T-Mobile offers a $30 prepaid plan with LTE data, though they don't try very hard to advertise it.