U.S. operator Sprint has launched 4G LTE network in Altoona, Pa., Asheville, N.C., Columbus, Ind., Elkhart/Goshen, Ind., Hammond, La., La Crosse, Wis., San Juan, Puerto Rico, Statesville, N.C., and Temple, Texas. Operator has also expanded LTE service in San Germán, Yauco, Salinas and Santa Isabel, Puerto Rico.