FORT WAYNE, Ind. (WOWO): AT&T has invested more than $30 million in its best-in-class wireless and wired networks in the Fort Wayne area between 2011 through 2013, enhancing speed, reliability, coverage, and performance for both residents and business customers. Last year AT&T made 85 network upgrades in the Fort Wayne area, including the launch of their 4G LTE network in June.