Earlier in 2012, Sprint announced the availability of 4G LTE to Illinois customers in Addison, Bolingbrook, Des Plaines, Downers Grove, Kankakee, Waukegan-Lake County, Rockford, Joliet, Naperville, Palatine and Plainfield, along with Gary, Ind.
ENGADGET: Sprint improves Chicago LTE coverage, brings 4G to a few other new areas