Help no lte icon

I just got a vivid great phone by the way, it came with ics pre loaded my question is I thought the LTE letters go under the 4g when in LTE area ...I


I live just outside an LTE area (Austin). When I get in the city I DO have the LTE symbol. When I am not in a LTE area, it just says 4G. You may want to double check the coverage map to make sure your physical location is within the ACTUAL LTE coverage area.