Signs 4G coverge is extending soon for us TBolt (and Charge) owners?

Im in an area that currently has no LTE coverage, Augusta, GA., but today I was messing around with my phone during lunch time (around 12 est) and notice my signal icon was displaying 4GLTE.

Being from Atlanta I almost didnt pay attention to it since Im use to seeing it at home, but then I realize where I was. It only lasted like a minute then switched back. I guess they were testing the towers, and broadcasted the signal by mistake.

Either way I think its a good sign, has this happen to anyone else?
 
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