Thursday afternoon around 2:30, my Thunderbolt changed from 3G to 4G LTE. At that same time another co-worker's cellphone did the exact same thing except that he has coverage through AT&T. My 4G only lasted while I was at work, as I was driving home my phone switched back to 3G. This morning it is still in 3G.
Hello stargazer72460,
The Thunderbolt is a great device and it is the first smartphone that we offered that could harness the power of our 4G LTE network! I can certainly understand the excitement on having 4G connectivity at your finger tips! May I ask what city and state are you in? As you may know, we are working around the clock to expand our 4G coverage across the country. The fluctuation of 4G connectivity may be because your area is one of the upcoming 4G markets. If you would like to know more about the power of 4G and when it will be available to you then you can review the link below and sign up for 4G alerts.
http://network4g.verizonwireless.com/#/4g-network-verizon-wireless
Keep ruling the air!
ArnettH_VZW
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