Time to upgrade from your flip phones, guys

PHOENIX - A number of Americans will need to get new smartphones, as major cell service providers switched off their 3G network, also referred to on some websites as the 3G sunset. 

Here's what you need to know about the switchoff.

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If you're like me and can count the number of calls you made last year on one hand but still like to keep a phone around for your truck in case you break down, go to Walmart. You can get a Straight Talk smart phone for under a hundred bucks and a plan for 35 bucks a month.

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