If you’re a Verizon Wireless subscriber, you clearly don’t mind paying a premium for the comfort of knowing your carrier offers coverage just about everywhere in the country you could possibly want to go. After all, Verizon customers’ average cell phone bills are higher than they are at any other carrier in the United States. But in the back of your mind, you know that rival carriers have much better coverage than they did a few years ago, and every now and then you wonder if you should switch and save some money. T-Mobile hopes that it’s latest “Un-carrier” promotion, which is aimed exclusively at Verizon customers, is good enough to push you over the edge. DON’T MISS:-When did Apple

More...