I have a Charge and I live near Boston which has 4G LTE. Randomally, my Charge will just not have a data connection. I have an iPhone 4 as well and it has full signal 3G but the Charge will not connect to 3G or 4G. The only way to fix this is if I restart the phone. When I do that, it has 4G LTE full signal. All the while my location does not change, I am home. What is wrong? Is this common? How do I fix it?