Have you ever been incredibly frustrated at having poor reception when the signal bars on your screen suggest you have full coverage?

Maybe you convince yourself that it's the person on the other end of the call with the issue, or that there are gremlins in the system. Well, you don't have to live in fear of those pesky gremlins anymore, because this trick will help you see exactly how good your signal really is. We all know that the bars on your iPhone aren't precise, but there's a way to change the signal display so that you have a much more accurate understanding of the reception that's available in your area. Take a look... Hat-Tip to Tech Insider