Wondering whether to upgrade your existing iPhone to one of Apple's new models the iPhone 5c or iPhone 5s? If you have an iPhone 5, iPhone 4s, iPhone 4 or even an earlier iPhone you may be wondering what feature you will gain if you upgrade. We'll outline how the iPhones compare in this article. If you're still using an iPhone 3GS or earlier you can safely assume that it's time to upgrade. We're going to look at the five things everyone wants from a smartphone and compare what each model offers. You can read all our
