In summer 2010, the iPhone 4 was the hottest name on the mobile scene. It had the looks, the software and the desirability factor. With the exception of a few irksome issues with its network reception, nothing but positive things were being written about it.
Today, the story is slightly different. The more powerful iPhone 4S is Apple's new crown prince. It has features that have been withheld from its older sibling - virtual assistant Siri being the most notable just iphone
