The Apple iPhone has been enjoying great success recently, capturing the second largest market share in North America's smartphone market right after its release (don't forget the high price of the iPhone), and now the 3G version of the second-generation iPhone has also been unveiled. The mobile giant Nokia is naturally not going to sit idly by. Recently, Nokia launched the 5800, a large-screen full-touchscreen phone that uses the S60 operating system. More details are as follows: