iPhone is a revolutionary device which has changed our complete perception towards mobile phones. iPhone was launched in 2007 and the better version is released by apple every year. iPhone 3G was launched in 2008 followed by iPhone 3GS in year 2009. iPhone 4 was launched in year 2010 and then we had iPhone 4S in year 2011. It has all the unique features ranging from video camera, convenient media player to web browsing capacity. Both Wi-Fi and 3G connectivity are features of iPhone. Apple application software is also available which features games, social networking, references, GPS navigation, films, television shows and celebrities. Original version of iphone was a GSM cellular phone but in iPhone 3G, cellular network was added along with a feature of A-GPS location. iPhone 4 has both rear facing and front facing camera present and has a better resolution display as compared to previous generations. With every new version, the phone is becoming better and better.

IPhone screen designs are very unique and different and the stylish design makes it stand out. Screen design seems is to a foundation of a genius. Sleek screen design looks great. In earlier versions of i-phones, plastic and bezel both was present which prevents any kind of breakage and absorbs some of the impact prior to being hit. But in phone4, there is no bezel present around the glass but a reinforced glass present to make the cell phone resistant to any kind of breakage. The back cover in iPhone is also very stylish and elegant. But there is a drawback in later versions. If the phone falls accidentally, then the back cover can get separated from the phone on its own. The advanced versions also feature LED light concept which can be of great utility to bloggers.

All the versions of iPhone have a touch screen. The screen resolution of early generations was 320 X 480 at 163 ppi whereas iPhone 4 and later versions have a better screen resolution. Resolution of iPhone4 and iPhone4S is 640 X 960 at ppi 163. iPhone screen designs of later version have full plastic back. This feature was incorporated to make the strength of GSM signals even better. There are just four to five buttons present in iPhone. User interface is kept to minimum in apple phones. Camera resolution of original iPhone was 2 megapixels. In later generation of apple phones, camera resolution was 5 megapixels. iPhone4 has 2 cameras, rear facing and front facing and is equipped with some unique photography features. With large storage capacity in these phones, you can store any number of movies and music in iPhone. Apple phones don’t feature expanded storage capacity with memory slot or SIM card.

Every version of apple iPhone is work of genius and is a stunning success. It is the flawless integration and boundless ability of the device which makes it so unique and popular. A better processor, higher resolution camera, better looks comes with every new version of iPhone which makes it a hot favorite item for all the buyers.