Apple iPhone 4If the screen size remain unchanged compared to the iPhone 3GS, Apple has with its iPhone 4 ‘s new features and better life. Between the 3GS and iPhone 4 you will earn 2 hours of autonomy, i.e. a total of 7 hours autonomy in GSM mode. Veritable gateway to the Web, the iPhone 4 has a WiFi chip 802.11 b/g/n and 3 g technology. Multitask, this device can use several applications at the same time. With Apple’s iPhone 4 passed from one application to another instantly, without weakening the phone’s battery and the performance of your applications. The smartphone iPhone 4 swap the photo to 3 megapixel sensor of the previous version for a 5 megapixel camera. Now, the Apple films in HD. The iPhone 4 records what you want in 720 pixels.
With the help of FaceTime, the iPhone 4 makes the videophone more accessible and simpler. This modern phone is equipped with two sensors, one facing the user, the other outwards. Also reading and navigation are more comfortable. This iPhone have  3.5 inches and a resolution of 960 x 640 pixels. With a higher density than other smartphones, it is impossible for the human eye to distinguish the pixels. The Apple iPhone 4 does not have a password: make your life easier.