Apple iPhone 4

Perhaps one of the most competed brand of all is Apple iPhone. Despite the smartphone’s ups and downs, the reception value for the smartphone never reduced in the market even after the launch of Apple iPhone 2G and 3G. The 4G version of the smartphone is best selling version of Apple iPhone to date. Apple has sold more than 14 million units of the smarpthone.
Features of Apple iPhone 4:
Operating system: iOS 4.2.1
Battery: Built-in rechargeable Li-ion battery 3.7 V at 1420 mAh
Processor: Apple A4 1 GHz processor
Storage: 16 GB or 32 GB flash memory
Memory: 512 MB eDRAM
Display: 3.5-inch Retina display 960x640-pixel resolution
Camera: 5 MP back-side illuminated sensor HD video (720p) at 30 fps, 3 MP VGA camera
Connectivity: Wi-Fi (802.11 b/g/n), Bluetooth 2.1 + EDR
Weight: 137 g (4.8 oz)

Noticeable features: One of the thinnest smartphone, retina display, stainless steel band, Apple A4 chip, Gyro plus accelerometer for advanced motion sensing, two microphones and perhaps the best of them all is its multi-touch display with pinch to zoom.