Give me some information about iphone 4g specs?

The iPhone 4 is the latest mobile phone from the Apple brand. It is the 4th generation of the iPhone device and was officially launched in 2010 (in black) and 2011 (in white).Unlike previous versions of the iPhone (2G, 3G and 3G), emphasizes the aesthetic renovation, with a polygonal form a front and back designs made in glass on a steel chassis. Also highlighted by the debut of the new system

History

Launched in the U.S., Japan, UK, France and Germany on June 24, 2010. The first major difference of this version over previous ones is its design. Both the front and rear are made of aluminum silicate glass (Gorilla Glass) in addition to having a stainless steel frame which doubles as the antenna. The iPhone 4 is 9.3 mm thick.
The display also features improvements. Its size is 3.5 inches and 960 x 640 pixels.Called "Retinal Display", has resolution four times (twice on each side) that the iPhone3G and with 326 pixels per inch, has 78% of the pixels of the iPad. As expected, theiPhone 4 now has two cameras, one front and one rear video calling, with a quality 5 megapixel LED flash photography. Now you can record 720p HD video and autofocusfunction is already enabled for video. It also has 512 MB of RAM.

IPhone Technical Specifications 4

Dimensions and weight1

• High: 115.2 mm
• Ancho: 58.6 mm
• Bottom: 9.3 mm
• Weight: 137 grams

color

• Blanca o negro

Pantalla

• Retinal display
• Overview of Multi-Touch 3.5-inch (diagonal)
• Resolution of 960 by 640 pixels at 326 p / p
• Contrast ratio of 800:1 (typical)
• Cover oleaginous HUELLA resistant lock picks them in front and behind
• Compatible with the simultaneous presentation of multiple languages ​​and characters of groups

geographic Location

• assisted GPS
• digital Compass
• Wi-Fi
• IPOD telephony

Requirements for Windows

• PC with USB 2.0 Port
• Windows Vista XP, the Home Professional, with Service Pack 3 further
• the later iTunes 9.2
• Currents del iTunes Store
• Internet Access