All About iPhones and How Does it Work

Definition:
The iPhone 3G is Apple’s second iPhone model. It builds on the success of the first-generation iPhone and adds a number of new features to the device. One key addition is 3G wireless connectivity, an improved data standard that makes downloads nearly twice as fast as on the original iPhone.

The iPhone 3G is also significantly less expensive than the original model, debuting at $199 for the 8GB model and $299 for the 16GB model, where the 16GB model of the original version cost $399.

Capacity:

8GB

16GB

Colors:

Black

White – 16GB

Battery Life:

5 hours talk on 3G/10 hours talk on 2G

300 hours standby

5 hours 3G Internet use/6 hours on WiFi

7 hours video playback

24 hours audio playback

Size and Weight:

4.5 inches tall x 2.4 inches wide x 0.48 inches deep
Weight: 4.7 ounces

Availability:

Released: July 2008

Discontinued – N/A (still being sold)

Also Known As: Second-Generation iPhone

Source:

http://ipod.about.com/od/understandingiphonemodels/g/iphone_3g_def.htm