The Way to Extend iPhone 3 G’s Battery Life: II
There are the ways to extend the battery life of iPhone 3G.
3G: The new iPhone is released to the market with 3G that its capabilities powerful for quicker emailing, faster downloads, speedier maps, and much more, but not cover a all areas and poor in some locations. 3G network can be turned off completely in the iPhone’s settings menu and you should to do this if it is rarely used. This is one way to improve your battery life.