The short battery life may be solved by the following ways; resetting the network settings. This can be a great solution to this problem. You just need to tap settings, general, and reset then lastly tap reset network settings which will automatically restart the iphone, deleting all stored passwords, DNS settings and other unwanted settings.
Another way is by resetting the iphone itself. This is because just resetting the 3G iphone is able to resolve the signal strength problems and this can be done by holding the home and the sleep keys continuously till you see the logo that will indicate that your iphone has been restarted successfully. You can also turn off the iphone 3G because its exchange functionality and some other accounts can destroy the battery’s life. This option can be turned off for the comparison of the new and old battery. It is also advisable that you use force quit applications. This can be done when the applications are lost unexpectedly and the poor battery is noticed late.
The force quite applications require that you relaunch the present application then force-quit it. This can be achieved through pressing down the home keys continuously for some time which can do away with the problems that may be lowering the battery’s power. For you to get the best out off the new iphone 3G battery, all you need to do is to switch it of, reduce the use of location services that are available, collect the new data regularly, switch off the push mail, auto check some few e mail accounts, try to reduce the third party usage, switch off the Wi-Fi, also switch off the Bluetooth device and turn off the EQ among others. All in all, the iPhone 3g battery can give you excellent service once you know how to handle it.