The tips to increase the battery life of E71

Here are some things one can try to increase battery life on their devices.
1. switch the phone from dual mode to GSM mode only
2. turn off bluetooth connection when not needed
3. turn off wlan scanning when not using it
4. reduce the backlight power saver time
5. reduce backlight brightness
6.
exit any applications that are not necessary, you can do so by pressing
the menu key to see all open applications on your phone. in order to
close the application that is running use the c key.