The device has a built-in, non-removable battery. Do not attempt to remove the battery from the device. Take the device to the nearest service facility for replacement of the battery. Authorized outlets also offer a battery replacement. You can charge the battery with a designated Nokia charger, or via a USB cable and a compatible device such as a PC.
Tip: There are many ways to make your battery life to extend. Example, always fully charge the battery, connect the applications you are not using and using wired headphones instead of speaker. Turn the big clock screen saver, select Menu> Settings> Themes> Screen Saver> None
Restarting the phone
If the device stops responding, it is possible to manually restart in case of application failure or other reasons. Press it for about 8 seconds. The device vibrates three times. To switch on your device, press the button.
Note: The battery is not removable, do not attempt to remove it.