This guide will show you how to turn off some features on your phone to extend the battery time. Use the guide as a guideline for extending the battery life in situations when in need and the battery is low. Make sure you read all the text in the different steps when turning a service off and remember that it is easily turned on again.
Deactivating WLAN and Bluetooth will help to save battery.
Deactivating GPS will help to save battery. Remember to activate again when you need GPS services.