This is an amazingly useful mode when you desperately need to use your device longer than the battery level shows you. When the Battery Saver is activated, your device performs a bit less quickly but will stay running longer. If you would like to extend the life of your battery, then use our video tutorial in order to learn how to easily get into battery settings to activate power saving mode smoothly. In the below instruction, you will be able to find how to use your smartphone for longer. Let’s follow our step by step guide and save power in your device.