Samsung Galaxy S3: How to Customize Power Saving Settings

To prevent your Samsung Galaxy SIII encountering poor battery life issue or quickly drained, then enabling power saving mode is one way to save a battery a little better.

See also: How to Enable or Disable Power Saving on Samsung Galaxy S3

Once you've enabled this option, then your phone will do some adjustments in order to consume less battery, such as by decreasing the brightness of the