Cause 7 of 15: Mobile data is turned on
If mobile data is turned on, the power consumption may increase because applications on your phone keep using data.
Solution: Turn off mobile data.
1 Turn mobile data on or off
Slide two fingers downwards starting from the top the screen.
Press Mobile data to turn the function on or off.
2 Return to the home screen
Press the Home key to return to the home screen.