Samsung Galaxy J7 Button Not Lighting

A main concern is that the Samsung Galaxy J7 button not lighting, even though the Galaxy J7 is turned on.  The buttons on the Galaxy J7 light up when the phone is powered on, but the Galaxy J7 button not lighting for some. The reason that the Galaxy J7 touch keys are not turned on is because of situations that don’t have the best lighting condition. If you have touch keys by the Home button that doesn’t turn on, below we’ll explain how you can fix this problem.
 
 
How to fix Samsung Galaxy J7 button not lighting:
In most cases, the Samsung Galaxy J7 button not lighting doesn’t mean that the phone is broken, the buttons are just disabled and turned OFF. The reason that these keys are turned OFF is because the Galaxy J7 is in energy saving mode. Follow these step-by-step instructions on how to turn on the Touch Key lights on the J7:

1. Turn on the Samsung J7
2. Open the Menu page
3. Go to Settings
4. Select on “Quick Settings”
5. Select on “Power Saving”
6. Go to “Power Saving Mode”
7. Then go to “Restrict Performance”
8. Uncheck the box next to “Turn off touch key light”