See also: How to Enable or Disable Power Saving on Samsung Galaxy S3
Unfortunately, enabling power saving may result in less power to consume by the device that sometimes caused the phone not to work as your expectations. One of which is you may find the background color in Email apps arbitrarily is changed, either black background or white background.
How to solve background color changed in Email apps?
Below are the steps to do to solve the problem:
- Go to Settings.
- Tap Power saving.
- Disable the Background colour option. When the box next to this option is unchecked means this option is turned off.
- Tap Home button to return to the Home screen.
Once you do these steps, now the problem of the email background color changed should be resolved. However, if you have your own solution to fix this problem, then I'll appreciate if you willing to share them here through the comment below :)