Backlight when phone is plugged in and charging

[Jonathan Bell2]

When I receive text messages while my Galaxy s5 is plugged in and charging the screen will light up bright and then go dim, but the screen does not go back to the locked black screen, therefore, the phone remains lit up all night until I physically re-lock the phone. How do I get my phone to go back to the black screen after receiving a text message while plugged in? I currently have "Preview Message" on lock screen off. Thanks.

 

[Jonathan Bell2]

My post above has received 460 views, but I have not received a response. Can anyone provide information on the question above? Thank you.

 

[Steven Vega]

Did you try changing your lock screen to a different mode?

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