I have a Samsung S8. I came across another post about this but I couldn't try the solution because I had NO CLUE where on my phone to go into the settings to change this.
Ok, so my phone screen keeps turning off after 30 seconds EVEN if I have my screen timeout set to 5 min. And when I go BACK into the settings to check, it has switched back to "screen timeout 30 seconds".
There was a solution, something having to do with the lock screen. But I couldn't find it in the settings because they didn't give you steps as to where to find it.
I go to settings > lock screen and I don't see anything in there about how to make it so the screen stays on for 5 min and doesn't switch back to 30 seconds.
I also go into settings > display > screen timeout and can't find anything to keep the screen on for more than 30 seconds.
What am I missing???