First make sure your phone is fully updated (the OS that is). Then if that doesn't resolve it, try the following...
1. Go into "Settings", tap "System" and then tap "About Device".
2. Locate "Build number" and tap it 6 times very quickly (7 on some devices).
3. You should then get a message saying: "You are now a developer".
4. Now to back to the "Home Screen" and again tap "Settings" and then "System".
5. You should now see "Developer Options" listed in there.
6. Next tap "Developer Options" and then "Drawing Section" or "Rendering Section" (depending on your system).
7. In here you want to locate and tap "Turn off hardware overlays" or "Disable hardware overlays" (again depending on the wording yours uses).
8. This should...