LG V10 comes with a small second screen on the top to show the notifications, quick access to app and a lot more. If you are not a fan, you can easily disable and turn off second screen on LG V10 do as follows:
1. Open the Settings application
2. Go to the Display tab and tap the Second Screen option under the Home & Lock settings (If you are on the List view, find the Second Screen under the Device settings)
3. Now to disable second screen on V10, make sure to toggle off both the "Show when main screen on" and "Show when main screen off" options.