TheSamsung Galaxy S20, S20 +, and S20 Ultra show the toolbar at the bottom of the display immediately after taking a screenshot. The bar allows you to quickly edit, share, and capture scrolling screenshots. Disabling this feature is easy if you don't like the popup interface.
How to disable the Screenshot Toolbar?
Start by opening your phone's settings. The easiest way to get to the menu is by swiping down from the top of the screen and opening the notification panel. Now tap on the gear icon next to the power button.
Scroll down and tap on the “Advanced Features” option.
Locate the “Screenshots And Screen Recorder” menu and then select it.
Finally, tap on the toggle next to “Screenshot Toolbar” to turn off the feature. The item will gray out when disabled.
How to take a screenshot in Samsung Galaxy S20?
Be sure that on the display you want to capture on Screenshot.
Now press together Volume Down and Power Button.
When you hear shutter sound or the screen flashes.