You should consider activating Safe Mode if you are experiencing:
: In the power menu, touch and hold the Power off icon for a few seconds until the Safe mode prompt appears. How to Activate Safe Mode on SAMSUNG Galaxy A34...
The screen is black, but the phone vibrates or lights up slightly. Solution: If the screen works in Safe Mode, you know the display isn't broken. The issue is an app that modified the display overlay permissions (like a blue light filter or chat head app). You should consider activating Safe Mode if you
"Watch closely," Leo said. He took her phone and did the following: The issue is an app that modified the
: Swipe down from the top of your screen to open the Quick Settings panel and tap the Power icon , or press and hold the Side button and Volume Down button simultaneously.
"But what if my screen is totally frozen and I can't even get to the power menu?" Sarah asked.