Screen flashes green on Galaxy A57 5G
If your Galaxy A57 5G screen briefly flashes green when you turn it on, updating your device to the latest software version can quickly resolve the issue.
Tap Appear on top, and then locate the app(s) that use an overlay. Tap the switch next to them to disable the overlay permission.
Apps that display bubbles, chat heads, or alter the screen colors are frequently the source of the warning.
Select CONTINUE to visit HP's website.