Galaxy Diagnostics Screen Tool Fixer
: Checks the screen's ability to adjust brightness levels. Method 2: Samsung Members App
If the screen flickers or acts up only in certain apps, restart in Safe Mode to see if a third-party app is the cause. galaxy diagnostics screen tool fixer
Vertical or horizontal lines indicating a broken display connector. Screen flickering that persists after a factory reset. Summary Checklist Potential "Fixer" Action Run "Dead Pixel Detect and Fix" app / Run *#0*# test Ghost Touches Clean screen, remove screen protector, Safe Mode Slow Response Toggle Touch Sensitivity, Clear Cache Partition Screen Burn-in Use Burn-in Reduction app, reduce brightness : Checks the screen's ability to adjust brightness levels
To run diagnostics here: