: Tap Red , Green , or Blue to fill the screen with that color. This helps you spot dead pixels or backlight bleeding.
: Tap Touch and trace your finger along the grid lines. If they turn green, your touch sensor is working correctly. samsung galaxy diagnostics screen tool fixer hot
The Samsung Galaxy Diagnostics Screen Tool is a essential built-in feature designed to help you identify and resolve display issues—such as dead pixels, touch unresponsiveness, or color distortion—without needing immediate professional repair. How to Access the Secret Diagnostic Menu : Tap Red , Green , or Blue
If *#0*# doesn't work, ensure Auto Blocker is disabled in your Security & Privacy settings. Official Diagnostic via Samsung Members If they turn green, your touch sensor is working correctly
The fastest way to test your screen is through a hidden hardware test menu. Open your app. Dial the code *#0*# . A grid of white buttons will appear.
