: If the code does not work on newer models like the S25, go to Settings > Security and Privacy > Auto Blocker and turn it off. Samsung Members App
Software-induced stuck pixels can often be revived by running a third-party pixel flasher app from the Google Play Store for 30 minutes. These apps cycle RGB colors rapidly to force the liquid crystal or OLED diode to reset. Physical dead pixels require a screen replacement. 2. Resolving Touch Unresponsiveness and Ghost Touches samsung galaxy diagnostics screen tool fixer
Download a third-party app like "Touchscreen Calibration" from the Play Store. It forces the Android system to reset the touch configuration, which can sometimes revive unresponsive areas without a repair shop. : If the code does not work on
The menu will not let you exit back to the main screen until every single box turns green. If a specific region of your screen has a dead digitizer zone, you will be stuck on this screen, proving a definitive hardware failure in that sector. (To force exit if stuck, press the Volume Up button or the power key combination). The Dimming Module Physical dead pixels require a screen replacement
If a vertical or horizontal strip of the screen doesn't respond:
