If the diagnostic tools reveal a flaw, it doesn't always mean your phone is broken. Many screen glitches are caused by driver conflicts, software corruption, or improper calibration. Use these troubleshooting methods to fix them: 1. Fix Touch Screen Dead Zones and Insensitive Areas
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If the *#0*# touch test persistently shows blank squares after removing screen protectors and cleaning the glass, the physical digitizer layer underneath the glass is cracked or short-circuited. samsung galaxy diagnostics screen tool fixer
Last Updated: October 2025
This comprehensive guide will walk you through how to access and use these hidden but powerful diagnostic systems. You'll learn about the secret hardware test menu, the Samsung Members app for self-diagnosis, advanced fixes for screen burn-in, and step-by-step solutions for the most common issues. If the diagnostic tools reveal a flaw, it
Go to Settings > Display > Motion Smoothness . Switch your device from Adaptive (120Hz) to Standard (60Hz) , then restart your phone. Sometimes forcing the screen driver to change refresh rates resets stuck pixels.
Accessing the is the most effective way to identify hardware failures, screen burn-in, or unresponsive touch areas without visiting a repair shop. Whether you use hidden dialer codes or official apps, these tools provide a direct look into your phone's internal health. 1. Secret Dialer Code: The Instant Hardware Test Fix Touch Screen Dead Zones and Insensitive Areas
If the diagnostic tool reveals that your screen hardware is fully functional (all colors display correctly and touch zones register), your screen issues are likely software-related. Try these direct fixes:
Once you type the last # , the will launch automatically. No need to press call.