Screen Test - Dead Pixel Check

Screen Test is the ultimate display diagnostic toolkit for Android. Detect dead pixels, test touch responsiveness, check burn-in damage, and analyze your screen specs — all in one lightweight app. Whether you just bought a new phone, suspect display issues, or want to verify your screen's quality, Screen Test provides professional-grade diagnostic tools. 🔍 SCREEN TESTS • Dead Pixel Test — Cycle through solid colors to spot dead, stuck, or hot pixels on LCD and OLED screens. • Touch Screen Test — Draw across the display to find unresponsive dead zones on your digitizer. • Multi-Touch Test — Check how many simultaneous touch points your screen supports. • Color Accuracy Test — Verify color reproduction with RGB gradients, grayscale ramps, and SMPTE color bars. • Screen Uniformity Test — Detect backlight bleed and uneven brightness across your panel. • Contrast Test — Examine contrast ratios with checkerboard and stripe patterns. • Grid & Line Test — Identify screen distortion with precise grid, crosshair, and circle patterns. • Response Time Test — Check for ghosting and motion blur with moving objects at adjustable speeds. • Brightness Test — Test your display's brightness range from 0% to 100%. • Burn-In Test — Detect OLED burn-in and image retention from status bars, keyboards, and navigation bars. 📱 DEVICE & SCREEN INFO • Device model, manufacturer, and Android version • Screen resolution, density (DPI), and refresh rate • Supported refresh rates, aspect ratio • HDR capability and peak brightness • Wide color gamut (DCI-P3 vs sRGB) • Display cutout detection • Font scale setting • Local and public IP address ⚡ WHY SCREEN TEST? • Lightweight — Tiny app size, no bloat • No permissions required — Runs entirely offline • Dark mode support — Follows your system theme • Works on all devices — Phones, tablets, and foldables • 32 languages supported Download Screen Test now and make sure your display is flawless!