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!