Dead Pixel Tester

Lumbini mines

Contains ads

About this app

Professional display diagnostics and screen testing toolkit for Android.

Whether you are checking a brand-new smartphone, inspecting a used device before purchase, or troubleshooting display anomalies, Dead Pixel Tester provides comprehensive tools to verify panel health, touch sensitivity, and color accuracy.

KEY FEATURES:
• Dead & Stuck Pixel Inspection: Full-screen solid RGB colors, black, white, and auto-cycling sequences to spot dead or stuck subpixels instantly.
• Burn-In & Image Retention: Examine ghosting, screen retention, and panel uniformity using gray levels and grid patterns.
• Grayscale & Color Gradients: Test smooth color transitions, color banding, and multi-step contrast.
• Brightness & Backlight Bleed: Inspect IPS glow, clouding, and backlight bleeding across varying brightness levels.
• Touch Screen Grid Tester: Interactive tile grid to verify touch sensor responsiveness and detect unregistering dead zones.
• Multi-Touch Tracker: Test multi-finger tracking, touch coordinates, and hardware touch limits in real-time.
• Hardware Display Info: View detailed screen specifications including exact resolution, pixel density, refresh rate, aspect ratio, and HDR capabilities.
• Built-In Inspection Guide: Step-by-step instructions on cleaning screens, evaluating lighting, and differentiating dead vs. stuck pixels.
• Fully Customizable: Adjustable auto-cycle speed intervals, grid densities, haptic feedback, and keep-screen-on preferences.

IMPORTANT DISCLAIMER:
Notice: Software testing helps identify suspicious pixels and display uniformity issues, but cannot physically repair hardware panel defects.