Screen Test: Dead Pixel Check

Screen Test is a full-screen display tester for visually checking dead pixels, stuck pixels, possible burn-in, screen colors, gradients, patterns and touch response on phones and tablets. Use it when checking a new phone, inspecting a used device, or confirming display condition after repair. The app shows solid colors, gray levels, gradients and test patterns so you can review your screen directly. Main features - Full screen color test - Dead pixel check - Stuck pixel check - AMOLED/OLED burn-in check helper - Touch and multi-touch test - Gradient and color banding check - Grid, line, edge and pattern tests - Quick screen check mode - Keep screen awake option - Korean and English support This app is a visual screen test utility. It does not automatically diagnose hardware defects and does not repair burn-in or damaged pixels. Run a simple full-screen display test to check dead pixels, possible burn-in, screen colors, gradients and touch response directly on your device.