Phone Test: Screen, Dead Pixel

Phone Test is the all-in-one app to check your device's health in just a few minutes. Perfect for anyone buying or selling a used phone who wants to be sure everything works.

With fast, straightforward tests, you can check the screen, touch, sensors, battery and more — no hassle.

🔧 AVAILABLE TESTS

📱 Device Information

See model, manufacturer, Android version, screen resolution and density.

🎨 Screen / Dead Pixel Test

Fill the screen with pure colors (black, white, red, green, blue and more) to spot dead pixels, stains and burn-in.

👆 Touch Test

Find dead zones by touching across the whole screen surface.

🖐️ Multitouch

Discover how many fingers your screen detects at once.

🧭 Motion Sensors

Accelerometer, gyroscope and magnetometer in real time — just move your device and watch the values change.

🔋 Battery

Track the battery level and charging state.

🔦 Flashlight / Flash

Turn the camera LED on and off to test the flash.

✅ WHY USE IT

• Perfect for checking a used phone before you buy

• Every test in one fast, lightweight app

• Simple, clean interface

• No personal data collected