Dead Pixel Test

Check your phone's display with Dead Pixel Test, a simple and easy-to-use tool designed to help you identify potential dead, stuck, or faulty pixels using full-screen color patterns.

Key Features

Solid Color Test: Display red, green, blue, white, and black screens to inspect individual pixels.

Color Cycle Test: Automatically switch between colors for convenient screen testing.

Gradient Test: Inspect color gradients for visible banding or irregularities.

Black & White Test: Check for pixels that appear unusually bright or dark.

Grid Test: Display a grid to inspect screen alignment and visual consistency.

Touch Test: Check touch response across your display.

Pixel Guide: Learn about dead pixels, stuck pixels, and hot pixels.

Simple Interface: Navigate tests easily with a clean, minimal design.

How to Use

Open the app and choose a test mode.

Display the selected color or pattern across your screen.

Carefully inspect the display for unusual dots or color differences.

Switch between test modes to examine your screen under different conditions.

Why Use Dead Pixel Test?

Whether you're checking a new phone, inspecting a used device before buying it, or simply examining your current display, this app provides convenient tools for visual screen testing.

Note: This app helps you visually identify potential pixel issues. It cannot guarantee detection of every display defect, repair damaged pixels, or replace professional hardware diagnostics.