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About Dead Pixel Test
Free dead pixel test for Android phones, tablets and TVs: find dead, stuck and hot pixels in seconds.
A dead pixel test is the fastest way to check a new or used screen before the return window closes. The app fills the whole display with solid red, green, blue, white and black so any pixel that does not change color stands out right away. It works on phones, tablets, Chromebooks and Android TV boxes, and it takes less than a minute.
How To Check Your Screen For Dead Pixels
Clean the glass, turn brightness up to full, and run the colors one by one. A black dot on a white or colored screen is a dead pixel. A bright red, green or blue dot that stays on a black screen is a stuck or hot pixel. Look at the corners and the edges first, because that is where factory defects usually hide.
Dead Pixel Or Stuck Pixel
A dead pixel gets no power and stays black, so software cannot bring it back. A stuck pixel still has power but one of its sub-pixels is frozen, and it can often be revived. If the test finds a colored dot, try our Stuck Pixel Fixer before you send the device back.
Which App The Install Button Opens
No app on Google Play uses this exact name, so the Install button opens Dead Pixels Test and Fix by ZooxSoft, one of the most installed pixel checkers on the store. It runs the full color test and also includes a repair mode for stuck pixels and light burn-in.
Key Features
- Full screen red, green, blue, white and black test colors
- Finds dead, stuck, hot and broken pixels
- Works on LCD, IPS, OLED and AMOLED screens
- Built-in repair mode for stuck sub-pixels
- Handy check before buying a used phone or tablet
- No account and no setup needed
Our Take On Dead Pixel Test
What We Like
- Gives a clear answer in under a minute
- Good for warranty and return claims
- Free and very light on storage
What Could Be Better
- No app can bring a truly dead black pixel back to life
- Small defects are easy to miss on very bright high resolution screens
Download Safety
- Official source You get it from the official store listing.
- No changes made You install the developer's own build, nothing in between.
Questions People Ask About Dead Pixel Test
01 How do I test my screen for dead pixels?
Open the test, set brightness to full and step through each solid color. Any dot that keeps the wrong color is a faulty pixel.
02 Can a dead pixel fix itself?
A true dead pixel stays black for good. A stuck pixel can sometimes recover on its own or with a pixel fixer that flashes colors over it.
03 How many dead pixels are acceptable?
It depends on the maker. Many brands replace a screen only after a set number of bright or dark dots, so check the warranty policy for your model.
04 Does this dead pixel test work on a TV?
Yes. Install it on an Android TV or TV box, or cast it to the TV, and run the colors full screen.
05 Is Dead Pixel Test free to download?
Yes. Dead Pixel Test is free to download and install.
06 Is it safe to install Dead Pixel Test from here?
Yes. The button opens the official store listing, so you install it the normal way and get automatic updates.
07 How do I update Dead Pixel Test?
Once Dead Pixel Test is installed from the store, updates arrive on their own. You can also tap Install New Version on this page to open the newest release.
How To Install Dead Pixel Test
- Tap the install button. The official store page opens.
- Tap Install and wait for it to finish.
- Open the app from your home screen.
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