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How to Check Your Samsung Screen Using Secret Codes

James Davis

Jul 23, 2025 • Filed to: Device Data Management • Proven solutions

Smartphones are now a big part of your everyday life. You use them to talk, stream videos, scroll social media, or even work on the go. But with daily use, screen issues can happen. From small scratches to serious display problems, these issues can affect how your phone works.

If you have a Samsung phone, there’s good news. Samsung has built-in tools to help you check your screen. One of the most helpful is the Samsung screen test code. This code helps you find screen problems quickly, saving time and money. In this article, you'll learn how to use the Samsung screen test code to keep your phone running smoothly.

Part 1. Understanding Samsung Screen Test Codes

Samsung display test codes are hidden codes that allow users to check their phone functionality. These codes are easy to access and can be used to perform various tests to identify smartphone issues, including the screen.

Using these codes can be very helpful because they can help us in several ways. For example, they allow us to detect problems early on, which can prevent them from becoming more severe and costly to fix.

Additionally, they can help us save time and money on repairs. We can use these codes to check if our phone's screen is working properly before anything happens.

Here is a list of Samsung screen test codes:

  • *#0*#- This code allows you to test various components of your phone, including the screen. You can check for dead pixels, color accuracy, and touch sensitivity.
  • *#*#0*#*#* - This is the Samsung LCD test code. You can use it to test the functionality of your device's display (LCD).
  • *#2663#- This is the Samsung touchscreen test code. It gives you access to the Touchscreen Firmware Update menu, which can help fix touchscreen issues.

Try using these codes to ensure that your phone's screen is functioning correctly. With the list of secret codes provided, you can now perform screen checks and keep your phones functioning optimally.

Part 2. How To Test Your Samsung Screen Using Secret Codes

Now that we know more about Samsung screen test codes, it's time to dive into the process of how to test your device’s screen using these codes.

Follow the steps for using Samsung secret codes below:

  • Step 1: Tap on the Phone app icon to open it.
  • Step 2: Dial the code you want to use.

Look for the Samsung touchscreen test code in the list provided in Part 1 if you have a problem with the touchscreen. Which secret code to use will depend on your issues.

Dial a Samsung secret code.

  • Step 3: Press the call button.

If it doesn’t automatically direct you to the results, try pressing the call button and wait for the test to complete. You can interpret the results and take action if necessary.

Note: It’s important to know that the screen test codes mentioned in this article may not work on all Samsung phone models or carriers. The codes may also vary depending on your phone's region or operating system.

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Part 3. Common Issues Detected by Samsung Screen Test Codes

Samsung screen check codes can detect a wide range of screen issues. The most common ones include dead pixels, color accuracy, touch sensitivity, and screen burn-in. If you are unsure about them, we have simplified the information here:

  1. Dead pixels

Dead pixels are areas of the screen that do not display any image. This issue can be caused by physical damage to the screen or a manufacturing defect. To test for dead pixels, use the #0# code and select the "Red," "Green," and "Blue" options. If you notice any black spots, your screen may have dead pixels.

  1. Color accuracy

Color accuracy is another issue that can affect your screen's quality. It can be caused by calibration issues or hardware problems. To test for color accuracy, use the same code and select the "Display" option. From there, you can compare the colors displayed on your screen to the reference colors and adjust the calibration if necessary.

  1. Touch sensitivity

Touch sensitivity issues can cause your screen to be unresponsive or register false touches. When dialing the code, select the "Touch" option and test the touch accuracy and sensitivity by drawing lines and shapes on the screen.

  1. Screen burn-in

Screen burn-in occurs when an image remains on the screen for an extended period. It causes a ghost image to appear even after the image has been removed. To test for screen burn-in, the code will let you select from the "Red," "Green," and "Blue" options. From there, you can check for any ghost images that may be present.

Samsung’s touch sensitivity settings.

Interpreting the screen check code for Samsung is essential for taking appropriate action. However, remember that not all screen issues can be fixed through these codes. If you notice any persistent issues, it's always best to contact your phone manufacturer or a repair technician for assistance.

Bonus Part: How To Check Your Samsung Device’s Details Using a Third-Party App

As a Samsung user, it’s only natural to want to check your device’s performance and details from time to time. This helps you spot issues early, improve performance, and better understand how your phone is doing.

One tool that can help is Wondershare Dr.Fone. It’s a simple, reliable app that gives you a complete look at your Samsung phone’s hardware and software. You’ll be able to see everything from device specs and CPU info to performance and security details.

Key features include:

  • Full device overview, including CPU and operating system information

  • Accurate data specific to your connected device

  • Works smoothly across different devices

If you’re using the Phone Verification feature, note that it works differently on Android and iPhone. iPhone users get both device info and a verification report, while Android users receive just the device details.

See the instructions to use the Dr.Fone Device Details tool:

    • Step 1: Launch Dr.Fone on your computer after connecting it to your phone.
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Then, you may proceed to adhere to the guidelines presented by the software.

  • Step 2: Access your device by tapping the device type.

Dr.Fone Phone Check feature for iPhone.

  • Step 3: Check your phone's condition by opening Device Details.

This will allow you to view its general status, battery health, and specifications.

Dr.Fone’s Device Details feature.

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Conclusion

Using Samsung display check codes is a quick way to find screen problems before they get worse. These codes can help you save time and money, but they may not fix every issue. If your screen still isn’t working right, it’s a good idea to contact Samsung or a repair expert. Also, keep in mind that these codes might not work on every model or in every region. For a deeper look at your phone’s performance, you can use tools like Dr.Fone. It gives you clear, detailed info to help keep your Samsung phone running smoothly.

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James Davis

staff Editor

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