Discover How to Test Your iPhone Screen for Dead Pixels, Authenticity, and Quality

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Ngày cập nhật gần nhất: 15/4/2026

You're considering buying an iPhone but don't know how to test its screen. In this article, we'll provide detailed instructions on how to check your iPhone screen for dead pixels, authenticity, and quality.

When purchasing a phone, it's essential to prioritize screen inspection. This article guides you through detailed steps to test iPhone screen for dead pixels, authenticity, and quality.

Checking the iPhone IMEI is crucial to verify the device's authenticity and quality, avoiding the purchase of counterfeit or low-quality products. It also provides information on network lock status, international version, and manufacturing origin.

Discover How to Test Your iPhone Screen for Dead Pixels, Authenticity, and Quality

To thoroughly check your iPhone screen, follow these steps:

Step 1. Access the following link on your phone's browser.

Step 2. In your browser, tap the Play icon to start the iPhone screen testing process.

Step 3. A video will run, changing colors for 10 seconds for you to observe dead pixels on the screen. If you want a closer look, pause the video.

Step 4. Then, it will switch to different colors like green or blue to help you determine if your screen displays colors accurately. Pay close attention.

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With these simple steps, you can accurately and thoroughly test your iPhone screen for dead pixels and authenticity. We hope this guide helps you gain more experience to avoid purchasing iPhones with screen issues. After completing the screen test, you can take screenshots of beautiful moments. We've provided detailed instructions on how to capture iPhone screens. Good luck!

Frequently Asked Questions

What steps should I follow to test my iPhone screen?

To test your iPhone screen, access the provided link on your phone's browser and tap the Play icon to start the testing process. The video will display colors for 10 seconds to help you check for dead pixels and color accuracy.

How can I verify the authenticity of my iPhone before purchasing?

You can verify your iPhone's authenticity by checking the IMEI number. This process will provide information about the device's authenticity, network lock status, and whether it’s an international version or counterfeit product.

Is it necessary to check for dead pixels on an iPhone screen?

Yes, it is crucial to check for dead pixels on an iPhone screen. This ensures that you are purchasing a high-quality device without display issues, which can significantly affect your user experience.

How long does the iPhone screen testing process take?

The iPhone screen testing process takes about 10 seconds. During this time, the screen will display various colors to help you identify any dead pixels and assess color accuracy effectively.

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