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Feb 21, 2025 • Filed to: Manage Device Data • Proven solutions
Performing a screen test for an iPhone is essential because it helps identify any display problems. The screen is the primary interface of an iPhone, and it's crucial to ensure that it functions correctly for optimal performance. An iPhone screen test can detect any hardware or software issues, and if there are any malfunctions with the screen, it could affect the device's usability.
This article will share five quick and simple ways to perform touch tests for iPhones before introducing third-party software to do a deep analysis by executing a screen test for an iPhone. If all these tricks do not work for you, we have an application to recommend that would give you peace of mind knowing the condition of your iPhone.
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iPhones are expensive devices, and their screens are essential components that should be in top working condition. This section will share some common and easy ways to diagnose issues with your iPhone screen and take appropriate measures to repair or replace it.
An iPhone touch test is the first test that users should perform to check the screen's responsiveness. It is a simple test to determine the touchscreen functionality of an iPhone. This touch screen test can detect any issues with the touch screen, such as dead zones or areas where the screen does not respond to touch. It also checks if the touch points match the actual touch location.
Here are the steps for performing the touch test on your iPhone:
Note: If you notice that the icon slips off your finger at any point on the screen, the touch point could already be faulty.
Another way to test is to open the Notes app and select the pen icon to draw a line on the point you suspect is dead touch. You will notice a broken line at the other dead point, signifying that the point is paralyzed.
Another exciting way to perform an iPhone touchscreen test is to check the color of the iPhone screen. Sometimes, it is a common mistake while manufacturing the iPhone rendering the screen color. A common mistake in colors can be yellow, blue, or pink. This color error will affect the overall user experience.
To test iPhone renders, take two iPhones and open the Settings app, and set the brightness to the maximum. Put both iPhones next to each other and compare the two screens' differences. If the color difference is noticeable, the screen has a problem.
The problem of light exposure goes largely unnoticed by many users, even when it is a common issue. It is likely because the error is not very noticeable on the screen and does not significantly affect the brightness level. The LCD screen assembly causes the error with a non-standard backlight, which leads to light leakage on the sides of the phone screen.
Here are the quick steps to test the light on the iPhone:
The iPhone comes with several built-in diagnostic tools that you can use to troubleshoot issues and check the health of your device. Besides the basic checks such as battery health, store management, network connectivity, etc., the iPhone has a built-in diagnostic tool called "Screen Test" that allows you to check your device's display and touch functionality.
To access this tool, follow these steps:
Many iPhone users prefer to seek technical support from Apple's team of knowledgeable professionals when they encounter device problems. You can seek assistance from Apple support by contacting them directly or scheduling an appointment at the Genius Bar in an Apple store. Sometimes, visiting the Genius Bar may be required, especially if you have iOS 10. You must visit the Genius Bar to access diagnostics.apple.com.
To run a diagnostic test, type "diagnostics://" into the Safari browser on your iPhone and enter the service number provided by the technician in the appropriate field. If the test identifies any issues, you can attempt to address them independently (if they are simple enough) or send the phone in for repair.
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Testing the touchscreen of an iPhone is an essential step in determining its overall functionality. While built-in diagnostic tools are available, some users may prefer to use third-party software for a more comprehensive analysis. This section will discuss two third-party software to explain how you can perform this.
Touch Screen Test is a popular third-party software tool for running touch tests for iPhones. This app is available for download on the App Store. It is designed to give users a simple and effective way to test their touchscreen's touch response, accuracy, and other performance metrics.
Once installed, Touch Screen Test runs a series of tests on the iPhone's touchscreen, including a touch response test, a touch accuracy test, and a touch speed test. The app provides users with real-time feedback on the performance of their touchscreen and displays any potential issues or problems detected during the testing process.
Phone Doctor Plus is a third-party app that allows iPhone users to test the performance of various hardware and software components on their devices. With the app, users can run comprehensive diagnostics to identify potential issues and areas for improvement, including iPhone screen tests, microphone, speaker, camera, sensors, CPU, memory, storage, and battery health.
The app provides real-time feedback and a user-friendly interface, making it easy for users to interpret results and act if necessary. Phone Doctor Plus is a helpful tool for iPhone users who want to take a more proactive approach to maintain their device's performance.
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Wondershare Dr.Fone is a third-party software toolkit designed to help users manage, recover, and transfer data from iOS and Android devices. Developed by Wondershare, Dr.Fone provides various tools and features that enable users to troubleshoot various issues, including performing an iPhone screen test report.
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Dr.Fone is the right tool to check the condition of your iPhone's display and other parts, thanks to its handy verification report. Follow the steps below to access the verification report:
While the Verification Report feature of Dr.Fone cannot perform a dedicated screen test, it can give you an idea of the overall condition of your iPhone's hardware, including the screen. If you suspect specific issues with your iPhone's screen, you may want to consider using dedicated screen-testing software or seeking assistance from a professional technician.
This article summarizes possible ways to perform a touch test for your iPhone. It also shares five tips and tricks to perform screen tests for your iPhone efficiently. In addition, two pieces of third-party software will give you a deeper analysis of the status of your screen of iPhones through a rigorous screen test.
It is also worth pursuing Dr.Fone - Phone Verification feature, where you can check the condition of your iPhone's display thanks to its handy verification report. This report gives a good overview of the status of your iPhone's different functions, and you can use it to share with potential secondhand buyers or provide you with peace of mind.
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