Green square on the screen Xiaomi Redmi: causes and solution

The sudden appearance of a green square on the display of a Xiaomi Redmi smartphone often causes panic among owners. Many users immediately begin to look for information about burned matrixes or hardware breakdowns for fear of expensive repairs. However, in most cases, this visual artifact has nothing to do with the physical malfunction of the screen.

This phenomenon usually indicates the activation of one of the built-in functions of the operating system MIUI or HyperOS. Most often it is a random switch on the magnifier mode or special features for the visually impaired, understanding the nature of this element will save you time and nerves.

In this article, we will discuss in detail all possible causes of the green square and provide step-by-step instructions for eliminating it, you will learn how to adjust the magnification parameters and prevent accidental activation of functions in the future.

Main cause: Accidental activation of the magnifying function

The most common reason for the green square on Xiaomi’s screen is the built-in Magnification feature, which is designed for people with low vision and allows you to zoom in on a specific section of the display.

The green box here represents the boundaries of the area that will be enlarged, it can be fixed or it can move around the screen depending on the settings, and if you see this element, then the zoom mode is active at the moment, even if the image itself is not enlarged.

To test this theory, try tapping a few taps on the screen or pressing volume buttons. If a square responds to your actions or changes the scale of the content inside itself, the problem is solved by simply turning off the function in the settings. The green square is the interface of the accessibility function, not a matrix defect.

⚠️ Warning: Do not try to “cure” this square by restarting the device without first checking the settings, as when the autostart option is enabled, it will appear again immediately after the screen is turned on.

To make sure you know why, you have to look at recent history, whether you've pressed the screen three times in a row, or whether you've pressed the power and volume keys simultaneously, and these are the default gestures that activate the magnifier mode in the MIUI shell.

How to turn off the green square through settings

Fixing the problem doesn't require complicated manipulations. You need to get into the special features menu. Because the screen can be partially closed or enlarged, you need to act consistently. Go to the main settings menu of your Redmi smartphone.

Find a section called "Additional Settings" or "Extended Settings." In some versions of the firmware, it can be located right at the root menu. Next, you're interested in "Accessibility," which is where all the features that affect the display of the interface are hidden.

Inside the menu, look for the Vision tab, or immediately look for Magnification, and if you click on it, you'll see a switch that's most likely in the active position, and turn it off by turning the slider into a gray state.

• 🔍 Open the settings of your device.
• 🔍 Go to the Additional Settings section.
• 🔍 Select the item Special Opportunities.
• 🔍 Find the Increase tab and disable the function.

Once you do this, the green square should disappear instantly. If it stays, check if you activate Enlarge the entire screen instead of Enlarge the Screen Part. Sometimes the system suggests you choose the type of zoom, and choosing the wrong option can lead to incorrect display of the frames.

Setting up shortcuts and preventing false positives

Even by disabling the feature, it is important to prevent it from being activated again. There are many ways to launch special features on Xiaomi smartphones. Often users customize shortcuts themselves, forgetting about it, or use standard gestures that are easy to perform accidentally in your pocket or when wearing a case.

Notice the settings of the special feature shortcut. It's usually caused by pressing two volume buttons at once for a long time. If that's active, you can accidentally turn on the magnifying glass when you pull out your phone or adjust the sound. Deactivating the shortcut will significantly reduce the risk of a recurrence.

It's also worth checking the triple-touch settings. There's an option in the magnification menu that allows you to activate the mode with three quick hits on the screen. If you're wearing a protective glass case or you're actively typing, these taps can occur involuntarily, and it's better to turn off this activation method or change the sensitivity.

And remember to look at the control panel, too, and if you add an "Enlarge" or "Special Opportunities" icon, you can touch it when you unlock it, and removing the extra buttons from the quick access will make the interface cleaner and safer from random changes.

Alternative causes: artifacts matrix and software

While the magnifying function is the most likely culprit, other factors cannot be completely ruled out: If a green square does not respond to touch, does not change size, and does not disappear after all accessibility features are disabled, it is worth considering rarer scenarios. This could be a software glitch or a display artifact.

Sometimes green or square spots are caused by the display drivers not working properly after the system update, which is a complete reset or flashing of the device, and it is also worth checking if you have an application that changes the colors of the screen, such as a blue light filter or reading mode.

In rare cases, a green square may indicate an initial stage of degradation of the OLED or IPS matrix. If the square is static, visible even in safe mode, and does not disappear when showing a test image of a different color, this may be a sign of physical damage to the plume or the screen itself.

• 🛠️ Check for system updates in the About Phone menu.
• 🛠️ Run your smartphone in safe mode to eliminate the impact of third-party applications.
• 🛠️ Take a screenshot of the screen: if there is no square on the screenshot, the problem is in the matrix, if there is - in the software.

⚠️ Note: If the green square is accompanied by a flicker of the screen, the appearance of other color spots or touchscreen ceases to react in this area, immediately contact the service center.

To diagnose a software failure, you can try resetting your display settings. This won't delete your personal data, but will return all screen, font and size settings to factory values. The path to this feature is usually in the Screen section of the basic settings.

Other accessibility features causing artifacts

In addition to the standard magnifier, Xiaomi has other tools that can leave traces on the screen, such as the Color Inversion or Color Correction feature, which sometimes works incorrectly, creating the illusion of a green square or distorting colors in a certain area.

Also worth mentioning is the video conversation or gaze control feature, which can use the camera and highlight areas on the screen to track movements. Although they rarely create a green square, the visual markers of these features are often confused with system errors.

Check the Visibility Improvement section of the Features menu, where you can activate high-contrast fonts or pointers that overlap over the interface, and disabling all items in this section will help isolate the problem.

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Use Google Assistant or Xiao AI to quickly find settings: just say “Open Special Options Settings.”

Prevention and useful tips for operation

To avoid similar situations in the future, it is recommended to regularly review your Redmi settings. System updates often change the logic of gestures, so what was safe a month ago can lead to unexpected results today.

Use high-quality protective glass. Cheap glass can create a "phanomic touch" effect, where the screen responds to pressing where there are none, a common reason for self-enabled functions, including a magnifier and voice dial.

Periodically clean the screen and the case of the smartphone. The accumulation of moisture, dirt or static electricity can provoke false alarms of the sensor. Cleanliness of the device is the key to stable operation of the touch screen.

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Regularly checking availability settings and using quality accessories is the best prevention of the appearance of unexpected interface elements.

Conclusion

The green square on the Xiaomi Redmi screen is overwhelmingly just an activated zoom function, not a sign of breakdown. Careful study of the special features menu allows you to quickly eliminate this visual noise and return comfort to use.

We looked at the main ways to solve the problem, from a simple switch in settings to checking the hardware, and if none of the software methods worked, and the artifact persists even after reset, it is likely that the specialists will need to diagnose it.

Remember that modern smartphones have a lot of functionality, and random activation of useful but unusual functions is normal.