You have noticed strange spots, discolorations, or colored streaks on your phone screen and you don't know what's causing it? This type of problem is more common than it seems, and although it can be frightening, in many cases it can be solved if you act quickly and follow some key tips. In this guide, we explain in detail. What to do if you find spots or discoloration on your mobile phone screen, the different types of stains (depending on the color and cause) and the recommended methods to prevent or minimize damage.
In the world of smartphones, The screen is one of the most sensitive components and exposed to problemsDrops, accidental pressure, contact with liquids or harsh products, and even intensive use can cause visual disturbances on the display. Below, we'll show you all the key points you need to know to take care of your device and respond promptly to any screen abnormalities.
Why do spots or discolored areas appear on the screen?
spots on the mobile screen They can occur for numerous reasons. One of the most common is direct contact with liquids or substances such as oils, creams, makeup, or even food, which can leave residue on the glass or leak inside if the casing isn't perfectly sealed. Furthermore, Shock, excessive pressure, overheating, manufacturing defects or problems with internal electronic components can cause uneven areas of brightness or color to appear.
No less important is the daily dirt: dust, fingerprints, sweat and other residues accumulate on the screen's surface and, at first glance, may appear as stains or dull areas. However, not all stains have the same origin or severity. Therefore, it's essential to distinguish between simple external dirt and an internal defect in the panel.
How to properly clean the screen and remove surface stains?
Before worrying about possible serious damage, the first thing is Check whether the stain is caused solely by dirt or surface debrisIf so, a good cleaning may be enough. To clean your phone screen and prevent damage, follow these simple steps:
- Turn off and unplug the phoneThis is critical to prevent short circuits or damage to the hardware during cleaning.
- Remove the case and any accessories to have full access to the display glass.
- Use a soft, slightly dampened microfiber cloth with water or a drop of neutral soap. You can also use disinfectant wipes with 70% alcohol if recommended by the manufacturer. Learn how to clean your mobile screen properly..
- Gently rub the stained area, avoiding any type of liquid entering the ports or connectors.
- Let the screen air dry completely. before turning the device back on. Do not use a hairdryer or apply heat to speed up drying.
- Many screen protectors include a Dust Remover adhesive which can help you remove hard-to-remove particles or specks.
Remember: Never apply corrosive or abrasive products, or submerge the device (even if it's water-resistant). Keep the screen away from materials that may cause irreversible damage.
Prevention: How to avoid future stains on your mobile screen
After a good cleaning, it is best to put a screen protector Quality. This simple accessory not only prevents damage from bumps or scratches, but also makes cleaning easier and protects against fingerprints, grease, and other residue. Here you can learn how to put a screen protector step by step.
When applying the protector, make sure the work area is clean and well-lit. Wash your hands and use the provided cloth or, better yet, masking tape to remove any remaining dust before applying it. Ensure proper application to avoid bubbles or damage to the protector.
In addition to using protectors, Avoid handling your mobile phone with dirty hands or after eating, and don't store it next to metal objects such as keys or coins, as they can press against the screen and cause internal damage. Don't expose the device to liquids or extreme temperatures or humidity: excessive heat or internal condensation can cause stains that are difficult to remove.
Types of stains and discolorations on the screen: causes and solutions
The spots that appear on a mobile phone screen can come in different colors and shapes. Each type can indicate a different problem, and therefore, the solution will also vary. Below, we analyze the most common cases:
White spots
White spots are usually a result of excessive pressure or impact. They can be caused by pressure from hard objects or, in some cases, by internal problems (such as an inflated battery or displaced components). Learn how to repair a damaged mobile screen.
- What to do? The first thing to do is reduce any pressure on the screen and prevent further impact. If the stain doesn't affect your vision or grow, it's best to let it be. If it worsens, contact technical support so they can check the device and, if necessary, replace or reinstall the internal components.
Green spots
Green spots are more common on AMOLED displays. and can be due to software defects or to overheating or the presence of water inside.
- What to do? Avoid exposing your phone to sunlight or using it while it's charging if you notice the spots appear and disappear with the temperature. If they're only visible in low-light situations, try calibrate your Android screenIf the problem persists, consult technical support.
Purple spots
If they appear Purple spots, most likely an internal break in the AMOLED panelAlthough the glass may be intact on the outside, the inner layer of the screen has been damaged, usually by impact or bending.
- What to do? Contact technical support immediately, as these breaks can only be repaired by replacing the screen. In cases where the screen has been impacted, it may be helpful to check if it is worth changing the screen.
Blue spots
Blue stains are usually caused by strong impacts or moisture getting between the glass and the panel.They can also appear after a major fall.
- What to do? Try drying your phone by placing it in a dry environment with silica gel bags. If the impact has damaged the screen, the only solution is to take it to a specialized repair shop to have it replaced. To prevent damage, you can also consult a Tricks to prevent your screen from breaking.
Black spots
Black spots are the most serious symptom and usually indicate substantial damage to the OLED panel.. They may be due to internal cracks that are not visible to the naked eye, impacts, or internal moisture that has rendered some pixels unusable, causing them to remain off.
- What to do? When these spots appear, there's no home remedy. All that's left is to take the phone to a specialized center and, almost always, replace the entire panel. It's also helpful to consult a doctor. What to do if your Android screen breaks.
Red spots
A red spot may be due to software glitches or, if it doesn't change location, dead pixels.Temperature or pressure problems are often behind this defect, especially in LCD screens.
- What to do? Test with images of different colors to verify if the dot is always in the same place. If so, contact technical support. In mild cases and if the phone is out of warranty, you can try applying light pressure around the area. To prevent this from happening, check common mistakes when cleaning your mobile phone.
Yellow spots
Yellow stains often appear after excess moisture or wear of internal components., especially on mobile phones that are more than two years old.
- What to do? Turn off the device and leave it in an airtight bag in a cool (but not too cold) environment. If the problem persists, consult a professional, as panel replacement may be necessary. To better understand internal damage, check improve the quality of calls and video calls.
Multicolored spots or colored stripes
Multi-colored spots or stripes are usually caused by strong impacts that have damaged the internal matrix of the screen or by severe overheating.. It may also be due to defects in the internal connection cable or the motherboard.
- What to do? If the lines only appear when you connect your phone to certain devices, try updating drivers and checking the cables. If they don't go away, the solution will involve replacing the screen or motherboard, which can be a costly repair. To avoid these problems, check How to calibrate your Android screen.
What to do if the discoloration appears to be software-related?
In some cases, Discoloration or color changes are due to misconfigured settings or errors in the operating systemBefore proceeding with an expensive repair, it's a good idea to try the following steps:
- Restart the mobile.
- Check and adjust the white balance in display settings.
- Disable developer options, color inversion, or color correction.
- Put your phone in safe mode to rule out any downloaded apps causing the problem.
- Update your software to the latest version.
- If nothing works, perform a factory data reset (after making a backup).
How to deal with persistent stains or burn-in on the screen?
The phenomenon of "burn" On AMOLED screens, which produce permanent marks after displaying a static image for a long time, it may seem irreversible. However, there are apps and tricks to hide or reduce the effect, such as apps for color inversion, changing screen modes, or adjusting saturation and contrastFor extensive or highly visible damage, the best option is to replace the panel. Learn how to fix discoloration or stains on your mobile screen..
The screen replacement process requires carefully disassembling the device, heating the surrounding area to loosen the adhesive, separating the glass, and installing a new panel. This procedure can be dangerous without experience and usually voids the warranty. In most cases, it's best to go to a specialized center for the repair.
Tips to prevent stains and discoloration from reappearing
To prevent future display problems, keep these recommendations in mind:
- Use certified cases and protectors adapted to your model.
- Avoid contact of your mobile phone with liquids, dust, and humid environments.
- Do not expose the device to extreme temperatures, especially sunlight, for long periods of time.
- Set automatic brightness and turn on dark mode if possible to protect pixels.
- Don't leave static images or fixed widgets on screen for too long.
- Regularly check the battery and internal connectors, especially on phones that are more than two years old.
Screen repair or replacement depends on the type of damage, cost, and model. For budget devices, it may be more convenient to replace the phone, while for high-end devices, repairs are usually more cost-effective. Here you can check how much it costs to repair your mobile screen.Always make backup copies before any technical intervention.
Many stains and discolorations can be remedied if detected early and treated properly. Cleaning, prevention, and maintaining good settings help avoid most problems. In cases of serious internal damage or screen burn-in, consulting a professional is the safest option, ensuring the functionality and durability of your device.