What does the fault look like?

Why is this happening?

• liquid ingress;

Smartphone overheating

Spontaneous discovery

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What to do if a yellow spot appears on your phone screen?

The number of malfunctions in mobile gadgets is growing in proportion to the emergence of new technologies. Competition is recognized as the culprit of this trouble, because in the race for success you cannot hesitate, otherwise another company will take your place in the sun. As a result, developers do not have time to properly test the devices, and imperfect smartphones end up in the hands of consumers.

Problems can vary: from serious ones that impair the performance of the device, to minor ones that spoil the aesthetic component. One of these problems is the yellow spot on the phone screen.

What does the fault look like?

More than half are not insured against this problem modern smartphones. Most often it is mentioned by users of devices from well-known brands: Apple, HTC, Samsung (less often than others). But when used for a period of two years or more, such a defect can appear in any brand of device.

A yellow spot on the phone screen can be anywhere, so it is recommended to carefully inspect the gadget when purchasing. It is worth remembering that most often this malfunction is visible on a white background, for example, if the search results are open. The intensity of the defect varies: sometimes it looks like a slight darkening on the display, closer to a brownish tint, but there are also very bright spots, as if oil or glue had been spilled under the glass.

Why is this happening?

If a yellow spot appears on your phone screen, there are several reasons:

• falling of the device from a great height;
• a strong blow to the case from the side or directly to the display;
• long exposure to direct sunlight;
• liquid ingress;
• strong heating from an external source (stove, fire, battery, etc.);
• the same as in the previous paragraph, but due to the fault of a faulty battery or processor.

All these factors can cause the transistors of some pixels to fail. Because of this, the latter stop working correctly, producing various effects: from colored or duller areas to a “gasoline” rainbow on the display.

There is no need to despair; at this stage, this can still be corrected.

How to remove a yellow spot from your phone screen?

Attention! The methods described below are not suitable if the gadget malfunction was caused by mechanical damage. In this case, only a complete replacement of the display will help. It is produced both independently and in any service center, so there is no need to worry too much about this.

So what to do in other situations? Unfortunately, there are not many options.

Smartphone overheating

If the defect is caused by high temperatures, you should try to cool the device. To do this, you will need to turn off the device, put it in a sealed bag and... place it in the refrigerator. No, this is not a joke on inexperienced gadget owners! This method really helps, but there is one caveat: the temperature in the chamber must be no lower than +8 degrees Celsius.

You need to keep your smartphone cool for only 10 minutes. It is then removed and left to “warm” at room temperature. The next time you turn it on, the yellow spot on the phone screen should disappear.

However, from the secondary appearance of the defect this method doesn't save.

Spontaneous discovery

If the gadget has not been exposed to high temperatures, you can try another method. This will require special program(like ScreenFix Deluxe only for smartphones), which triggers a high-speed change of pixel colors in the desired area. Sometimes this helps remove the yellow spot on the phone screen, but not in case of a factory fault with the display.

Then all that remains is to contact the warranty service or service center.

aikido-mariel.ru

Reasons for the appearance of spots on the screens of smartphones and tablets

Have you ever noticed strange spots on the screen of your smartphone or tablet? The appearance of any spots or streaks on the device screen indicates a malfunction of the display module. Today we will talk about the reasons for their appearance.

Problems with the backlight

Moisture

Quite often, moisture penetration into the device causes stains to appear. The backlight of LCD displays consists of films, an inverter and lamps. The LEDs shine on the side of the plate, and the films scatter the light, forming a uniform backlight on the screen.

If liquid penetrates between the layers of film, they stick together. Where they touch, the light is refracted at the wrong angle and a spot appears on the screen.

The “wet spot”, as a rule, has an irregular shape and is characterized by increased brightness. At different angles of inclination, the spot will change its shape or will not be noticeable at all.

If your device has an AMOLED display, then you have no reason to worry. Such screens have a different backlight technology. If a small amount of liquid gets inside the device, a stain will not appear.

If you have problems with your iPhone's backlight, you can replace it. You can purchase a new display backlight here.

Manufacturing defects

A stain due to a manufacturing defect occurs during display assembly and is often similar to a stain caused by moisture. The manufacturer may incorrectly select the length of the screws, which is why they rest against the back of the display and lead to the films being compressed together.

Such a spot has an oval shape and does not change at different angles. By the same principle, stains are formed from foreign objects, such as sand.

Local overheating

Local overheating occurs in devices in which the manufacturer has not installed the correct heat sink. In the place where the device overheats, the films are deformed from constant exposure to high temperature. After the smartphone or tablet cools down, it no longer takes its original shape and a spot forms at the point of overheating. Most often, spots from overheating appear at the ends of the display and have a yellow tint. This spot is darker in the middle and lighter towards the edges.

Overheating spots do not change shape from different viewing angles and may become stronger over time.

Malfunctions of the LED backlight most often manifest themselves as the appearance of a local black spot or deterioration of the backlight as a whole. The spot forms where the LEDs fail.

Repairing the backlight is a rather labor-intensive process and takes a lot of time. If the backlight of a smartphone or tablet is broken, it is recommended to replace the display module.

Display problems

Broken display

After a fall or impact, the image on some part of the screen disappears - this is a sign of a broken display. A spot of this origin most often has an irregular shape, cracks may spread from it, and if you press on it, its size may increase, and its shape may also change.

Display controller not working

Using this microcircuit, which is located on the cable, the transmission of the image to the display is controlled. The controller breaks due to mechanical impact, that is, from a strong fall or impact. It can also be damaged by liquid.

If the controller is damaged, the image may disappear altogether: the screen becomes completely white or black. But most often, when the controller breaks, multi-colored vertical stripes appear. If you press on the screen, the configuration of the stripes will change.

It happens that the image may disappear only in one place on the display. Such a spot will have clear boundaries, and the rest of the screen will display a normal picture.

Note! If the backlight disappears on both the screen and the buttons, the problem is most likely with the board.

Defective pixels

If a small dot of red, blue or green appears on a plain black or white screen background, it means there are dead pixels.

A dead pixel is separate element, which loses the ability to change its color.

Manufacturers often indicate the quality class of monitors based on the permissible number of dead pixels.

There are 4 classes in total:

Ⅰ - there are practically no dead pixels. If a dead pixel appears, the manufacturer undertakes to repair it under the terms of the warranty or replace the display; Ⅱ - presence of 2 is allowed defective pixels(white or black); Ⅲ - the presence of 5 white, 15 black and 50 colored dead pixels is allowed; Ⅳ - 50 white, 150 black and up to 500 colored dead pixels are allowed.

It is worth noting that the quality class of the display directly proportionally affects the price of the spare part. The higher the quality, the more expensive the display is.

Display and touch screen sticking together

Today, the problem of display and sensor adhesion mainly occurs in budget smartphones.

In inexpensive models, there is an air gap between the display and the sensor. When the space between the display and the sensor is reduced, they can stick together and remain in this state for a long time.

The bonding stain can be easily recognized. It is noticeable when the display is turned off and may partially disappear when the backlight is on. It looks like liquid squeezed between glass. When faced with such a problem, users often think that water has entered the device. It is possible to remove such a stain, but to do this you need to re-glue it touch screen.

Module delamination

Delamination in the display module is a type of defect that is classified as a manufacturing defect. A sensor that is poorly glued during the manufacture of the module eventually begins to lag behind the display around the perimeter. As a result, white spots appear. This defect is extremely rare. In this case, the display must be replaced under warranty conditions.

If any stain appears on the screen of your device, contact a specialized service center. It is almost impossible to replace or repair damage to the backlight or display module at home. For repairs, you must use special equipment and have certain skills in repairing equipment.

If you know which specific part needs to be replaced, you can purchase it from our website. To find the right spare part or find a replacement, we recommend reading our article.

Natalia Zinko

all-spares.ua

Yellow spot on a smartphone screen - how to remove it?

Over time, users of smartphones and tablets experience the problem of white and yellow spots appearing on the display. This problem is common among budget gadgets. Typically, spots on the display appear after 6 months of using the mobile phone. Many people wonder: how to remove a yellow spot on a smartphone screen? This problem can be corrected if you can determine the cause of the problem. And we will help you understand it in this article.

Moisture

It is a fairly common cause of the appearance of white and yellow streaks under the gadget’s display. The backlight of LCD screens consists of films, light bulbs and an inverter. LEDs display light on the side of the smartphone, and films distribute light across the entire display, forming a uniform backlight.

If water appears between the film layers, they stick to each other. At the point where they are connected by liquid, the light is distorted and a spot appears.

Important! As a rule, such a “watery spot” has an irregular shape and is too bright. If you tilt the phone at different angles, the speck will take on different shapes and may be completely invisible.

If the device has an AMOLED display, there is no need to worry. It has a completely different structure, and if a little liquid gets under the screen, the speck will not appear.

Manufacturing defects

The speck may appear as a result of improper assembly of the smartphone. This defect is very similar to liquid getting under the display. The master chooses the wrong length of the screws and they rest on the films, squeezing them together. The speck has a rounded shape and does not change at different angles of inclination.

Overheating

It often occurs in gadgets in which the manufacturer did not initially install a heat sink or did it incorrectly. In a place where the smartphone overheats, the films change their shape through exposure to high temperature. After the phone or tablet cools down, a noticeable spot forms.

Important! Most often it is yellowish in color, the color varies depending on the location of the spot. If it is located closer to the edges, then it is light. And if closer to the center, then the spot is dark yellow. Often, over time, the spots darken.

LED backlight malfunction

If even one LED stops functioning, a noticeable yellow spot may appear on the screen.

Battery swelling

The battery plays an important role in the operation of a phone or tablet. If you find even a slight swelling of the battery, you should replace it immediately.

Important! Repairing the backlight of a smartphone is a rather labor-intensive and expensive process. If such a problem is detected, experts recommend replacing the screen module.

Let's look at a few basic ways to combat yellowness on the display:

• Phone firmware update.
• Replacing the display module.
• Replacing the temperature sensor.
• Coating with a cooling solution (applies to the inside of the plastic).
• Applying an ice cube to the yellow spot.
• Replacing a smartphone battery.

Important! It is best to contact a specialist at a service center. This will guarantee a high-quality smartphone screen repair. A qualified specialist will not only repair the faulty display, but will also explain the cause of the malfunction, and also give recommendations on the correct operation of the gadget.

Often, with the help of such an application, the phone is checked immediately upon purchase for the presence of suspicious spots on the display. And if a speck appears while using the gadget, then just install the application, launch it and select the “Fix” setting. Then put the phone on charge and wait for the morning. As a rule, all screen defects disappear in the morning.

1. Case - it is advisable to purchase waterproof protective cases for your phone, as they can prevent liquid from entering the body and screen of the gadget, and also protect against scratches and chips.
2. Protective film or shockproof glass - protects the display from mechanical damage and scratches.
3. Do not carry your mobile phone with keys or change, as chips and cracks may appear on the case. This trouble can only be avoided if your phone has a protective case.
4. Temperature conditions. Cold is the worst enemy of any mobile phone, since at low air temperatures it quickly discharges, and at times even reboots. If the gadget is discharged in the cold, then when you come home, give it time to warm up a little, only then put it on charge. If you start charging the device immediately, condensation will form on the smartphone chip, which can lead to a short circuit and damage the phone.

Compliance with the above simple tips can extend the “life” of your mobile phone.

• Use a microfiber cloth to gently remove dirt and dust.
• Before cleaning, please read the operating instructions for the device. As a rule, it should describe in detail how and with what to remove dirt from the screen.
• When cleaning the display, it is advisable to turn off the device.
• Use special products (polishes or wipes for touchscreens).
• Apply the liquid cleaner to the cloth and only then to the display.

Proper screen cleaning will not only keep your device looking beautiful, but can also prevent yellowing and white spots to some extent.

If spots appear on the monitor, this is a consequence of a serious breakdown of your device. Its manifestations may vary:

• round black, dark or gray spots randomly scattered across the screen;
• oblong spots in the form of smudges and blurring;
• red, yellow or other colored spots (on the screen or on its sides);
• light areas in the form of longitudinal or transverse stripes, in which the image is doubled or blurred.

Why do spots appear on the monitor screen?

There are two main causes of stains:

1. Mechanical damage

This may include impacts during careless transportation, strong pressure on the surface of the screen with your hand, careless use of chemicals to clean the screen, ingress of water, etc.

2. Matrix malfunction

Most often, the matrix and the components associated with it fail. For this reason, areas of dead pixels appear. Almost always this problem can only be solved by replacing the matrix.

What do the different colors of the spots mean?

Yellow spots on the monitor

This usually indicates a delamination of the screen. The design of a modern monitor is a combination of thin layers, between which there is a special glue. Violation of the integrity of the layers in this case manifests itself in the form of yellowish spots. It is also possible that foreign liquid, most often water, can get inside.

Red or colored spots on the monitor

Blurred spots of red or purple hue may indicate magnetization of the monitor, especially after a sudden power surge or thunderstorm. You can try to solve this problem by disconnecting the device from the power supply for half an hour or an hour. In this case, you will be able to hear the moment of demagnetization in the form of a characteristic click inside the monitor.

However, most often the cause of such image defects is a breakdown of the power supply or matrix failure.

Black, dark or gray spot on the monitor screen

If a black spot (or several) appears on the monitor, this almost always indicates a failure of the matrix pixels that cannot be restored. This can be resolved either by replacing the screen or purchasing a new monitor.

Light or white spots on the monitor

It happens that light spots with uneven edges appear on the monitor screen. Sometimes they are clearly visible, but sometimes you need to look closely to notice them. The reason for such glare is a malfunction of some components of the matrix backlight: inverter, lamps or other elements.

How to remove stains on the monitor?

In rare cases, you can try to eliminate light areas that distort the image using monitor settings, but the likelihood that this will help is extremely low. In other cases, repairs are required. At the same time, it often happens that replacing the matrix is ​​completely unprofitable and in this case it is more profitable to buy a new monitor.

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Very often, smartphone users notice that white or yellowish spots, irregularly shaped light spots, or even vertical white lines appear on the screen.

Such manifestations on the phone are very annoying, especially if you don’t know what to do with it and how to fix it this problem. White spots can cause a lot of difficulties when operating the device - in these parts of the screen the touchscreen may not respond to touches, applications are displayed incorrectly, multi-touch (several touches on the screen at the same time) may not work, and the overall appearance of your phone becomes simply unpleasant.

Small white dots on the smartphone screen are a fairly common complaint from users who actively use the device. The cause may be any damage: falling, getting into water, pressing hard on the screen (for example, if you sat on it). If white spots cause nothing but spoilage appearance, then this is not a very big problem, it is much worse if your phone stops displaying launched applications normally or certain buttons in programs are not pressed.

In any case, the problem with white spots or stripes needs to be addressed. But to do this, it is necessary to determine the reason for their appearance. Understanding the nature of the anomaly on the screen is very important - it determines the actions you will take in relation to the phone. Incorrect diagnosis of the cause of the breakdown will only harm the device, since you will be repairing the wrong thing.

In this article, we will look at the main reasons for the appearance of white and yellow spots on the display of your device and will try to offer as many solutions to this problem as possible.

Reasons for stripes appearing on a smartphone screen

• White lines appear on the display because the display flex cable is damaged or is not seated properly in its connector. Less commonly, the logic board connector itself may be damaged.



• There may also be a software problem. This reason is quite rare and unlikely, but it should not be excluded. We will not go into too much detail about solving the problem with the software, since this can be easily solved using the Hard Reset procedure.



• Damage to the matrix is ​​the most common problem that will require sending your device to a service center. But you can replace the screen yourself; we talked about this recently in our other article.
• Detachment of glass from the matrix - this occurs as a result of a fall and subsequent impact of the smartphone. There are several solutions - replacing the adhesive between the glass and the matrix yourself (special transparent glue or double-sided tape) or sending the phone to a service workshop. If the phone has been dropped, it may be that one of the soldered components has landed on the main board near the LCD display.



• Water/moisture getting under the glass very often causes a small iridescent spot on the smartphone screen. If the phone has been exposed to moisture, then the reason for the appearance of white spots and lines on the smartphone screen may not only be due to the water itself under the glass. Another reason is corrosion that has damaged the connecting pins between the display and the logic board.



• If your smartphone is old, general wear and tear on the hardware and software may cause the problem of white spots on the screen.
• Software problem - while installing programs or updates, the operation of the device was interrupted, and this can also lead to abnormal functioning of the smartphone screen.
• Large files and full memory can also affect the performance of applications, causing external anomalies on the screen due to insufficient RAM or internal memory. As a result, the entire system begins to work incorrectly.

note

Any independent intervention in the operation of the gadget will entail the removal of all warranty obligations from the manufacturer or store where the device was purchased.

How to remove white spots on your smartphone screen

Here are some simple and effective ways to solve the most common problems:

How to get rid of white spots on your display while using apps

Very often, screen anomalies are usually observed while using a specific application on the device. Spots or stripes of different shades suddenly start appearing on your smartphone screen when you launch a certain application. But this problem is very easy to fix by following these steps:

First, turn off your device. To do this, press the power button for 7-10 seconds and wait until the phone display goes completely dark. If you cannot turn off the device this way, remove the battery (only for phones with removable batteries) and leave it in this position for 5-10 minutes. Then insert the battery and turn on the phone.

Once the device is successfully turned on, you need to immediately do these three things:

This method helps combat the problem of white spots appearing on the screen when a specific application causes it. To clear the cache, tap Settings and select Application Manager. Now tap the app name that is causing the white bars. Then go into “app info”, select “Clear data” and click “Clear cache”. This method helps to erase all unnecessary data that may be causing the crash.

• Removing unwanted applications

When deleting unnecessary applications you get free space on your device. You can do this while you're on the App Info screen as described above by simply clicking Uninstall.

• Move the application to internal storage

Another useful method for solving the problem of how to remove the yellow spot on your smartphone screen while using an application is to move the application from your internal memory to an SD card.

Click Settings and open Applications. Now select the app you want to move. Then, under Application Information, select Storage and then click Move.

How to fix white spots after a fall/damage.

Smartphones crash all the time. Such incidents may not even leave marks on the case, but will cause white spots on the screen. In most cases, when an impact occurs, the LCD display connectors are disconnected, which leads to a yellow spot appearing on the smartphone screen. If this cable constantly falls off, we recommend that you replace it. However, if the connector is simply dislodged due to an impact, here's what you can do:

In 90% of cases, such actions will eliminate the problem with white stripes on the smartphone screen.

If you notice White spot on the iPhone screen, this indicates problems in its operation. Image defects indicate breakdowns of internal components and components. To determine the nature of the malfunction, you need to find out the causes of the stain on the screen.

An external examination and detailed diagnostics of the smartphone will allow you to determine the functionality of the iPhone. If you are familiar with the structure of modern smartphones, you can do this yourself. If stains appeared immediately after purchasing the phone, contact the service center for warranty repairs or replacement mobile device.

Causes of image defects

If white dots, black spots or white stripes appear on the iPhone screen, this means that the smartphone has been affected by negative factors. These include:

• software glitches
• mechanical damage (dropping the phone, pressing the touch screen hard)
• moisture ingress (contact with any liquids)
• factory defects (damaged pixels, stuck together sensor and display, illiterate LED assembly)

If cracks appear on the iPhone screen after a fall, then particles of dust, sand, and moisture can get inside the case through them. This will inevitably lead to defects in the operation of the backlight, and if the cause is not eliminated in a timely manner, such important parts as the matrix, touchscreen, and display will fail.

The ingress of moisture inevitably leads to oxidation of parts. Problems with the screen may not appear immediately, but over time, not only stains, but also more serious deviations will appear.

Software failures that appear as spots indicate a failure of the microcircuit responsible for controlling the screen.

Signs of a gadget malfunction

A white spot on the iPhone screen is one of the signs of a breakdown. If you see dark spots or light spots, it means that one of the parts has failed:

• matrix
• plume
• touchscreen
• backlight

Owners of Apple equipment encounter similar problems very often, but not many people know how to remove a stain, white background or dots on the screen. Knowing the cause, it is much easier to fix the breakdown. To do this, you need to change the screen module, install protective glass independently or with the help of specialists.

How to fix problems yourself?

If the iPhone screen is white, you can try to do certain things yourself. First of all you need:

• inspect the device for external damage to the screen (cracks, scratches, stains)
• clean the glass from dust and sand
• reboot the phone
• turn the backlight on and off

If these steps do not help, and the iPhone screen is purple, you need to contact a specialist. As practice shows, methods for troubleshooting on your own give a temporary effect; in the future you need to resort to the help of specialists. Once you determine the extent of damage to your device, you can figure out how to restore it.

If you ignore minor deviations in the operation of your smartphone, this will result in more expensive repairs.

Benefits of qualified help

If a stain appears on the display, this significantly affects the operation of the smartphone, so this problem cannot be ignored. If the iPhone screen is dark after a fall or moisture has entered the case through cracks, stains are visible, contact professionals who repair phones as quickly as possible.

The internal parts (cable, pixels, backlight) of Apple technology are very fragile and can be easily damaged. Specialists use high-precision equipment and tools to remove stains and restore the backlight on the iPhone screen.

When contacting specialists, immediately discuss with them:

• repair cost
• deadlines for completing the work
• duration of warranty

If you are satisfied with the terms of cooperation, then you can trust your mobile device to a specialist.

Where to find qualified craftsmen?

Finding experienced professionals who provide inexpensive services is not so easy. The Yudu website has registered craftsmen who repair smartphones, remove stains and replace any non-working part at an affordable price.

Have you ever noticed strange spots on the screen of your smartphone or tablet? The appearance of any spots or streaks on the device screen indicates a malfunction of the display module. Today we will talk about the reasons for their appearance.

Problems with the backlight

Moisture

Quite often, moisture penetration into the device causes stains to appear. The backlight of LCD displays consists of films, an inverter and lamps. The LEDs shine on the side of the plate, and the films scatter the light, forming a uniform backlight on the screen.

If liquid penetrates between the layers of film, they stick together. Where they touch, the light is refracted at the wrong angle and a spot appears on the screen.

As a rule, it has an irregular shape and is characterized by increased brightness. At different angles of inclination, the spot will change its shape or will not be noticeable at all.

If your device has an AMOLED display, then you have no reason to worry. Such screens have a different backlight technology. If a small amount of liquid gets inside the device, a stain will not appear.

If you have problems with your iPhone's backlight, you can replace it. You can purchase a new backlight for the display.

Manufacturing defects

Stain due to a manufacturing defect occurs during display assembly and very often appears to be a stain caused by moisture. The manufacturer may incorrectly select the length of the screws, which is why they rest against the back of the display and lead to the films being compressed together.

Such a spot has an oval shape and does not change at different angles. By the same principle, stains are formed from foreign objects, such as sand.

Occurs in devices in which the manufacturer has not made the correct heat sink. In the place where the device overheats, the films are deformed from constant exposure to high temperature. After the smartphone or tablet cools down, it no longer takes its original shape and a spot forms at the point of overheating. Most often, spots from overheating appear at the ends of the display and have a yellow tint. This spot is darker in the middle and lighter towards the edges.

Overheating spots do not change shape from different viewing angles and may become stronger over time.

LED backlight malfunction

LED backlight problems most often manifested by the appearance of a local black spot or deterioration of the backlight in general. The spot forms where the LEDs fail.

Backlight repair– a rather labor-intensive process and takes a lot of time. If the backlight of a smartphone or tablet is broken, it is recommended to replace the display module.

Display problems

After a fall or impact, the image on some part of the screen disappears - this is a sign of a broken display. A spot of this origin most often has an irregular shape, cracks may spread from it, and if you press on it, its size may increase, and its shape may also change.

Using this microcircuit, which is located on the cable, controlled image transfer to the display. The controller breaks due to mechanical impact, that is, from a strong fall or impact. It can also be damaged by liquid.

If the controller is damaged, the image may disappear altogether: the screen becomes completely white or black. But most often, when the controller breaks, multi-colored vertical stripes appear. If you press on the screen, the configuration of the stripes will change.

It happens that the image may disappear only in one place on the display. Such a spot will have clear boundaries, and the rest of the screen will display a normal picture.

Note! If the backlight disappears on both the screen and the buttons, the problem is most likely with the board.

If a small dot of red, blue or green appears on a plain black or white screen background, it means there are dead pixels.

Dead pixel is a separate element that loses the ability to change its color.

Manufacturers often indicate the quality class of monitors based on the permissible number of dead pixels.

There are 4 classes in total:

Ⅰ - there are practically no dead pixels. If a dead pixel appears, the manufacturer undertakes to repair it under the terms of the warranty or replace the display;
Ⅱ - the presence of 2 defective pixels (white or black) is allowed;
Ⅲ - the presence of 5 white, 15 black and 50 colored dead pixels is allowed;
Ⅳ - 50 white, 150 black and up to 500 colored dead pixels are allowed.

It is worth noting that the quality class of the display directly proportionally affects the price of the spare part. The higher the quality, the more expensive the display is.

Today Problem with the display sticking to the sensor mainly occurs in budget smartphones.

In inexpensive models, there is an air gap between the display and the sensor. When the space between the display and the sensor is reduced, they can stick together and remain in this state for a long time.

The bonding stain can be easily recognized. It is noticeable when the display is turned off and may partially disappear when the backlight is on. It looks like liquid squeezed between glass. When faced with such a problem, users often think that water has entered the device. It is possible to remove such a stain, but to do this you need to re-glue the touch screen.

Module delamination

Delamination in the display module is a type of defect that is classified as a manufacturing defect. A sensor that is poorly glued during the manufacture of the module eventually begins to lag behind the display around the perimeter. As a result, white spots appear. This defect is extremely rare. In this case, the display must be replaced under warranty conditions.

If any stain appears on the screen of your device, contact a specialized service center. It is almost impossible to replace or repair damage to the backlight or display module at home. For repairs, you must use special equipment and have certain skills in repairing equipment.

If you know which specific part needs to be replaced, you can purchase it from our website. To find the right spare part or find a replacement, we recommend reading ours.