How to remove the protective glass of the screen. How to install a protective glass on your phone yourself. How to stick a protective glass on your phone

The protective glass on Apple gadgets is designed to protect the devices from damage. Typically, a high-strength chemical composition is used to protect the display from chips and scratches. Some users neglect such protection, but in vain. Protective glass for iPhone 6 and other gadgets can significantly extend the life of your mobile device.

In this article we will look at how to remove the protective glass from iPhone 5 and devices of other versions. We will also pay attention to how to glue protective glass on an iPhone. In addition, we will try to identify the advantages of this method of protecting the display over conventional film.

How to change and how to glue the glass - read the detailed instructions below.

If we compare the 2 main methods of protecting the iPhone display screen - glass and film - most criteria will be in favor of the first.

The advantages of glass coating are:

• Increased strength with a small thickness of only 0.25 mm.
• The presence of an oleophobic coating that prevents fingerprints from appearing on the display.
• Sometimes - the presence of a nanocoating, which gives increased smoothness to the surface.
• Reliable fastening using silicone elements that prevent the coating from moving and prevent the formation of unevenness and bubbles.

Flexible glass to protect the display of mobile gadgets can also have folded edges. This means that the edges are rounded so the coating is almost invisible. In addition, if the device hits something, the coating will not fall off. So if you are wondering which is the best protective glass, opt for an element with rolled edges.

Removing glass: precautions

Before you get started, there are some rules to consider. First, remember that the glass adheres quite tightly to the display because it is very smooth. But the element is held in place not by glue, but by electrostatic forces. Thus, two perfectly flat surfaces are in close contact, and the glass cannot be removed simply by picking it up with your finger. But you also cannot use a household item, for example, a knife, for this purpose, since there is a risk of damaging the screen or case.

A silicone suction cup will not help in this situation either. If you glue this tool to a damaged coating, a void will form underneath it, and when pressed it will slide off.

And if the fastening is good, the suction cup will not go anywhere, but another problem will arise. The fact is that the sensor is attached to the body of the gadget using either glue or adhesive tape. The strength of these substances in terms of rupture is much lower than that of glass or touchscreen. Therefore, strong pressure can lead to complete tearing of the display module and damage to its cables. You need to work here carefully and carefully.

How to remove protective glass from iPhone 5S, 4S

Even taking into account the fact that the service life of protective glass is longer than that of films, it also needs to be changed sometimes. The glass comes on a silicone substrate, so it adheres firmly to the display. Removing it will require some skill.

Before removing the protective element, you need to carefully prepare and purchase some tools and materials, namely:

• A spatula (or a thin plastic card), a mediator.
• Silicone suction cup.
• Lint-free cloth.
• A glass cleaner that must contain alcohol.
• Gloves.

Sometimes it happens that all the tools and materials listed above are included with a new protective glass. But this happens quite rarely.

And the glass removal algorithm itself includes the following steps:

1 You need to wash your hands well with soap before starting work, and then dry them. You don't have to do this, but just wear gloves. This is necessary to prevent fingerprints or streaks from appearing on the display. 2 If the glass is damaged, you need to choose the area that is best preserved and has no chips. You need to attach the suction cup to this place, pressing it tightly. 3 You need to place a pick or a spatula in the corner to which the suction cup is attached and pry it off. The edge of the coating should peel off. To do this, you will need to pull the suction cup towards you a little, but not too much. To prevent the screen from falling off. This way we will achieve the goal of creating a small distance between the screen and the glass. But if you don’t have a suction cup, just insert the pick deeper. 4 As you peel off the glass, deepen the tool. And if the display is large, you can use 2 mediators or spatulas for the procedure, moving them in different directions. 5 And the last step is to pull the suction cup towards you so that the glass completely moves away from the screen. In this case, you can grab its edges with your fingers and do the same.

How to stick glass on iPhone 6 and other devices

For everything to go perfectly, you need to glue the glass in a clean room where there is no dust. Before sticking the glass, you need to take a lint-free napkin or a simple cloth and slightly wet the display with a cleaning agent or alcohol. This is necessary to clean the surface and remove fatty elements from it.

The gluing procedure is carried out as follows:

1 Pick up a new protective covering for the display. As with removal, keep your hands clean and dry. Or you need to wear gloves. 2 Remove the protective film covering the sticky surface. To do this, you need to grab it by the tongue and pull. 3 How to glue the element itself? The glass should be kept as close to the iPhone display as possible so that small particles of debris or dust do not get on it. After all, any surface tends to quickly accumulate dust. 4 Place the glass cover a few millimeters from the display, align and center it. When gluing, you need to act carefully and carefully ensure that all the holes for the keys, speaker and other elements match. 5 Next, the protective glass on the iPhone 5 is lowered closer to the screen. Lightly pressing and smoothing movements smooth out the surface. So easily we were able to glue the glass to the display. 6 The surface is wiped with a dry cloth. 7 Remove the glued element on top that protected the glass.

If at the end of the procedure you see small dust particles under the protective element, you can peel off part of the glass and blow them out with a vacuum cleaner or remove them with tweezers. Then you need to glue the element back again. You already know how to re-glue glass.

Now you know how to stick a protective glass on an iPhone. There is nothing complicated in this procedure; replacing glass on an iPhone 5S is as easy as shelling pears. Gluing the protective glass on the iPhone requires careful preparation. And the main thing here is to keep everything clean.

Which is better – glass or film?

The answer is obvious - of course, it is better to opt for glass protection. But the point is not only in impact-resistant properties, but also in durability. One has only to note that glass for iPhone 4 or another version of the gadget costs twice as much as regular film.

So the final choice is up to the user. Think for yourself - what is better - to pay more, but in the future avoid expensive device repairs, or save now, but then shell out a lot of money. Screen replacement is one of the most expensive types of repair for Apple gadgets. But, on the other hand, film cannot be called a bad option either.

As a result, the summary will be as follows. The film is affordable. It protects the display from minor scratches, removes glare and covers the entire screen. Is a protective film for the iPhone screen necessary, given its characteristics? Absolutely yes. Moreover, its cost is low, and how to stick the film is an even simpler task than in the case of glass.

Glass is an expensive option. It gives glare, but transmits light to the maximum, and also reliably protects against strong falls and deep cracks. And if you have found a way to save money on an iPhone, you will not be satisfied with cheap protection options. In any case, knowing how to save up for an expensive device, you can find funds for good accessories for the iPhone 6S or other device.

When replacing the protective glass on a smartphone, few people do not worry about following the rules and perform re-gluing with improvised tools. As a result: there are scratches on the phone, the coating does not apply evenly, becomes covered in bubbles, or simply does not adhere tightly

When replacing the protective glass on a smartphone, few people do not worry about following the rules and perform re-gluing with improvised tools.

As a result: there are scratches on the phone, the coating does not apply evenly, becomes covered with bubbles, or simply does not adhere tightly.

Instructions: how to install protective glass on your phone

We have prepared a short instruction manual for those who want to install the glass themselves.

The article contains basic information, but to complete the picture, we recommend watching a video with a detailed description of the installation stages.

Removing old glass: what is important to remember

You must understand that the glass does not stick to the screen due to a special adhesive coating. The adhesion of the film to the smooth surface of the touchscreen occurs due to statics. An attempt to remove it by prying it with a fingernail or (much worse) with a knife will end in damage to the screen and body of the phone.

Even using a special suction cup can lead to unpleasant consequences. Remember, perform all actions smoothly. By pressing hard on the Velcro, you risk damaging the cables or tearing off the screen module. A vacuum is formed between the glass and the film, which will resist the adhesion of the coatings. But even if the suction cup adheres well to the film, there is a chance of damage to the sensor when removing the protective glass. Therefore, act consistently and carefully.

What to prepare for installing protective glass:

mediator (or thin plastic card) - it’s better to take 2 pieces;

silicone suction cup (if you already have reinstallation experience, you can do without Velcro);

napkin or piece of lint-free cloth;

glass cleaner containing alcohol (pure alcohol or perfume will also work);

medical gloves (silicone or rubber).

Once armed with these tools, the job will take no more than two minutes.

Brief description of the process

Before you begin, make sure your hands are free of dust or lint. It is impossible to see the smallest particles on your fingers, so it is better to play it safe and wear medical gloves. They are thin and fit snugly on the hand, so they will not interfere with your work.

Next, install the suction cup on the area of ​​the phone with damaged glass, where there are fewer fragments and cracks. Carefully apply the Velcro to the corner of the screen, and then press down slightly and glue it to the glass. Take the pick and pull the suction cup towards you, only gradually increase the force, otherwise the glass will come off along with the screen.

As soon as you feel the glass peeling off, deepen the pick.

When the glass around the perimeter peels off ~80%, feel free to pull the suction cup and tear off the old screen.

Gluing new glass

Before applying new coating, remove dust and fingerprints. A lint-free cloth is suitable for this: first moisten the screen with glass cleaning compound and degrease the surface using a prepared cloth.

Grasp the protective glass by the edges (put on gloves first).

Carefully remove the adhesive protective surface on the film (keep the glass near the phone, otherwise airborne dust will stick while you transfer the film).

Place the glass as close to the screen as possible (align it relative to the center, check that all holes for buttons, connectors and the camera pass through the film).

Slowly lower the protective covering onto the screen, pressing and simultaneously smoothing from the center to the corners. Use a dry, lint-free cloth or thin plastic card for this.

Remove the film applied for protection during transportation.

It is not always possible to glue glass to a phone without getting dust and lint. If you see that debris has gotten under the film, peel off the glass exactly to the place where there is dirt.

You can also use a compressor, a technical vacuum cleaner, or a can of compressed air to blow out dust particles.

If you don't have anything like this at hand, use tweezers.

As soon as you remove the dirt, glue the glass back.

P.S. And remember, just by changing your consciousness, we are changing the world together! © econe

There are several ways to remove protected glass from your phone screen. The one you need to use will depend on how well the glass is attached to the display. Before you start removing the protective glass from your smartphone screen, you should warm up the screen at a low air temperature for about 15 seconds. It should slightly melt the adhesive on the protective glass. It is important not to overdo it by bringing the hair dryer nozzle too close, as this may damage the screen. After which you can simply use your fingers or some flat thing that will help create a gap between the screen and the protective glass. The last step is to carefully remove the glass.

First, you can try to remove the protective glass with your own fingers, without using improvised means. Perhaps it was secured loosely enough to allow this operation to be performed without effort. You just need to try to catch the edge of the glass with your fingernail. This should be done on the side that is least affected by cracks or chips.

If the protective surface easily succumbed to this influence and moved away from the screen on at least one side, then removal can continue. As soon as it starts to rise, you need to further move under the protective film with your fingers, and not remove it with one jerk. This will help prevent cracks from appearing. This should be done slowly and evenly, otherwise a lot of glass shards may form.

If the protective glass cannot be removed so easily, you can try using a toothpick to pry up one of the corners. As soon as you manage to lift the corner of the glass up, you need to pull it with your fingers, as in the previous method, slowly and evenly. In addition to a toothpick, you can use a credit card, a piece of thin cardboard, or any flat object. You simply insert an existing item into the gap between the screen and glass, and then slowly push it down to lift the protective glass off the display.

Installing a new protective glass on your smartphone screen

There are two ways to install protective glass on your smartphone screen. They provide for dry and wet glass installation, respectively. The first method is for protection using tempered glass, which does not come with a special solution.

First you need to clean your phone screen with a lint-free microfiber cloth. Then you need to detach the glass from the sticky side from the factory protective film. After that, you need to carefully attach the protective glass to the screen, making sure that the Home button, speaker and holes for the camera are located exactly in their places. You can use a credit card or any other tools to ensure even coverage and prevent bubbles.

Wet installation is designed to be protected by tempered glass, which comes with a spray bottle (usually containing alcohol) to assist with installation. Some people prefer to use protective films and glass this way because it completely prevents the penetration of dust and small hairs. Then you should repeat all the steps from the previous method.

The glass on a mobile phone is one of the most fragile elements. If a mobile device falls on asphalt or rubble, the screen will break in most cases. And even the use of durable protective glass such as Gorilla Glass by manufacturers does not help - the displays still break. In this case, you have to buy a new touch panel, and also spend money on replacing the glass on your smartphone. However, you can try to carry out this operation yourself.

Before you begin to replace the glass on your smartphone, you need to know what you will have to deal with. The main elements here will be:

1. Matrix, which is a liquid crystal panel. It is on this that the image you see is formed. In some phones, the matrix is ​​located under protective glass, while in other models these two elements are one. The matrix is ​​connected to the main board of the smartphone through special cables.
2. Touchscreen. This is a glass panel that breaks when the smartphone is dropped. This is what will have to be changed. If the touchscreen and matrix are one solid element, then if the touchscreen breaks down, the matrix will also have to be replaced. It is expensive.
3. Frame and buttons.
4. Backlight.
5. Loops.

Procedure for replacing glass on a smartphone

When dropped, the touchscreen is always the first to suffer, and then the matrix may also break. In any case, the replacement order will look like this:

1. Disassembling a smartphone.
2. Removing the main module from the housing.
3. Warming up the screen.
4. Separation of the touchscreen from the main module. Sometimes it is removed along with the matrix.
5. Cleaning from glue residues and dust.
6. Applying glue for installing a new touch glass. Irradiation with a lamp for quick drying.
7. Housing assembly.

Instructions

If in your phone the matrix and the touchscreen are different elements, separate from each other, then you can handle the simple procedure yourself. This will help save money, because the price of replacing the glass on a smartphone can cost 1000 rubles, and it only takes 10 minutes.

For work we will need:

Some of these accessories come with your new screen.

You need to start with the bolts. Unscrew the bolts using a small shaped screwdriver. Most often, a torx screwdriver is required. Place all the bolts in one place so as not to lose them. A regular matchbox is ideal. Many models have a hidden bolt on the upper left side of the smartphone. It also needs to be unscrewed.

Now we take a pick and with its help we try to remove the smartphone’s case around the perimeter. This tool is ideal for this purpose. Many people try to remove the cover with a screwdriver, but it leaves small dents on the sides, which are immediately visible and even felt when you pick up the phone. Therefore, a pick is an ideal tool for removing a smartphone case.

Pay attention to the side latches. They need to be pressed a little to remove the housing. These latches are fragile and break easily, so be careful when doing so. If you break any of them, the case will not fit as tightly as before.

Now you need to remove the buttons that are on the sides. Take tweezers and carefully remove them without touching any cables. If there is a top on/off button for the smartphone, then it also needs to be removed.

After dismantling the buttons, we move the main board, but we do it very carefully, because under it there is a cable to the touchscreen. You need to disconnect it and connect the cable of the new touch glass. This is necessary to check functionality. After connecting the cable, turn on the smartphone and swipe your finger over the new touchscreen. If it works, then you can begin to completely remove the previous glass.

We remove the old glass and glue the new one

To remove the glass with a hairdryer, you need to warm up the areas where it is attached to the case (usually the touchscreen is attached to the front of the case). Warming up is done at a temperature of 70 degrees for 5-10 minutes. During this time, the mounting adhesive will melt and the touchscreen will easily come off. You can then attach the new sensor to the main part of the phone. At this stage there are 2 options:

1. Remove any remaining old glue. Glue double-sided tape instead and attach the new sensor to it. Note that this is the correct method, but it is more labor-intensive, because you need to remove the old glue, and this is quite difficult.
2. Replace the protective glass on your smartphone using old glue. This can also be done, and the adhesion of the new sensor to the glue will be strong. But first you need to warm up the old glue with a hairdryer after you have torn off the old touchscreen.

Did you glue new glass? Now you need to insert the cable from the sensor into the connector where the cable from the old glass was connected. Then you need to reassemble the phone in the reverse order.

How much does it cost to replace glass on a smartphone?

If you go to workshops, you will have to pay for the screen and the work of the master, which, depending on the workshop and region, can be estimated at 500-1000 rubles. By replacing the glass yourself, you can save money. In this case, it is better to order the sensor through a well-known Chinese website, which will save even more.

If you change the display in the cabin on a new smartphone, the replacement will be very expensive and often amounts to 50% of the cost of the phone itself, and sometimes even more. Therefore, if you have the skills to replace displays and sensors, then sometimes it pays to do it all yourself, even if it takes much more time than in a workshop.

In cases where the sensor and matrix of a smartphone are one unit, replacement will also be expensive, because the matrix itself is an expensive element, and the price of the sensor is cheap. Of course, the image on such displays looks high-quality, but if the glass falls and gets damaged, repairs cost a hefty sum.

Conclusion

Replacing the glass on a smartphone with your own hands is a simple task that requires experience, nothing more. If you want to learn how to do this, then practice first on an old smartphone that you don’t mind ruining. After one or two procedures, you will learn and can easily make the replacement yourself. True, different models may have their own subtleties, but you will figure it out.

How to stick a protective glass on your phone

The Samsung i9190 Galaxy s4 mini was chosen as the “experimental” phone. The glass of the device was cracked, which has not yet been replaced. To protect the screen from dust and moisture getting inside, as well as from further cracking, it was decided to temporarily stick a protective glass on the phone.

Glass has a number of advantages over film:

• the ability to protect the glass of the device from cracking when dropped with the display facing down;
• scratch resistance;
• ease of gluing;
• excellent fixation with the screen;
• aesthetic appearance.

Preparation of the workplace.

In order to save money, glass was ordered from one of the Chinese sites. It came with two napkins in individual packages:

1. wet, with cleaning and degreasing impregnation;

2. dry non-woven.

If such wipes are not included in the kit, they can be replaced with a regular alcohol wipe (or a cotton pad soaked in vodka or alcohol) and a microfiber cloth. You may also need clear tape to remove tiny fibers from the screen.

The work area should be firm (such as a kitchen table) and well lit. Otherwise, dust and stains may go unnoticed when gluing glass.

Preparing the phone glass

1. Wash your hands to avoid accidentally leaving greasy fingerprints on the glass and phone.

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Replacing the protective glass on your phone

There are several ways to replace glass in a phone: simple replacement using double-sided tape or glue, replacement using LOCA (liquid optical clear adhesive), using OCA (optical clear adhesive). Now, in order. The first method is suitable for phones that have an air gap between the phone screen and the sensor. The second method is suitable for phones that do not have an air gap (almost all modern models) and do not have a screen backlight that can be separated (an example is the Xperia Z, Z1-Z3. iPhone), below is an example of a Sony backlight.

Let's go back to the first method. In models that use an air gap (in budget, older models), the touchscreen is replaced by heating the glue along the edges of the screen with a hairdryer, preferably with a controlled heating temperature, and then disconnecting the sensor. The new sensor must be glued to 3M double-sided tape or B-7000 glue, having first carefully removed the remnants of the previous glue and thoroughly degreased the gluing area. You need to make sure that glue/tape/dust particles/your fingerprints do not get on the screen, as they will be difficult to remove, especially if the gluing process is already underway and the protective film has been removed from the sensor. Try to choose the thickness of the glue/adhesive tape the same as it was before. Because when the gap between the display and the sensor of such devices is too small, they can stick together and be held in this state due to the force of surface tension. This spot is very noticeable when the display is turned off and partially disappears when the backlight comes on. It looks like a drop of water squeezed between the glass, which is why such stains are sometimes confused with moisture getting into the device. Repair of such a defect is carried out by re-gluing the sensor.

Next I will describe the second method using LOCA. This method is more time-consuming and nerve-wracking than the previous one. As I said above, it can be used in cases where there is no air gap and no backlight (note - if you have a spare screen backlight module, you can use this method). Why can’t it be backlit, you ask, but here’s why

During the replacement process, glue may get between the backlight layers and as a result, the same or similar spots or illuminated areas will appear. In this case, only replacing the backlight module will help. This is not difficult, but there is a risk of breaking the screen module. If you have a mold for the screen and you can use a lining and a quick-drying sealant to prevent this from happening, then you will win, since you will not need to replace the entire screen with the touchscreen (I only succeeded once, it was very problematic to remove after This is the remains of the sealant).

If there is no such backlight (Amoled screen), then it is possible to use LOCA without fear xD. The process of replacing glass in such cases is as follows: you need to peel off the screen together with the glass from the phone frame (only glass is possible, but in this case there is a possibility that the glue will not dry completely under ultraviolet light and will subsequently leak out in small quantities between the glass and the frame, It can also get on the motherboard and other components (it is not conductive)) and then peel off the broken glass using a molybdenum thread and a heating platform or a hair dryer. If this thread is not available, then it is possible to use the thinnest guitar picks or plastic cards. The heating temperature of the screen should not exceed 60-70 degrees, because this is fraught with the appearance of yellow spots (only replacing the screen will help) or darkening in the area of ​​overheating. A laser thermometer and a hair dryer with temperature control help a lot. Be careful when peeling off broken glass - try not to make deep scratches on the screen (they will be clearly visible later even using LOCA). Small scratches are well hidden with glue. If it happens that a deep scratch appears, then in this case only replacing the polarizing layer will help. To remove excess glue, you can use a special solvent or original purified Zippo gasoline. Counterfeit gasoline or cheap noname ones may not dissolve the glue or leave greasy marks. When disconnecting the frame from the frame, the copper layer may be damaged. During the process, you will notice this if graphite particles appear on plastic cards. Don't be afraid, there's nothing wrong with this. This copper screen can be replaced, or even left without it (but not advisable). It looks something like this.

Good afternoon, @zveriu, please help me with an answer. Is it possible to glue the sensor tightly with glue like on OCA, but on a phone that originally had an air gap? Will this work?

There is a Lenovo tab 2 a7-20 tablet with a broken touchpad.

There the touchpad is glued with double-sided tape.

Can it be glued with loca glue?

If I understand correctly, this will give a more pleasing appearance to the device and screen.

Good afternoon. If it was not initially glued with loca glue, then you should not do this

I don’t have this information, since I only used the one with UV. Sorry.

I illuminate the glue with a nail lamp bought at a bakery around the corner for 300 rubles. long (about 10 minutes) but illuminates.

A regular energy-saving UV lamp or a UV LED spotlight is suitable. Much faster

Can you please tell me if there is UV-free glue? There is no lamp to dry it.

And another related question about the gluing technology on the Nexus 4, what type?

I dropped the Xiaomi Redmi Note 4 phone on the edge of the table, the glass remained alive, but the matrix was cracked and the touchscreen was producing false presses.

I sent it in for service, the module was completely replaced, but now between the metal frame of the case and the glass there are translucent traces of excess glue visible.

I tried rubbing in these places with a toothpick, the crumbs of this mass fly off, but the translucent composition becomes whitish (the color is like plastic plexiglass in cross-section).

Is it possible to somehow remove these residues completely?

You risk accidentally damaging the screen when picking. The service just didn't do it very carefully. You can try to remove it, but I won’t advise this since I haven’t encountered it before and I haven’t been doing phone service for a long time. There are service technicians on Pikabu who lay out the complete process of repairing phones. Better ask them. Sorry

The diode strip is located on one side of the screen. If your hands are straight and don’t shake like mine, then you can carefully peel off the backlight layer and re-glue the touchscreen with liquid glue. then just remove the rest of it and glue the backlight back on. But it is possible to get a crack on the screen (during the process of peeling off the backlight). Or squeeze the screen a little while removing the touchscreen and removing the glue. In this case, you will get a black spot that cannot be removed. Well, you can not worry and order a spare backlight module and simply replace it at the end of the process

Is it possible to do without a lamp? Maybe you can dry the glue in a different way?

LOCA only cultural violet

Tell me, on OnePlus one, can the sensor be glued or an air gap?

What does the probability depend on?

If you can carefully peel off the backlight layer, then protect the mirror layer with film and then use LOCA and at the very end wipe the whole thing off of excess glue and glue it back, then everything will be ok. If you do not peel off the backlight, the glue may seep into it and there will be stains (only replacing the latter will help). Well. if you have a laminator and OCA, then you don’t have to worry about it :)

I read it after I turned on the backlight

Hello! Please tell me, the screen on the Lenovo s850 is cracked, in the area of ​​the cracks yellowish spots began to appear, barely noticeable. The sensor itself began to glitch, it gives out something completely different from what you pressed)) when you click on the text, it can turn on the settings itself, or go to to another page on the Internet, etc. Do you need to change not only the glass, but also the sensor? Is it possible to make the replacement yourself on this model?

Good day! Question about replacing the sensor. I changed the sensor on Doogee x5 myself. I attached it to the frame with double-sided tape (3mm). As a result, about 1mm of tape stuck out around the perimeter of the frame (toward the center). When I disassembled the phone and removed the screen, some kind of rubber band or adhesive tape came off the screen; it was around the perimeter of the screen and torn in one place (I just found out that it was a seal) and I threw it away. During assembly, the screen was placed without a seal on adhesive tape (1mm), which looked out from under the frame around the perimeter. After assembly, I briefly checked the sensor, and then glued a protective glass onto the sensor. After that, I checked the sensor more carefully and discovered that when I hold it with my finger, the page shakes, jumps up and down, and when typing fonts on the keyboard it gives an error of one letter down. What could be the problem? if in a sealant, where can I get it or what can be used as it? I used all the programs from the playmarket for calibration, but it did not give any results. Is there another way to calibrate? Thank you in advance for your attention.

It's a matter of the sensor. There is an elastic band around the edges so that when pressed in the center of the screen, the screen and sensor do not stick together (due to surface tension, they will remain in this state until the touchscreen is peeled off again)

The main function of a smartphone's protective glass is to take the blow, protecting the touchscreen from damage. When this happens, it often becomes unusable, becoming covered with chips, cracks and other damage. The level of protection from this drops significantly; in addition, the view of the display deteriorates, and the smartphone loses its attractiveness. To change the cover to a new one, you must first remove the broken protective glass from the phone. And here difficulties arise, which will be discussed in the material.

Precautionary measures

There is one important point to consider before removing the old protective glass from your phone. Thanks to the perfectly smooth surface of the touch screen, the glass adheres to it very firmly. Usually it is held in place not by glue (although this also happens), but by electrostatic forces. The two flat surfaces are in very strong contact, making it impossible to remove the glass simply by lifting it with your fingernail. If you take the first available tool (like a knife), there is a risk of damaging the smartphone’s display and its case.

One silicone suction cup is also not enough. If you stick to heavily damaged glass, a vacuum will not form inside under it, and when force is applied, it will come off. If the grip is good, the suction cup will not come off, but another problem arises. The sensor is fixed in the case using double-sided adhesive tape or glue, the tensile strength of which is lower than that of the touchscreen and protective glass. If you overdo it, you can completely tear off the screen module, damaging its cables. Therefore, you need to act thoughtfully and consistently.

How to remove glass from a phone and stick a new one on

Before you remove the broken protective glass from your phone and replace it, you need to prepare and arm yourself with a set of tools and tools.

For this you will need:

• pick, spatula or thin plastic card (preferably 2 pieces);
• silicone suction cup - optional;
• lint-free napkin;
• glass cleaner (preferably alcohol-containing), alcohol, vodka, or alcohol-based perfume (perfume, cologne) - to choose from;
• medical gloves - optional.

Often, new protective glass can be equipped with the necessary accessories.

The dismantling procedure is extremely simple and takes a minute.

• Before removing the protective glass from your phone, you need to wash your hands with soap and dry thoroughly, or simply wear rubber gloves. This is necessary to prevent fingerprints and smudges from appearing on the surface of the screen.
• On broken glass, you should find the most intact corner where there are no chips or other damage (or there is, but in the smallest amount). You need to attach it there with a suction cup, pressing it against the screen.
• The corner to which the suction cup is glued must be pryed with a pick, spatula or suction cup so that the edge of the glass peels off. To do this, you need to simultaneously pull the suction cup slightly towards you. It is important not to overdo it so as not to rip off the screen before there is a gap between it and the glass! If you don’t have a suction cup at hand, you can simply smoothly insert the pick deeper into the resulting gap.
• As the glass peels off, you should deepen the pick/spatula/card. If the screen is large, it is recommended to work with two tools at once, moving them in different directions.
• The final touch is to pull the suction cup towards you until the glass comes off completely. You can grab the edge with your fingers and do the same.