How to change the main glass of a smartphone? How to distinguish what is broken - a touchscreen (glass, touch glass) or a display

The mobile phone screen is very fragile and important component. Damage to this part makes the operation of the smartphone almost impossible, but what should you do if you still receive a defect? You can try to take the initiative into your own hands and tackle the repair procedures yourself. This kind of entrepreneurship can save you a good amount of money. How to change the glass on your phone? There are instructions that will allow you to repair the device yourself at home. We will pay attention to these instructions in this article.

Features of repairing glass of a mobile gadget at home

When falling, most often the touchscreen takes the brunt of the impact. A huge number of calls to the service center are associated with this type of breakdown.

Important! This prospect is not very encouraging, since some cases of replacement in workshops will cost you half the cost of the mobile phone itself. This situation is caused by the fact that many device models use OGS screens.

In order to divide the display into a touchscreen and a matrix, acquire the most simple tools(a vacuum suction cup, a Phillips screwdriver, a sharp knife and a thin flat object) will not be enough. All replacements usually occur in the following order:

Disassembling the device.
Removing the damaged module from the housing.
Strong fixation and heating of the display using special equipment.
Separation of the matrix from the touchscreen using a special nylon thread.
Cleaning the matrix from technical glue.
Placing the component on a special stencil for subsequent application of colorless photopolymer glue.
Placing the sensor in a stencil to remove excess glue between layers.
Irradiation with ultraviolet rays for rapid hardening of the glue.
Returning the module to the case and assembling the device in the reverse order.

Important! As you may have noticed, without special equipment you won’t be able to do the repairs yourself. Unfortunately for most users, OGS screens are installed on almost everything modern smartphones and all independent attempts to carry out a replacement are relevant only in those cases if you are interested in gaining experience and do not mind breaking the device at all.

How to change safety glass on the phone? If you are still filled with courage and desire to return the device to stable work, then there is one way for you.

We replace OGS glass at home

Disassembly should only be undertaken by those users who have some experience in this area. It will be very difficult for a beginner to avoid new damage. To carry out disassembly, you need to use the following tools and available means:

A small set of Phillips and Torx screwdrivers for disassembling the case of a mobile phone.
Plastic spatula, unwanted debit card or guitar pick.
The most common hair dryer, capable of heating the screen to about 80 degrees Celsius.
Thin nylon thread or guitar string. These tools will be needed to divide the module into its component parts.
Work or medical rubber gloves.
Rubber suction cup with ring.
Some kind of perforated metal sheet and about a dozen bolts and nuts. The length of the bolts should be about 2-3 cm.
A special glue that hardens when exposed to UV (ultraviolet) radiation.
Ultraviolet lamp, pure alcohol or glass cleaner and computer wipes.

Important! Shaped screwdrivers, technical picks and plastic spatulas with suction cups are often supplied with a new touchscreen. It is best to use the above replacement tools.

Replacing the glass on your phone yourself looks something like this:

First you need to disassemble the device body. The task is simplified if the mobile phone is equipped with a removable cover and battery. After disassembling the case, take a screwdriver and unscrew all the screws that secure the elements to the case. On YouTube you can find hundreds detailed instructions for carrying out this procedure.
Now you need to take on the display module itself. We take a hairdryer and warm up the smartphone around the perimeter. We “grab” the module with a suction cup and pull it slightly towards ourselves, not forgetting to warm up the entire structure with a hairdryer. Try not to damage the cables when removing the part.
Now we need to prepare for delamination of the extracted module. Simply place it on a pre-prepared metal plane with holes and screw bolts around the perimeter of the module so that it does not move.
Let's move on to the bundle itself. We take the same hair dryer and thoroughly warm up the matrix to about 70-90 degrees Celsius. Now we take a nylon thread or a guitar string in our hands, grab it by the edge, and, continuing to warm it up, “cut” the components.
If everything worked out for you, then clean the matrix from the remnants of old glue using alcohol and napkins. All this must be done very carefully to avoid damaging the screen.

Important! You should wear gloves to avoid leaving any greasy marks. If the layer of glue is removed without problems, then wipe the component with alcohol one more time.

We coat the matrix with new glue, in accordance with its new touchscreen. Now we press lightly on the structure and remove the glue protruding from the sides.
You need to irradiate the glue under a UV lamp for about 30 minutes.
We begin installing the module if there are no traces of the old glue left. We place the module on the cable and lubricate the body around the entire perimeter with glue.
We glue the whole thing onto the body, wait for it to dry and assemble the gadget in reverse order.

Important! Don't forget to check the functionality of the device.

How to replace the protective glass on a phone if it is not OGS technology?

Changing the glass on a smartphone

If your device uses a screen with an air gap, then you can safely take on the replacement. This is exactly the case when you will be able to save 100%. But this method also requires a certain base of technical knowledge and the ability to use a soldering iron. You will need all the same tools that were used in the previous method, and you need to follow these instructions:

We disassemble the phone in the same way as in the previous method.
We remove the screen using a hair dryer, place the suction cup on the touchscreen and remove it.
Now you need to get rid of the damaged part by sending the obsolete component for scrap. After this, we clean all workspaces from glue or tape.
We put new component. Before installation, remove the film from the matrix module. Thin strips of double-sided tape or B-7000 glue are applied along the perimeter of the structure. Place the sensor in its rightful place and press it until dry. Don't forget to remove any spilled drops.
If soldering was used to attach the module, then take a soldering iron in your hands and fix the part around the perimeter using solder.
We reassemble the entire phone in reverse order and check its functionality.

Work of modern touch phones is provided by special screens capable of analyzing physical impacts on them. One of the disadvantages of these structures is their fragility, which can lead to rapid failure of the entire system.

In this case, you should buy a touchscreen that fits your phone model and replace the old part. You can familiarize yourself with the nuances of these operations on many specialized sites.

Some nuances

The touchscreen is touchpad, which is the main element that senses finger pressure. This design is made of thin and durable glass, which is fixed on the front panel of the phone.

Under the touchscreen there must be a matrix, which is responsible for forming the image on the screen.

It should be understood that many modern phones These products are integral and cannot be disassembled. Therefore, if you plan to replace the sensor in it, then you will have to buy a complete new display with all the functionality.

Replacement algorithm

The process of installing a new touchscreen can be divided into several sequential operations:

First of all, the phone is disassembled in order to get to the sensor. The technology for dismantling it depends primarily on the specific modification of the device.
When the touchscreen is completely removed, you should warm it up using a special hair dryer. To do this, place it on a flat surface. It’s better to use a special stand.
On at this stage you need to separate the glass and the matrix. Many people use a thin stationery knife for this. But a nylon thread of a certain thickness is better suited for such purposes. You can buy it in special stores.
After removal, the matrix is thoroughly cleaned of glue. When the substance is completely removed, a special photopolymer glue is applied to the surface of the mechanism. To do this, use a stencil that will help distribute it more evenly.
At this stage, a new touchscreen is attached to the matrix. It is important to place it evenly and then remove any remaining glue. To ensure that the system holds, the mixture is polymerized using an ultraviolet lamp.
The process ends with installation assembled system back to the phone, as well as connecting all the elements.

It should be understood that the process of replacing the sensor is a complex procedure. Therefore, if the result is important to you, it is advisable to trust such operations to experienced specialists.

How to remove the touchscreen?

The touchscreen of a smartphone, that is, its touch screen, may suddenly stop working. In this case, you can’t think of anything else other than replacing it. It is known that you can order a touchscreen at a relatively low price, but replacing it can be quite expensive. Therefore, in this article we will look at how to remove the touchscreen yourself.

Removing the touchscreen

In so-called block repairs, removing the touchscreen is one of the most difficult steps. Moreover, for each smartphone model, how to disable the touchscreen and remove it will have individual characteristics. We will only give general scheme without detailed description disconnecting loops, cables, etc.

To carry out dismantling, you will need a special device that resembles a screwdriver, but instead of a metal slot, it is equipped with a plastic one. Sometimes specialists use some kind of scalpel.

First you need to pry off the touchscreen, separating it from the frame. This is not at all easy to do; it requires not only accuracy, but also precision.
Then the touchscreen is warmed up with a hairdryer to make it easier to remove. It should not become hot during this process.
After this, specialists use a thin but dense plastic film to insert it into the gap and begin to remove the layer of glue. The specialist lubricates the film with a special solvent so that it gets on the glue and corrodes it.
So you need to walk around the entire perimeter of the touchscreen and eventually carefully remove it.

As you understand, this process is quite complex, so you should still contact specialists, but if you are quite confident in yourself, then instead of film you can use plastic card, for example, an overdue credit card. Solvents can be purchased at a specialized retail store. computer equipment and accessories.

Somehow it happened that the touchscreen on Samsung phone The Galaxy S III Mini, dear to me, is covered with a network of undecorative cracks. He took it to the workshop, they promised to do it quickly. The cost of repairs is 2500 thousand. But paying a third of its cost for phone repair is somehow stupid. So, I change the touch screen on my phone with my own hands.

I started by buying an original touchscreen at a telephone parts store for 560 rubles (I didn’t dare take the Chinese equivalent, although it was half the price).

1. We also need small screwdrivers: regular and Phillips; a sharp object like a knife, maybe a stationery one (I used a scalpel); medical gloves.

2. We disassemble the entire phone: remove the cover, take out the battery, SIM card, flash drive. Use a small Phillips screwdriver to unscrew the screws around the perimeter of the phone.

3. We admire the result.

4. Use a knife to pry off the phone cover from the end and separate the front wall from the back. We run a knife around the entire perimeter of the phone, disconnecting and removing the two parts of the phone from the latches.

5. Result.

6. Now we need to disconnect all the cables on the board. Carefully pry them off with a small screwdriver (as in the photo).

7. After the cables have been disconnected, we pry up and remove the board.

8. Unscrew the two bolts of the USB input and take it out. This will have to be done because it covers part of the touchscreen cable.

9. Next, work only with gloves so as not to leave fingerprints on the phone display. Otherwise it will take a long time to scrub them off. cotton swabs. We pry up (just as when disassembling the case) with a sharp object (preferably a blade) the edge of the touchscreen, and draw the blade along the entire perimeter. We move along the very edge so as not to scratch the plane of the phone screen. The touchscreen is glued to the body with adhesive tape.

10. We insert a new one in place of the cracked touchscreen, having first removed protective film from an adhesive base. We reassemble in the reverse order, not forgetting to connect all the cables. The work is done, all that remains is to think about what to spend the saved money on.

Implemented everywhere and in everything modern technologies significantly simplify our lives. The “sensory innovation” did not escape mobile devices- telephones. Today, most of these electronics are equipped with Touch Screen panels, through which the user can interact with particular ease. specific device communications. But, as you know, there is no smoke without fire... At some unfortunate moment, your favorite smartphone becomes “unresponsive”, not reacting to the touch of your fingers. However, replacing the touchscreen - as an inevitable process in repairing this type of fault - will help you regain lost control over the device. To learn how to do this yourself and why in some cases you still cannot do without the help of specialists, read this article.

About mobile fragility, optical illusion and the obligatory repair process

It often happens that when the phone falls, the touch panel breaks, but retains its “working” qualities. Under such unfavorable circumstances, the device only loses its aesthetics. Nevertheless, it is difficult to disagree with the fact that broken lines of cracked glass or plastic spreading across the screen are, in general, an unpleasant sight. As you understand, in order to restore the former beauty and attractiveness of a “lost face” device, you will need to replace the touchscreen. It is necessary to reinstall the damaged part for one more reason: the display located under the touch panel becomes the most vulnerable. Since nothing else prevents the penetration of dust and moisture. And even with a slight mechanical impact on the screen - be it careless pressing, pinching or some previously uncritical pressure (a tight pocket, for example) - there is a high risk that the matrix will not withstand it and, as they say, will float.

A little about “Alas...”

Let's make a reservation right away: some modifications mobile phones touch glass changing it at home is simply unrealistic. Sometimes the manufacturer uses, so to speak, sandwich technology, firmly gluing the display and touch module together. Of course, such a “tandem” has a lot of advantages, but the main disadvantage is one: replacing the touchscreen (glued to the LCD) is impossible without the use of special equipment. Do not be deceived by all those who have seen or read on the Internet about a miracle method that guarantees 100% success in the process of separating the screen from the “touch” - these are all stories or isolated cases of a successfully conducted experiment.

So, before you embark on a touchscreen replacement restoration project, make sure that your mobile device- not a “successor” of OGS (full lamination) technology!

How to change the Touch Screen module if it is removable?

First of all, you need to know exactly how your phone is disassembled. In the case when you dismantle the body parts of the smartphone, so to speak, blindly, it is unlikely that you will be able to avoid various breakdowns in the future. Without a special tool, some models simply cannot be disassembled. For example, to remove back cover iPhone requires a screwdriver - pentalobe. Some smartphones have glued casings, while others are oversaturated with various hidden fasteners. Well, still others even combine all sorts of structural tricks. In general, you simply cannot do without a disassembly manual.

General principles and fundamental rules: replacing a Samsung touchscreen

Only relatively recent modifications of the brand mentioned in the title are equipped with “hard-to-separate” screen modules. Other phones, such as the S5320 and others like it, are easily amenable to the touchscreen reinstallation process. Although, to be more precise, a plastic touchscreen, because the main material from which it is made is polymer. Well, let's take a look at the generally accepted universal algorithm of actions when replacing a removable Touch Screen element.

Purchase only original quality sensor modules.
Use the service manual to disassemble your device.
Take your time and be patient (psychology in microelectronics is an important component of a successful result).
Before picking or pulling anything, make sure that all the bolts are unscrewed and that any sticker does not hide a “forgotten” screw.
Be careful not to break internal cables and connectors.
Avoid any movement or gaps during positioning touch screen, its edges should fit snugly against the body base of the phone.

In general, be careful and consistent. Don't rush! Glued - heat and release without jerking, twisted - unscrew and carefully lift. The main thing is that you should not have any “extra” details.

Solution for “glued” Touch Screen panels

When to replace Lenovo touchscreen(and models of this brand in lately are mainly equipped with “sandwich” display modules), used specialized equipment— separators, or, as they are also called, preheaters. Naturally, a machine that is far from cheap is the prerogative of service centers and professional workshops. However, if you turn to specialists, then reasonable savings(after all, the screen is working) in the end it will still be insignificant. Therefore, it is more advisable to purchase an original display module and install it yourself.

It is worth noting that for some smartphone owners the price of the part may seem a little expensive. However, this is the only “painless” method to get rid of the problem we are highlighting on your own. Don’t try (oh brave ones of this world!) to repeat those stupid experiments using red-hot spirals and irons, which are abundantly available on the Internet. It’s better to let the screen remain intact, so to speak, for the future, than to crush or melt it when you carry out its “unconventional” replacement.

Sony's touchscreen couldn't be more reliable: a practical answer to an advertiser

Of course, this is a rather controversial statement, but it is not without meaning and there are provable arguments too. However, let's be realistic and consider as an example step by step plan implementation of the repair process, which can be entitled “Installation of a new display module on a phone from a legendary brand”:

As a rule, back panel The smartphone is attached using an adhesive base.
Use a regular household hair dryer - walk along the edges of the protective cover (the back of the device) and gently lift one of the edges. Pull the blade of the tool around the entire perimeter of the body.
Dismantle everything internal components phone, not forgetting that accuracy in actions is the key to the success of an enterprise!
The display module is also glued to the case base - warm it up and carefully remove it.

After you install new screen, and along with it the original touch panel and you will safely assemble your favorite phone, you will have something to be proud of!

As an encouraging ending

Replacing the Xperia or iPhone touchscreen is carried out according to the same scenarios as described above. If you don’t want to take risks and feel somewhat insecure with a screwdriver in your hands, contact a specialized workshop, and they will definitely help you. Well, I would like to wish inquisitive practitioners success in engineering research. All the best to you, and may your phone always be “mega-clickable”!