The screen of Xiaomiβs smartphone is one of the most vulnerable parts of the device. Even minor mechanical impact (fall, pressure in your pocket or bag) can lead to a warping of the display: the appearance of βwavesβ, bulges or concaves. Unlike cracks that require mandatory glass replacement, a curved screen can in some cases be straightened on its own without going to the service center and serious financial costs.
In this article, we will discuss 5 working methods for straightening the screen on Xiaomi Redmi, POCO or Mi, including models with AMOLED and IPS-You'll find out:
- π Why the screen is βswelling upβ and when it can be saved without a phone being disassembled.
- π οΈ Step-by-step instructions with photo and video for each method (including the hairdryer and credit card method).
- β οΈ What can not be done to avoid aggravating the damage (spoiler: heating above 60)Β°C destroys the adhesive layer between the glass and the matrix).
- π° The cost of repair in the service and when self-manipulation is pointless.
Importantly, not all deformities are treatable, and if the screen is not only bent, but also colored stripes, artifacts or broken zones, that's a sign of damage to the matrix, and then the only thing that helps is to replace the display.
1. Causes of Xiaomi screen warp: when straightening is possible
Before trying to straighten the screen, you need to understand what exactly was deformed:
- π± Glass is the most common case, curved at a point impact or pressure, but the matrix remains intact.
- π₯οΈ Matrix (display module) β deformed when the body is bent strongly (for example, if you sit on the phone), often accompanied by broken pixels or stripes.
- π Bloated battery - presses on the screen from the inside, creating a bubble. Requires immediate replacement of the battery!
You can straighten the screen only if only the glass is damaged. When the matrix is deformed or the pressure from the battery is self-repairing is useless and even dangerous. To diagnose the problem, do a simple test:
Turn on your phone and look at the picture from different angles.|Try to press the bulge slightly - if it "springs", this is glass|Check if the glass is moving away from the body at the edges (a sign of detachment)|Make sure there are no colored stripes or flickering (symptoms of matrix damage)-->
Signs that the screen can be straightened:
- π’ Visual wave or dent without cracks.
- π’ The picture is not distorted, there are no artifacts.
- π’ The screen responds to touches in all areas.
Signs that a replacement is needed:
- π΄ Colored stripes or "broken" pixels.
- π΄ The screen does not respond partially or completely to touch.
- π΄ Cracks or chips are visible.
Falls from a height|Pressure in pocket/bag|Blunt-force impact|Battery swelling|Other causes-->
2. Method 1: Straighten the Xiaomi screen with heating (dryer or hot water)
This is a technique that works for minor dents where the glass has bent but not cracked, and it's based on the fact that when heated, the adhesive layer under the glass becomes plastic and can be gently squeezed back in.
What you need:
- π₯ Household hair dryer (or hot water in a rubber glove).
- π Plastic card or mediator.
- π§» Soft fabric without pile.
- π Patience β the process can take 20-30 minutes.
Step-by-step:
- Turn off your phone and remove the cover (if you have one).
- Heat the dryer to a minimum temperature (no higher than 50-60).Β°C) Exceeding this threshold may damage the matrix and detach the glass completely!
- Keep the hair dryer at a distance of 10-15 cm from the screen, evenly warming the deformed zone for 2-3 minutes.
- Place your phone on a soft surface (like a towel), take a plastic card, wrap it in a cloth, and gently press the bulge as you move from the edges to the center.
- Repeat the heating and pressure 3-5 times until the screen is leveled.
The alternative is hot water:
- Pour hot water into the rubber glove (β50Β°C).
- Put the glove on the screen for 1-2 minutes.
- Carefully press the dent.
What if the screen starts to βcrunchβ after heating?
β οΈ Warning: Do not use a building dryer β it heats the air to 300-500Β°C, which is guaranteed to destroy the matrix. Also avoid direct contact of the screen with water (even in the glove) - moisture can leak under the glass.
Method 2: Vacuum bag straightening (for severe dents)
If the screen is heavily concave (for example, after the phone has sat down), and the heating did not help, you can try the method with a vacuum package, which creates uniform pressure over the entire surface, returning the glass to its original shape.
Materials required:
- ποΈ Vacuum food bag (sold in hardware stores).
- π₯ Fryer (for preheating).
- π§Ό Soap solution (to check leakage).
Instructions:
- Turn off the phone and wrap it in food film, leaving only the warped part of the screen open.
- Place the device in a vacuum bag so that the dent is on top.
- Heat the screen with a hair dryer (as in the first method) for 1-2 minutes.
- Close the bag and pump the air out with a vacuum cleaner or a hand pump, and the pressure inside the bag should be lower than atmospheric pressure.
- Leave the phone in the bag for 10-15 minutes. The vacuum will pull the glass back in.
- Take out the device and check the results. Repeat the procedure if necessary.
This method is particularly effective for flexible models. AMOLED-screens (e.g. Xiaomi Mix Fold or Redmi) K50 Ultra, where the glass is thinner and more plastic.
π‘
If you don't have a vacuum bag, you can use a vacuum cleaner with a narrow nozzle. Apply the nozzle to the dent, turn the vacuum cleaner on at medium power and hold it for 30 to 60 seconds. The main thing is not to overdo it so as not to "draw" the glass too much.
Method 3: Use of specialized tools (for power users)
If you're not afraid to take your phone apart, you can try straightening the screen with the professional tools that you use in service centers, which is a very neat technique that's only suitable for models with a removable display (like the Redmi Note 10, POCO X3).
What you need:
- π§ Screwdriver kit (cross, flat, Pentalobe for some models).
- π§² Screen suction cup.
- π Plastic mediators (to disconnect plumes).
- π₯ Thermo-air station or hair dryer with temperature control.
- π‘οΈ Protective gloves (glass may break when disassembled).
Step-by-step process:
- Turn off your phone and remove the back cover (if it is removable). For models with adhesive body (for example, Xiaomi 12), you will need to heat the hair dryer around the perimeter.
- Disconnect the battery (required!) to avoid short circuit.
- Heat the screen to 50-60Β°C, then with a suction cup, gently lift it.
- If the glass has separated from the matrix, do not try to glue it back - this requires special equipment. Instead, gently press the dent on the back side (from the matrix side) with a plastic tool.
- Put the phone back together.
β οΈ Attention: Disassembling a Xiaomi phone without experience is fraught with damage to the plumes (especially in models with a pop-up camera or folding screen).If you are not sure about your skills, it is better to contact the service.
π‘
Self-disassembly of the phone is not warranty, even if the repair was successful. Before starting work, check the status of the warranty in the Mi Service application.
5. Method 4: Straightening the screen with a magnet (for small dents)
This is suitable for small local dents where the glass has bent point-by-point (for example, from a sharp object impact), and the magnet creates uniform pressure, helping to return the glass to its original shape.
Instructions:
- Place the phone on a smooth soft surface (such as a mouse mat).
- Take a neodymium magnet (you can use an old speaker) and wrap it in a thin cloth.
- Carefully swipe the magnet across the screen in circular motions, slightly pressing the dent, the movements should be smooth, without jerking.
- Repeat the procedure 5-10 times, checking the result after each approach.
This technique works because the magnetic field aligns the molecules in the glass, and the light pressure helps to eliminate the deformation, but it is not suitable for deep dents or cracks.
6.When self-righting is meaningless: signs for contacting the service
Not all screen strains can be fixed at home, but here are 5 signs that itβs time to bring your phone to the service center:
| Symptoms. | Possible cause | What do you do? |
|---|---|---|
| The screen "steps away" from the body at the edges | Detachment of the adhesive layer between the glass and the matrix | Requires a screen glue in the service |
| Colored stripes or flicker | Damage to the matrix or plume | Replacement of the display module |
| The screen does not respond to touches in the dent area | The sensory layer rupture | Diagnosis and replacement of touch screen |
| The phone is overheating or discharged quickly | The bloated battery is pressing on the screen | Emergency battery replacement! |
| Cracks or chips on the glass | Mechanical destruction of the protective layer | Replacement of glass or the entire module |
If you notice at least one of these symptoms, don't try to straighten the screen yourself - this can make the problem worse.The average cost of repairs at Xiaomi service centers:
- π² Glass replacement (without matrix): 1,500β3,000 β½.
- π² Replacement of the display module: 4,000β12,000 β½ (model).
- π² Screen reticking: 2,000β5,000 β½.
For models with AMOLED-screens (e.g. Xiaomi 13, Redmi) K60) It's more expensive to repair because of the complexity of the design, and in some cases it's cheaper to buy a used phone of the same model on an Avito or Yule than to fix the screen.
7.Prevention: How to Avoid Xiaomi Screen Warping in the Future
So that you do not have to look for ways to straighten the screen again, follow simple rules:
- π± Use a hard case with corner protection (for example, Spigen Tough Armor or Ringke Fusion).
- π‘οΈ Then, put a glass on the back (preferably with a coating). 9H).
- π Donβt carry your phone in the back pocket of your pants β itβs the most common cause of bending when you fall.
- π Watch the battery: if the phone is faster to discharge or warm up, check the battery.
- π« Avoid screen pressure (do not put heavy items on your phone).
Especially careful should be the owners of folding smartphones (Xiaomi Mix Fold) 2/3). Their screens are thinner and more sensitive to mechanical stress:
- Keep your phone open if it is not in use for a long time.
- Avoid sudden movements when opening/closing.
- Use special covers with support for hinge.
π‘
If you drop your phone frequently, consider Gorilla Glass Victus models (e.g. Xiaomi) 13T or POCO F5). They are 2 times more resistant to scratches and impacts than conventional glass.