Xiaomi phone bent, but it works: what to do to avoid aggravating the breakdown

Why does Xiaomi’s body warp even when the phone is working?

You took Xiaomi out of your pocket, and you noticed that the body curved like a banana, even though the screen is turning on, the touchscreen is responding, and the camera is taking pictures. The first thought is, "It's working, so everything is fine!" That's a dangerous misconception. The deformation of the body is not a cosmetic defect, but a signal of internal problems that can lead to a complete failure of the device in 1-3 weeks.

The reasons for the bending of the case in Xiaomi smartphones (and other brands) are divided into two groups:

• 🔥 Heat: overheating of the battery, chipset or charger, more common in models with a metal body (Mi 11, Redmi Note 10 Pro) or thin plastic (POCO X3).
• 💥 Mechanical: falling to a hard surface, pocket pressure (for example, if you sit on the phone), factory marriage of motherboard fasteners.

The tricky thing is that the phone might work now, but:

• 📉 Battery loses capacity 2-3 times faster due to microcracks.
• 🔌 Contacts plumes (display, camera) gradually go away – there are “glitches” of the screen or artifacts in the photo.
• 🔥 The risk of short circuit increases if the deformation hits the battery.

First things: What can and can’t be done right now

Stop! Don't try to straighten the body by force -- it's almost guaranteed to damage the plumes or the motherboard.

If the phone doesn't turn off through the buttons, wait for the battery to run out. Do not use a forced reset (for example, via fastboot) - this can cause a circuit on damaged contacts.

⚠️ Warning: If the case is hot to the touch or smells of a burn, immediately place the device on a non-combustible surface (ceramic tiles, metal tray) and move away!

Don't believe the advice of "knock on the case" or "put it under the press." Xiaomi (especially the Redmi and POCO lines) has a motherboard attached to the middle frame - any hit can rip off a memory chip or processor.

How to assess the degree of damage: 5 tests

Before you carry your phone to the service, check it yourself, which will help you avoid forced repairs.

If any of the tests show a “dangerous signal”, do not delay a visit to the service. For example, a bloated battery can damage the screen from the inside, and the outgoing camera plumes lead to ERROR: CAMERA FAILED in applications.

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To check the battery without charging, turn the phone on in Safe Mode (press Power, then hold "Stop" → "Safe Mode"). In this mode, background processes are turned off, and the discharge goes slower.

Can you straighten the Xiaomi body yourself?

80 percent of the time, no, but there are exceptions where the risk is justified:

• 📱 Deformation of the body only (the screen and battery are not affected).
• 🛠️ You have experience disassembling equipment (or you are ready for the fact that the phone may stop turning on).
• 💰 The cost of repair in the service exceeds 70% of the price of a new smartphone.

If you decide, you will need:

• 🔧 Plastic mediators for disassembly.
• 🔥 Hair dryer (to soften screen glue).
• 📏 Micrometer or ruler for measuring curvature.
• 🧲 Magnetic screwdriver (for screws Xiaomi usually need bits) T3 and T5).

Real user experience: In forums 4PDA Mi Community has cases of successful "rectification" of the Redmi Note 9 and POCO F3, But 30 percent of the time, they had sensor or Wi-Fi problems. AMOLED-screens (for example, Xiaomi 12) are almost never subject to self-repair – their matrixes are too fragile.

When you need to get into the service: 4 critical signs

If any of these symptoms occur, do not hesitate:

1. The battery is swelling. Even if the phone is working, the risk of fire remains, and the service will replace it with a new one (cost for Xiaomi is from 1,500 to 4,000). ₽).
2. The screen started peeling off, which means that the tape holding the matrix is torn, then cracked or the display fails completely.
3. The phone reboots spontaneously, signs of microcracks on the motherboard, and it'll cost you 3,000 to 10,000 to repair. ₽ (model-wise).
4. One of the cameras or the speaker is not working, a sure sign that the plumes have gone, and they will be soldered or replaced at the service (price from 2,000). ₽).

Average prices for repairs in official Xiaomi services (Moscow, 2026):

⚠️ Attention: informal services may offer "cheap" repairs using used parts. For Xiaomi, this is fraught with problems with the use of used parts. MIUI (For example, the error "This device is locked" when replacing the motherboard. Always require a warranty of at least 6 months!

How to Prevent Deformity in the Future: Prevention

If your Xiaomi has already bent, these tips won’t bring it back to its former shape – but they will help you avoid repeated problems with the new device:

• 📦 Use a hard case (like the Spigen Tough Armor or Ringke Fusion-X) to distribute the load when falling.
• 🔋 Do not charge your phone in direct sunlight – overheating the battery to 50°C deforms the body.
• 👖 Don't wear jeans in your back pocket. Sitting pressure is one of the main reasons Redmi bending and sliding. POCO.
• 🚫 Avoid wireless charging for models with a metal body (Mi 11, Xiaomi 12) – it heats the device stronger than wired.

To check the battery health, use the AccuBattery app (available on Google Play), if the capacity has dropped below 80% of the factory capacity, this is an excuse to replace the battery, even if the body is still flat.

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Xiaomi’s metal cases (like the Mi 10 or Xiaomi 13) are more bending resistant than plastic ones (Redmi 9A), but heat up more. The choice of body material is always a trade-off between strength and heat transfer.

What to do if the guarantee is still in effect?

Xiaomi’s official warranty in Russia covers only factory defects, not mechanical damage.

1. Take a photo of the defect from different angles and record a video of the phone’s operation (proof that it is turned on).
2. Don’t mention falls or pressure – say “the hull bent on its own.”
3. Contact the authorized service (list on the site) mi.com/ru/support). The chance for a free repair is about 20%, Sometimes the battery or body is replaced by "goodwill».

If they refuse, demand a written refusal with the reason, which will be useful for contacting Rospotrebnadzor (if the defect manifested itself in the first 14 days after the purchase) or for negotiations with the seller.

⚠️ Warning: If you've already tried to disassemble the phone yourself, the warranty is void. Xiaomi service centers check the integrity of warranty seals (usually they are on the screws of the case).

FAQ: Frequent questions about Xiaomi's bent smartphones