Replacing the screen on Xiaomi Redmi Note 7: prices, instructions and display selection

Smartphone Xiaomi Redmi Note 7 remains popular even years after its release - reliable hardware, a good camera and an affordable price made it a favorite among budget gadgets. But like any touchscreen device, it is vulnerable to drops, bumps, and cracks. If your The display stopped responding to touches, appeared colored stripes or dead pixelsMost likely the screen needs to be replaced.

In this article we will analyze all repair methods: from self-replacement with step-by-step instructions to choosing a service center. You will find out why the original display for Redmi Note 7 with art. MB-N7-DISPLAY costs 2–3 times more than analogues, but will last longer, how to distinguish a fake from a quality spare part and what to do if the touchscreen does not work after replacement. And also - current prices for repairs in 2026 and answers to frequently asked questions.

Signs of a screen failure: when do you need a replacement?

A crack in the glass does not always mean that the display module has failed. Sometimes the problem lies in the cable, controller, or even firmware. Before you run for a new screen, check the symptoms:

• 🔧 Physical damage: cracks, chips, broken glass (even if there is an image, the risk of cuts and dust getting inside is high).
• 🎨 Artifacts on the screen: Flickering streaks, dead pixels, blurry areas or “spots” (often indicated by damaged sensor).
• 👆 Touchscreen doesn't work: the screen responds partially to touches or does not respond at all (the problem may be in the touch layer or cable).
• 🔥 Backlight does not turn on: There is an image, but the screen is dark (the LED lamps may have burned out or the inverter may be damaged).

If the smartphone fell into the water, symptoms may not appear immediately. Oxidation of contacts on a cable or board leads to screen flickering or spontaneous touches. In this case, replacing the display may not help - diagnostics of the motherboard is required.

⚠️ Attention: If after falling the screen turns on but the image is distorted (for example, half the screen is occupied by green bars), do not rush to change the display. The reason may be damaged graphics chip on the board - in this case, repairs will cost more than a new phone.

How much does it cost to replace the screen on Xiaomi Redmi Note 7 in 2026?

The repair price depends on the display type, region and service center status. The table below shows current prices for Moscow, St. Petersburg and the regions (including work and spare parts).

Please note: cheap analogues often have poor color rendering, uneven illumination or incorrect sensor operation. For example, after replacement it may scroll the screen by yourself or gestures not working.

How to choose a replacement screen: original vs analogues

The main question during repairs is which display to buy. Original spare parts guaranteed 100% compatibility, but are expensive. Analogues save the budget, but can let you down. Let's look at the pros and cons of each option.

1. Original screen (OEM)

• ✅ Perfect color rendering and brightness (like a new phone).
• ✅ No problems with touchscreen — gestures and multi-touch work flawlessly.
• ✅ Long service life (original matrices rarely fail).
• ❌ High price - often exceeds the cost of a used phone.
• ❌ Difficult to find — official services order spare parts to order.

2. Premium analogues (BOE, Tianma)

• ✅ Price is 30–50% lower original with similar quality.
• ✅ Good compatibility - For most users, the difference is not noticeable.
• ❌ There may be minor errors: Slightly dim lighting or uneven colors.
• ❌ Guarantee only from trusted sellers.

3. Budget analogues (No-Name)

• ✅ Lowest price - sometimes cheaper than repairs at a service center.
• ❌ Poor color rendering (shades may be unnatural).
• ❌ Unstable touchscreen — “phantom” touches are possible.
• ❌ Short service life — after 6–12 months, dead pixels may appear.

Advice: If you choose an analogue, pay attention to matrix article number. For Redmi Note 7 displays with markings are suitable DSJN7, BOE NT36672A or Tianma TMFT7003. Avoid screens that do not indicate the manufacturer - this is a sure sign of a fake.

Step-by-step instructions: how to change the screen yourself

Replacing the screen with Xiaomi Redmi Note 7 - a task of medium complexity. Will be required patience, accuracy and a minimum set of tools. If you have never disassembled smartphones, it is better to contact the service. But if you decide to try it, follow the instructions.

Required Tools

• 🔧 Plastic picks (for disassembling the case).
• 🔨 Screwdriver T3 and T5 (for screws).
• 🔥 Hair dryer or hot air station (to soften the glue).
• 🧲 Screen suction cup.
• 📦 New display (tested for functionality).
• 🧴 Isopropyl alcohol (for cleaning contacts).

Step 1: Removing the back cover

Housing Redmi Note 7 It's glued together, so you'll have to heat it up. Turn the hairdryer on minimum temperature (60–70°C) and heat the edges of the phone evenly for 2-3 minutes. Then carefully pry the cover with a plastic pick, starting from the bottom corner (where the charging connector is).

Important: Do not use metal tools as they may scratch or damage the antenna contacts under the cover.

Step 2: Disconnecting the Battery

After removing the cover, the first thing to do is disconnect the battery cable (it is located at the top of the board, under the black protective tape). To do this:

1. Gently pry the tape up with your fingernail or a plastic spatula.
2. Using a T3 screwdriver, unscrew the screw securing the connector.
3. Lift the connector up (do not pull the wires!).

⚠️ Attention: If you do not disconnect the battery before use, risk of short circuit if you accidentally touch the board with a metal tool! This may damage the motherboard.

Step 3: Removing the Old Screen

Screen Redmi Note 7 Attaches with double-sided tape and latches. To remove it:

1. Warm up the front panel with a hairdryer (especially around the edges).
2. Use a suction cup to lift the screen from the bottom (where the button is Home).
3. Carefully run a plastic pick around the perimeter, separating the display from the body.
4. Disconnect the screen cables (they are secured with latches - lift them up).

Attention to cables! There are three of them:

• 📺 Display cable (wide, in the center).
• 👆 Touchscreen cable (thin, right).
• 🔋 Light sensor cable (small, left).

Step 4: Installing a New Screen

Before installing a new display:

1. Clean the contacts on the board and cables isopropyl alcohol.
2. Remove the protective film from the new screen (if applicable).
3. Connect the cables in the reverse order (first the sensor, then the touchscreen, then the display).
4. Secure the latches on the cables.
5. Place the screen in the grooves of the case and press it (the glue has already been applied to the new display).

After assembly, turn on the phone and check:

• 🎨 Is the backlight working (are there any dark spots).
• 👆 Does the touchscreen respond to touches?
• 📏 Are there any gaps between the screen and the body.

Common mistakes when replacing a screen and how to avoid them

Even experienced craftsmen sometimes make mistakes that lead to re-repair or phone failure. Here are the most common mistakes and ways to prevent them:

1. Damage to cables

Loops Redmi Note 7 thin and fragile. If they bend or pull hard, the contacts may peel off. How to avoid:

• Do not pull on the cables - only grab the connectors.
• Use tweezers with silicone tips.
• Before disconnecting the loop unscrew the fixing screw (if any).

2. Poor screen fixation

If the screen didn't stick evenly, over time, gaps will appear, and dust will accumulate under the glass. Solution:

• Before installing a new display clean the case of old glue alcohol.
• Press the screen evenly over the entire area (you can use a heavy book).
• If the glue is weak, use 3M double sided tape for additional fixation.

3. The touchscreen does not work after replacement

If there is an image, but the sensor does not respond, the problem may be:

• 🔌 Poor contact of the touchscreen cable - check if it is inserted all the way.
• 🛠️ Incompatible display - budget analogues may not support multi-touch.
• 📱 Firmware failure - sometimes a reset or flashing is required.

4. Screen flickers or goes blank

Causes of flickering:

• 💡 Poor contact of the backlight cable — check the connector on the board.
• 🔋 Weak battery - if the phone turns off under load, replace the battery.
• 🛠️ Matrix defect - especially relevant for cheap analogues.

Where is it better to change the screen: service vs self-repair

The choice between service and self-replacement depends on your experience, budget and risks. Let's look at the pros and cons of each option.

1. Xiaomi official service

• ✅ Warranty 6–12 months for work and spare parts.
• ✅ Original parts (but the price is higher than in unofficial workshops).
• ✅ Diagnostics before repair (check to see if the board is damaged).
• ❌ Long repair period (sometimes up to 2 weeks due to waiting for spare parts).
• ❌ High cost — the original screen + work will cost 8,000–10,000 rubles.

2. Unofficial service centers

• ✅ Price is 20–30% lowerthan in official services.
• ✅ Quick repair (often 1–2 hours in advance).
• ✅ Flexible approach — You can bring your own screen for replacement.
• ❌ Risk of running into unscrupulous craftsmen (they use cheap spare parts).
• ❌ Warranty not always respected.

3. Self-replacement

• ✅ Saving money — only the cost of spare parts (from 1,500 ₽).
• ✅ Experience and new skills.
• ❌ Risk of damaging your phone (for example, tear off the cable or short circuit the board).
• ❌ No guarantee - if something goes wrong, repairs will cost more.

Advice: If you choose a service, read reviews on Yandex.Maps or 2GIS. Pay attention to the “before/after” photos in the workshop’s portfolio. A good sign is if the service provides a guarantee from 6 months and works with original spare parts.

What should I do if the screen does not work after replacement?

You replaced the display, but the phone won't turn on, screen black or touchscreen does not respond? Don't panic - in 80% of cases the problem is solvable. Let's look at typical situations.

1. The phone does not turn on

Possible reasons:

• 🔌 Battery not connected — check the battery cable.
• 🛠️ Short circuit - if the board was touched with a metal tool during assembly.
• 📱 Firmware failure — sometimes after disconnecting the battery the phone “forgets” the screen settings.

What to do:

1. Disassemble the phone and check all connectors.
2. Connect the charger - if the charging light is on, the problem is with the display.
3. If your phone vibrates when you turn it on, but the screen is black, it may be backlight cable is damaged.

2. The screen turns on, but there is no image

Reasons:

• 📺 The display cable is not connected.
• 💥 Backlight burnt out (there is an image, but it is not visible).
• 🛠️ Matrix marriage (especially with cheap analogues).

Diagnostics:

• Shine a flashlight on the screen - if a faint image is visible, the problem is in the backlight.
• Check if the notification light is on - if so, then the phone is working and the problem is with the display.

3. The touchscreen does not respond or does not work correctly

Most often to blame:

• 🔌 Poor contact of the touchscreen cable.
• 📱 Incompatible display (for example, for Redmi Note 7 Pro instead of the usual Note 7).
• 🛠️ The touchscreen controller is damaged on the board.

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FAQ: answers to frequently asked questions