Replacement of the display on Xiaomi Redmi Note 7: a detailed guide with nuances

A cracked or broken screen on the Xiaomi Redmi Note 7 is a problem that many users face. Even if handled carefully, the display can suffer from a fall, impact or factory defect. A self-replacement screen will cost 2-3 times less than a service center, but requires accuracy and preparation. This article examines all the steps from the selection of the spare part to the final assembly, taking into account typical errors and pitfalls of a particular model.

Redmi Note 7

lavender

IPS-display

2340×1080

60 Hz

unit-module

⚠️ Critical warning: Redmi Note 7 has a glued battery with a screen through a thermal paste. If the battery plume is not neatly disconnected, you can break contacts or damage the power controller. If you are not sure of your skills, it is better to contact the service - the repair of the board will cost more than a new display.

1. Diagnosis of malfunction: is the display to blame?

Before replacing, make sure the problem is in the screen, not the motherboard or plumes.

• 🔍 Cracks or broken pixels – mechanical damage to the display module.
• 📵 The screen does not respond to touch, but the image is - the touchscreen or its plume is defective.
• 🖥️ Artifacts, stripes, flickering – possible problems with the graphics chip or connectors.
• 🔋 Phone does not turn on after falling – check whether the battery has moved away from the board.

If the smartphone is turned on, but the screen is not working, connect it to the PC through USB Check if the device is determined in ADB (If so, the problem is more likely to be a display or a plume. If not, there may be damage to the board.

⚠️ Attention: Redmi Note 7 often has "white screen syndrome" after a fall - the phone turns on, but the display remains white. 80% of the time it is a plume break between the motherboard and the screen, not damage to the module itself!

2. Display selection: original vs. copy

There are three types of screens available for the Redmi Note 7:

1. Original (OEM) — It's taken from donor devices, priced at 3,500 to 5,000. ₽. Pros: full compatibility, original colors and brightness. Cons: can have micro-damage.
2. Premium-class copies (e.g, BOE Price: 2,000 to 3,000. ₽. Pros: close to the original in quality. Cons: possible slight deviations in color reproduction.
3. Budget copies (no-name) Price: 1,000-1,500 ₽. Pros: low cost. Cons: dull colors, poor touchscreen sensitivity, possible yellow pixels.

For an accurate identification of the original display, note the marking on the back of the module. Redmi Note 7 usually has the following inscriptions:

• 🏷️ MI LCD + serial number (e.g, MI LCD 19012).
• 🏷️ Xiaomi or Redmi logo with hologram.
• 🏷️ Date of production (for example, 2019.05).

🔹 Where to buy:

• 🛒 AliExpress (sellers rated 98%+ and reviews for displays for lavender).
• 🛒 MTS Market or Connected (original spare parts with warranty).
• 🛒 Local service centers (sometimes sell used originals).

💡

Before buying, ask the seller to send a photo of the display marking and a video of the touch screen test (for example, through the Touch Screen Test app), which will help to avoid low-quality counterfeits.

3. Tools and training required

To replace the display on the Redmi Note 7, you will need:

• 🔧 Plastic blades (2-3 pieces) for dissociating the body.
• 🔧 Screwdriver. T3 and T5 (for frame screws and motherboard).
• 🔧 Hair dryer or heat tile (to soften glue).
• 🔧 Suction (to raise the screen).
• 🔧 Tweezers and multimeter (to check plumes).
• 🔧 Double-sided tape or glue B7000 (fixing).
• 🔧 Alcohol and napkins (to clean contacts).

📌 Preparation of the workplace:

1. Work on a clean table with good lighting.
2. Turn off the phone and remove it. SIM-map + memory-card.
3. Discharge the battery to 20-30% (this is safer when disconnecting the plumes).
4. Take a photo of the internal wiring of the plumes before dismantling!

Is the phone off-charging?|Is the back cover removed?|Any photos of the plumes?|Whether tools are prepared?|Is the battery discharged to 20-30%?-->

⚠️ Attention: On the Redmi Note 7, the battery plume is glued to the screen with a heat paste. If you pull the screen up without preheating, you risk tearing the plume off the board!°C) within 2-3 minutes before disassembly.

4. Step-by-step instructions for replacing the display

🔹 Step 1 Remove the back cover

Use a plastic spatula to gently tuck the lid from the bottom edge (near the connector). USB-C). On the Redmi Note 7, the lid is held on latches and glue -- don't put too much effort into it! If the lid doesn't lend itself, warm up the edges with a hairdryer.

🔹 Step 2. Shutting off the battery

When you remove the lid, you'll see a battery with a black film, and the first thing you do is unplug the battery plume (it's under a metal lid that you need to unscrew with a screwdriver). T3). Use a plastic spatula to gently lift the connector.

🔹 Step 3: Unscrewing the motherboard

Remove the metal screen (holds on 8 screws) T3) and unplug all the plumes:

• 📱 Display plume (at the top of the board).
• 🔊 Dynamics and microphone plume.
• 📶 Antenna cables (careful, they are fragile!).

The board is fixed on 4 screws -- unscrew them and gently raise the board. Don't pull it too hard, because the camera plume remains connected!

🔹 Step 4: Removing the old display

Heat the screen with a hair dryer around the perimeter (1-2 minutes). Use a suction cup to lift the display, then with plastic blades separate it from the frame. Be careful - there are plumes of the light sensor and the front camera under the screen!

🔹 Step 5: Installation of a new display

Before installing the new screen:

1. Clean the frame of the old glue with alcohol.
2. Check the integrity of the plumes on the new display.
3. Apply a thin layer of glue B7000 or bilateral tape around the perimeter of the frame.

Connect the plume of the new display to the board and gently press the screen. Make sure it sits smoothly, without skewing.

🔹 Step 6: Assembly and testing

Collect the phone in reverse order:

1. Set the motherboard and twist the screws.
2. Connect the battery plume and check the power on.
3. Close the back cover (use a new glue if necessary).

After assembly, turn on the phone and check:

• 🎨 Touch Screen Test (Touch Screen Test).
• 🖼️ Absence of broken pixels and artifacts.
• 🔊 Speaker and microphone.

(1) The density of the display plume adjacent to the socket on the board.

(2) Integrity of battery contacts (possibly the plume has departed).

3) Correct connection of antenna cables (they may block the activation).-->

5. Calibration of the new display

Even the original screen may need to be adjusted after being replaced.

🔹 Touchscreen calibration

If the touchscreen is not responding accurately:

1. Go to Settings → System → Additional → Screen Calibration.
2. Follow the instructions on the screen (usually press 5-7 points).

If you don’t have an option, use the Touchscreen Calibration app from Google Play.

🔹 Color rendering adjustment

Budget copies of displays often have a cold or yellow hue.

1. Open the Settings → Display → Color mode.
2. Choose Standard or Saturated (experiment).
3. Turn off Auto Brightness and set a comfortable level manually.

🔹 Autobrightness check

On the Redmi Note 7, the light sensor is located next to the front camera, if the screen does not adjust the brightness automatically after the change:

• Check if the sensor is covered with a protective film.
• Wash it with alcohol (possibly dust).
• Reset the screen settings to factory (Settings) → System system → Resetting settings).

6. Common mistakes and how to avoid them

🔸 Mistake 1: Damage to battery plume

How to avoid: Always turn off the battery first thing after removing the lid. If the plume breaks, it can be restored with a soldering iron (but it takes experience).

🔸 Mistake 2: Uneven screen gluing

If the screen is "walking" or moving away at the edges:

• Use a thin double-sided tape (thickness 0.1–0.2 mm).
• Press the screen evenly, starting from the center.
• Don’t use superglue – it can damage plumes!

🔸 Error 3: A broken touchscreen after replacement

Causes and solutions:

• 🔌 Bad plume contact - reconnect it.
• 🛠️ Damage to the touchscreen controller - check with a multimeter.
• 📱 Incompatible Display – Budget copies may not support multi-touch.

🔸 Error 4: Loss of network signal

If you have lost your mobile internet or Wi-Fi after the assembly, check:

• Connect antenna cables (they are thin and fall out easily).
• Integrity IMEI (Enter *#06# if you IMEI No, no, no need to re-shoot).

💡

If the phone starts to run out quickly after the display is replaced, check if the new screen is pressing on the battery, sometimes due to improper installation, the battery deforms, which leads to increased power consumption.

7. Cost of repair in the service vs. self-replacement

Prices for the replacement of the Redmi Note 7 display in service centers (June 2026):

💰 Savings: When replacing yourself, you save 1,500–3,000 ₽, If you're not sure about your skills, you should go to the service, and it's going to cost 5,000 to 8,000 to 5,000 to 8,000 to repair the board after a failed replacement. ₽.

⚖️ When a self-replacement is justified?

• ✅ You have experience in disassembling electronics.
• ✅ You have purchased an original or quality display.
• ✅ Your phone is not guaranteed (or you will lose it).

❌ When it's better not to risk?

• If the phone falls into water (risk of corrosion of the board).
• If the screen doesn’t turn on, but the phone vibrates when charging (there may be problems with the board).
• If you have never held a soldering iron or multimeter in your hands.

FAQ: Frequent questions about replacing the display