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

Xiaomi Redmi Note 7 is still popular even years after its release — reliable “stuffing” and affordable price make it popular in the secondary market. But the most vulnerable point of the model is the display module, which often suffers from falls or sloppy handling. Cracks, broken pixels, broken touchscreen — all these problems are solved by replacing the screen. However, not every service center takes on repairing budget smartphones at an adequate price, and the cost of the original display in official workshops can reach 70% of the cost of the device itself.

In this article, we will discuss how to replace the screen on the Redmi Note 7 without specialized skills, but with all the technical nuances. You will learn what tools you need, how to choose a quality display (and not run into a fake), and also avoid the typical errors that cause the new screen to fail in a week, special attention will be paid to calibrating the sensor after replacement, this step is often missed, which leads to a “floating” touch or idle gestures.

If you've never taken a smartphone apart, don't worry: the Redmi Note 7 is a device with medium disassembly complexity, it's about accuracy and patience, and for those who are questioning their own abilities, we've prepared a checklist with critical points to consider before starting work.

1. Diagnosis of malfunction: is the screen really to blame?

Before you order a new display, make sure that the problem is in it.Symptoms of a Redmi Note 7 screen breakage can be divided into three categories:

• 🔍 Mechanical damage: cracks, chips, broken glass. It's obvious here, the screen needs to be replaced.
• 📵 Touchscreen problems: the sensor doesn't respond to touch, it clicks on its own, the gestures work over and over again, and it could be because of the plume or the controller, not because of the display itself.
• 🖥️ Image artifacts: broken pixels, stripes, flickering, lack of backlighting. Sometimes it's not the screen that's to blame, it's the graphics chip or firmware.

To avoid software failures, follow the following steps:

1. Connect your smartphone to your computer USB and check if the screen is displayed on the PC through modes MTP or ADB (Use the Adb shell screencap command -p /sdcard/screen.png). If there is an image, the problem is in the display or plume.
2. Hold the Loud up. + Power for 10 seconds to force a reboot, sometimes helping with the screen hanging.
3. Try connecting an external monitor through USB-C → HDMI If there's an image, it's the display module.

⚠️ Warning: If the smartphone doesn't turn on after the fall (no vibration, charging indication), the problem may be in the battery or motherboard!

2. Selection of a new screen: original vs. analogues

There are three types of displays available on the market for the Redmi Note 7:

When choosing, pay attention to the following details:

• 🔧 Type of connector: the screen must be compatible with the Redmi Note 7 (lavender!
• 🎨 Color Temperature: The original screen has 6500K. Cheap analogues are often "cold" or "yellow».
• 🔄 Availability of a frame: some displays come with a sticker frame, others without it.
• 🛠️ Warranty: Reliable sellers give you a 3-month warranty, and without it, the risk of getting married is too high.

Where to buy it?

The best options are proven spare parts stores for Xiaomi:

• AliExpress (stores with a rating above 98% and reviews in the photo)
• eBay (filter by location "China")
• Local service centers (sometimes sold) OEM-spare parts from the warehouse)

⚠️ Note: If the seller claims the screen is “original” but the price is below 4,000 ₽ — The original Redmi Note 7 displays are no longer produced in large quantities, so their cost remains high.

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Before buying, ask the seller to send a photo of the display from the back - the original module must be marked with Tianma or BOE (screen manufacturers for Xiaomi).

3. Tools and training required

To replace the screen, you will need the following set:

Get a new display (check compatibility!)

Plastic blades (2-3 piece) for disassembly

Screwdriver. T3 and T5 (magnetic)

Dryer or thermo-air station (for softening the glue)

Screen suction cup (diameter 5-7 cm)

Thin-ended tweezers

Double-sided tape or glue B-7000 (fixate)

Insulation or paint tape (for marking plumes)

Alcohol and napkins without pile (for cleaning)

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Also prepare the workplace:

• 🪑 Work at a table with good lighting.
• 🧲 Remove all metal objects – they can stick to magnetic screwdrivers.
• 📱 Discharge the battery before 20-30% — This will reduce the risk of fire in case of accidental closure.
• 🔌 Turn off the smartphone from the network and take it out. SIM-memory-card.

If you don’t have any experience in disassembling, practice on an old, unnecessary smartphone or watch the Redmi Note 7 demo guides on YouTube.

• How to properly tuck the screen so as not to damage the plumes.
• Where the hull latches are.
• How to disconnect the battery (this is critical for safety!)

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

We're going to start disassembling. Follow the instructions in strict order.

Step 1: Removing the back cover

On the Redmi Note 7, the lid is mounted on the latches and glue to remove it.

1. Heat the edge of the body with a hair dryer (temperature) ~60°C) during 2-3 It'll soften the glue.
2. Insert a plastic blade into the gap between the lid and the case (start at the bottom edge where the USB-C connector is).
3. Carefully drive the shoulder blade around the perimeter, snapping the clamps. Don't force it, the lid should come off without creaking.

Step 2: Shutting off the battery

It's a must-do! Even if the smartphone is turned off, there's still a voltage on the board.

1. Find the battery plume – it is located at the bottom of the board, under metal protection.
2. Unplug the protective tape and gently attach the connector with a plastic spatula.
3. Secure the connector with a tape so that it does not touch the contacts.

Step 3: Disconnect the screen plumes

The display and touchscreen plumes are located under the metal cover at the top of the board.

1. Unscrew 4 screws of the mounting of the cover (screwdriver) T3).
2. Remove the lid and disconnect both plumes (they are fixed with latches - lift them up).
3. Mark the plumes with tape, so as not to confuse when reassembling.

Step 4: Removing the Old Screen

You can now remove the broken display:

1. Heat the front panel with a hairdryer (especially at the edges) - this will soften the glue.
2. With a suction cup, lift the screen from one edge and gently pull up.
3. If the screen fails, warm up the glue again and try again.

Step 5: Install a new screen

Before installing the new display:

• Clean the frame of the smartphone from the remnants of old glue with alcohol.
• Remove the screen from the new screen (if any).
• Apply a thin layer of glue B-7000 around the frame perimeter or use bilateral scotch.
• Carefully press the new screen, starting at the top, and make sure it sits smoothly, without skewing.

Step 6: Reverse Assembly

Collect the device in reverse order:

1. Connect the display and touchscreen plumes (check to lock the latches).
2. Set a metal cover in place and twist the screws.
3. Put the battery on.
4. Secure the back cover starting at the top (click carefully to avoid breaking the plastic).

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Once assembled, don't turn on your smartphone right away! Let the glue grab for a while 10-15 minutes, otherwise the screen may move away at the edges.

Calibration of the new screen and check of performance

After replacing the Redmi Note 7 display, you may need to calibrate the touchscreen if:

• 📱 Touches are not registered where you click.
• 🔄 Gestures (such as swipe) work over and over again.
• ⚡ Sensor reacts with delay.

For calibration:

1. Download the Touchscreen Calibration app from Google Play.
2. Run the test and follow the instructions on the screen (usually click on a few dots).
3. If the application does not help, reset settings through Settings → System system → Reset settings (select Reset all settings, but not Delete data»).

Also check:

• 🔦 Backlight: whether there are dark spots or uneven glow.
• 🎨 Color rendering: Compare it to another device (for example, open a white background and check if there is yellowness).
• 🔊 The speaker: sometimes when changing the screen accidentally touch the plume of the upper speaker.

⚠️ Attention: If the screen flashes or spontaneously turns off after replacement, check the density of the plumes. Often the problem is solved by reconnecting the connectors.

6. Common mistakes and how to avoid them

Even experienced craftsmen sometimes make mistakes when replacing the Redmi Note 7 screen.

A few more tips:

• 🔧 If the screws don't twist, don't push! You may have missed a rubber pad or skewed the lid.
• 📦 Keep all the small parts (screws, gaskets) in a separate box so that nothing is lost.
• 🕒 Take your time. Average screen replacement time for a beginner — 1.5-2 hour.

1. Is the battery plume connected?

2. whether the plumes of the screen sit correctly (sometimes they fall out during assembly).

3. Are the contacts closed on the board (check for foreign objects).-->

7.Substitution cost in service vs. self-repair

Prices for Redmi Note 7 screen replacements at service centers vary by region and type of display:

Self-repair is beneficial if:

• 💰 You have a limited budget.
• 🔧 You are willing to take risks (there is a chance to damage the fee on the first replacement).
• 🕒 You need a smartphone urgently (don’t want to wait a week for service).

Please contact the service if:

• 🛡️ You need a job security.
• 🔬 You have no tools or experience.
• 📱 The problem isn’t just the screen (for example, the camera or speaker doesn’t work after a fall).

8. Frequently Asked Questions (FAQ)