Replacement of the screen on Xiaomi Redmi Note 7: a complete guide with photos and nuances

Xiaomi Redmi Note 7 remains one of the most popular smartphones in the budget segment even years after the release — thanks to reliable “filling” and affordable price. However, its main vulnerability is the display, which often suffers from falls, bumps or factory defects. If the screen appears cracks, broken pixels or sensor no longer respond to touch, do not rush to carry the phone into the service: you can replace the screen yourself, saving up to 70% of the cost of repair.

In this article, you will find detailed instructions for replacing the screen with the Redmi Note 7, taking into account all the pitfalls: from the choice of the original or analog display to the final testing. We'll figure out what tools you'll need, how to turn off the battery properly so you don't burn the board, and what to do if the touchscreen or backlight doesn't work after the replacement, and also unique data on the compatibility of screens from different manufacturers (BOE, Tianma, Samsung, which you will not find in standard manuals.

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

Before you order a new display, make sure that the problem is in it.

• 🔧 Cracks or broken glass – even if the sensor is working, shrapnel can damage hands or internal components.
• 📵 Part of the touchscreen (or all) does not respond – often associated with damage to the plume or matrix.
• 🖥️ Artifacts in the image: stripes, flickering, broken pixels - a sign of a matrix or graphics chip malfunction.
• 🔦 There is no backlight, but the image is barely visible from an angle - the problem is in the LED-lighting.

If the screen is completely black and shows no signs of life, check:

1. Connect your phone to charging – whether the charging indicator (light bulb or battery icon) appears.
2. Connect to a PC – is the device detected in Device Manager (as Qualcomm) HS-USB QDLoader 9008 or MediaTek Preloader).
3. Try to boot into Recovery mode (shut down Power). + Loudness up).

⚠️ Warning: If the phone doesn't turn on at all (no vibration, no sounds, no charging response), the problem may be the power card or battery!

2. Selection of a new screen: original vs analogues

Redmi Note 7 was installed displays from three manufacturers: BOE, Tianma and Samsung, which are different in color reproduction, brightness and compatibility:

Where to buy:

• 🛒 Original screens: AliExpress (sellers rated 98%+), Mercado, Official Xiaomi Distributors.
• 🔧 Analogues: local service centers, Avito, Yula (check reviews!).
• ⚠️ Avoid unlabeled and suspiciously low-priced screens – they often come with a marital plume or matrix.

Important: If you replace the screen with a non-original one, you may need to run the touchscreen through Fastboot or specialized software (for example, QFil for Qualcomm), without which the sensor may not work correctly or not respond to touch.

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Before buying, ask the seller to send a photo of the screen plume and markings on the matrix - this will help to avoid counterfeiting.

3. Necessary Tools: What to Buy in Advance

To replace the screen with the Redmi Note 7, you'll need a dedicated toolkit. Don't skimp on quality, cheap plastic blades can break and damage the plumes.

• 🔧 Screwdriver kit: cross-haired PH00, flat 1.5 mm, torso T3 and T5.
• 📱 Plastic blades (mediators) - 2-3 pieces. thickness 0.2-0.4 mm.
• 🔥 Dryer or thermo-air station (power 300-500 W) for softening the glue.
• 🧲 Suction cup (diameter 5-7 cm) for screen removal.
• 🔌 Tweezers (curved and straight) for working with plumes.
• 🛡️ Protective gloves and glasses – glass fragments can hurt!
• 🔋 External battery (Power Bank) 5V/2A for screen testing before assembly.

Also prepare:

• 📦 New bilateral scotch (e.g, 3M 9448A Tesa 61395) for screen fixing.
• 🧴 Isopropyl alcohol (90%+) scavenge.
• 📝 Scotch or stickers for marking plumes and screws.

Backup of data (if the phone is turned on)|Charge the battery by 50% (for testing)|Buy a new screen with verified markings|Prepare the workplace (clean table, good lighting)|Turn off the phone and remove it SIM-map-->

4. Step-by-step instruction: disassembly and replacement of the screen

The screen replacement process for the Redmi Note 7 consists of 5 key steps. Follow the instructions strictly in order to avoid damage to the board or plumes.

Step 1: Shutting off power and removing the back cover

Before disassembling, be sure to turn off the battery, otherwise you risk closing the fee:

1. Turn off the phone and remove the tray for SIM-map.
2. Heat the back cover around the perimeter with a hair dryer (temperature 60-70)°C) for 2-3 minutes.
3. Tap the lid with a plastic spatula, starting at the bottom corner (near the connector). USB-C).
4. Carefully remove the cover, holding it - underneath it are the plumes of the fingerprint scanner and antenna.

Step 2: Shutting off the battery

If you accidentally close the contacts of the battery, the board can burn.

1. Unscrew 4 screws fixing the metal plate over the battery (screws) T3).
2. Disconnect the battery connector with a plastic spatula (not metal!).
3. For reliability, seal the battery connector with tape to prevent accidental connection.

Step 3: Removing the Old Screen

The screen of Redmi Note 7 is glued around the perimeter, so it must be carefully separated without damaging the plumes:

1. Heat the screen edge with a hair dryer (temperature 80)°C) for 3-5 minutes.
2. Suction lift the screen from the bottom edge (where located) USB-C).
3. Insert a plastic blade into the resulting gap and slowly lead it around the perimeter, separating the glue.
4. Once the screen is separated, carefully place it with the front side down - it is still connected by a plume of the display and touch screen!

Step 4: Turn off the plumes and install a new screen

Now you need to transfer all the components from the old screen to the new one:

1. Unscrew the metal plate covering the plumes (screws) T5).
2. Unplug the connectors: 📺 Display plume (wide, 30 contacts). 👆 Touchscreen plume (narrow, 16 contacts). 🔊 Speaker and microphone plume (if glued to the screen frame).
3. Take it off the old screen: 📞 Dynamic (stick on bilateral scotch). 🎤 Microphone (located next to the connector) USB-C). 🔦 Notification LED (if installed).

double-sided scotch

Step 5: Connecting and Testing

Before the final assembly, be sure to test the new screen:

1. Connect the plumes to the board (first the display, then the touchscreen).
2. Connect the battery and turn on the phone (or connect to Power Bank).
3. Check it out: 🖥️ Image (whether there are broken pixels, stripes). 👆 Touchscreen (responds to touches all over the screen). 🔊 Sound (does the speaker work). 📶 Sensors (lighting, approximation).

If everything works, turn off the battery and glue the screen to a new scotch.

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If the touchscreen doesn't work after connecting the new screen, you probably need the controller firmware, you need QFil or Mi Flash software and firmware for your matrix model.

5. Frequent mistakes and how to avoid them

Even experienced craftsmen sometimes make mistakes when replacing the screen with a Redmi Note 7. TOP-5 problems and ways of solving them:

How to flash the touchscreen on Redmi Note 7:

1. Download the firmware for your matrix (for example, BOE_NT36672A.img).
2. Install Qualcomm drivers and QFil program.
3. Connect the phone in mode EDL (lock the test points on the board).
4. In QFil, select a firmware file and click Download.

⚠️ Warning: If after changing the screen the phone stopped charging, check the connector USB-C — It's easy to damage when you take it off, and often the problem is solved by replacing the connector. ~500 ₽).

6.Prevention: How to prolong the life of a new screen

To make the new screen on Redmi Note 7 last longer, follow these tips:

• 🛡️ Stick the protective glass on the first day after replacement - the glue on the new screen is not yet completely hardened.
• 📦 Use a case with reinforced angles - 90% of cracks appear when falling by a corner.
• 🔋 Do not charge your phone in the cold (below) +5°C) - this reduces the elasticity of the glue.
• 🚫 Avoid screen pressure (do not put your phone in the back pocket of your pants).
• 💧 Do not use alcohol wipes for cleaning – they destroy the oleophobic coating.

If the screen does crash, don't delay replacement: glass shards can damage the plumes, and repairs can cost more, and the average screen life after replacement is 2-3 years if used carefully.

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After changing the screen, calibrate the battery: completely discharge the phone, then charge to 100% without interruption, which will help restore the correct charge count.

FAQ: Answers to Frequent Questions