Replacement of the screen on Xiaomi Redmi Note 9 Pro: a complete guide with photos and videos

Xiaomi Redmi Note 9 Pro is one of the most popular mid-range smartphones, but even it is not immune to falls and mechanical damage.Cracked or broken screen is a problem that many owners face. The service center will charge from 3,000 to 6,000 rubles to replace the display module, but with the tools and patience you can save by performing the repair yourself.

In this article, we will go through the process in detail, from selecting a new screen to final testing, learn what tools you will need, how to avoid the typical errors when disassembling the Redmi Note 9 Pro, and what to do if the touchscreen does not work or artifacts appear in the image, and compare the original and non-original displays so you can make an informed choice.

Warning: Repair requires care and attention to detail, and if you've never taken a smartphone apart, practice on an old device or watch video instructions before you start work. Ready? Let's get started!

1. Diagnostics of the problem: do you really need a new screen?

Before ordering parts, make sure that the problem is in the display.

• 🔧 Cracks or broken glass – even if the touchscreen works, shrapnel can damage hands or internal components.
• 🖥️ Black screen with working backlight (sounds, vibrations, but no image).
• 🎨 Artifacts: stripes, flickering, distorted colors - a sign of damage to the matrix or plume.
• ☠️ The sensor does not work (partially or completely) if the flashing and resetting did not help.

If the screen is not turned on at all, check:

1. Charging the battery (plug the charger for 30 minutes).
2. The ability of the smartphone through ADB or PC connection (should be defined as a device).
3. Integrity of the display plume (when disassembling).

⚠️ Warning: If the smartphone fell into the water or was subjected to a strong vibration, the problem may be in the motherboard, not in the screen.

For accurate diagnosis, connect the Redmi Note 9 Pro to an external monitor via the USB-C → HDMI Adapter (if supported) If there is an image on the outside screen and there is no image on the phone, the display needs to be replaced.

2.Selection of a new screen: original vs. non-original

The quality of the display module depends not only on the image, but also on the durability of the repair. M2003J6A1G or M2003J6B1G) Three types of screens are available:

When choosing, pay attention to:

• 📦 Package: The set should have a screen + duct tape + Screwdriver (sometimes sold separately).
• 🔄 Compatibility: Refine the model of the smartphone (Note 9 Pro or Note) 9S — They have different screens!).
• 🔍 Search for sellers with a rating above 95% and photos of real buyers.

⚠️ Note: Screens for Redmi Note 9 Pro and Note 9S They're identical but they have different plume connectors! M2003J6A1G (Pro) or M2003J6B1G (9S).

Critical: If you buy a screen with AliExpress, choose options marked "100% Tested" or "No Dead Pixel." Cheap copies often come with a defect that is only noticeable after installation.

3. Screen replacement tools

To disassemble the Redmi Note 9 Pro and install a new display, you will need:

Screen suction cup (preferably 2 pcs)

Plastic blades (mediator) — 2-3 piece.

Cross screwdriver PH00 (magnetic)

Tweezers with curved ends

Thermophen or hair dryer (power from 1500 W)

Isopropyl alcohol (90%+)

Double-sided Scotch or B-7000 glue

Antistatic bracelet (optional, but recommended)-->

Where to buy it?

• 🛒 Repair kits (e.g. iFixit Pro Tech Toolkit) – from 1,500 ₽ on AliExpress or electronics stores.
• 🔧 Individual tools: suction cups and mediators are sold in hardware stores (stand for) 100-300 ₽).
• 🔥 Thermophen can be replaced with a powerful hair dryer (maximum temperature) + hub-head).

Preparation of the workplace:

1. Work on a clean table with good lighting.
2. Use an antistatic mat or at least don’t wear wool clothing.
3. Remove metal jewelry (rings, bracelets) from your hands.
4. Prepare small containers for screws (a magnetic substrate can be used).

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Before disassembling, take a photo of each step on the phone - this will help to properly assemble the smartphone back if you forget the location of the parts.

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

Redmi Note Disassembly Process 9 Pro takes over 1-2 Follow the instructions carefully so as not to damage the plumes or battery.

Step 1: Turn off and prepare the smartphone

Turn off your phone completely. If the screen is broken and doesn't respond to touch, hold the power button. 10-15 slug-off.

Step 2: Heating the glue around the perimeter

Turn the thermophen on the temperature. 80-90°C and evenly warm the edges of the screen during 2-3 Keep the hair dryer at a distance. 5-7 So, the goal is to soften the glue that the display has glued to the body.

Step 3: Separating the screen from the body

Place the suction cup at the bottom of the screen (above the connector) USB-C) And pull it up a little bit, put a plastic mediator in the gap, and gently swipe it around the perimeter, separate the display, and don't use metal tools, because they can damage the plumes!

If the screen fails:

• 🔥 Warm up the problem area again.
• 💪 Increase the effort on the sucker (but don't overdo it).
• 🔧 Check if there are any undetached areas of glue left.

Step 4: Disabling the display plume

Once the screen is separated, you'll see a metal plate covering the plume. Carefully unscrew the 4 screws (save them!) and remove the plate. Then tweezer the plume connector (it's fixed by the latch) and disconnect it.

Important: Don't pull the plume, it's fragile! Hold on to the connector.

Step 5: Install a new screen

Move to the new display:

• 📱 Touch button (if it is separate).
• 🔊 Speaker and microphone (stick to the screen frame).
• 📶 Antenna contacts (thin metal strips at the edges).

Connect the new screen plume to the motherboard and lock it with a cog plate. Before final assembly, check the health:

1. Connect the charging - the charging indicator should appear.
2. Hold the power button – the screen should turn on.
3. Check the sensor (swipe your finger across the screen).

Step 6: Screen gluing

Apply a thin layer of glue B-7000 Or double-sided tape around the perimeter of the case, and carefully apply the screen starting at the bottom and press it on the perimeter. 1-2 Make sure there's no gaps.

After assembly, check:

• 🔋 Charging (connect the cable).
• 🎵 Sound (speaker and microphone).
• 📶 Network (SIM card must be defined).

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If the screen does not turn on after replacing, check: 1) the correct connection of the plume; 2) the integrity of the contacts on the motherboard; 3) battery power. In 80% of cases, the problem is poor contact of the plume.

5. Common Mistakes and How to Avoid Them

Even experienced craftsmen sometimes make mistakes when changing screens, and here are the most common problems and solutions.

Other possible problems:

• 🔋 Fast battery discharge – if the battery or its contacts were damaged during assembly.
• 📶 Bad signal network – did not move antenna contacts or damaged them.
• 🔥 Smartphone overheating – too much glue or poor thermal conductivity of the new screen.

⚠️ Note: If the screen is working after the replacement, but there are "broken" pixels (permanent burning points), this is a matrix defect.

If you have a problem that is not in the table, try:

1. Reboot the smartphone.
2. Reset the settings to factory (Settings → About phone → Reset settings).
3. Check the integrity of the plumes again.

6. Alternative repair methods

If replacing the screen seems too difficult, consider alternatives:

Contacting the service center

The cost of replacement in official Xiaomi services:

• 🏢 Official SC: 4,000 - 6,000 ₽ (spare-part).
• 🔧 Local workshops: 2,500 - 4,000 ₽ (spare-free).

Pros:

• ✅ Work guarantee (usually) 3-6 months).
• ✅ Quickly (1-2 hour).
• ✅ Less risk of damaging your phone.

Use of an external monitor

If the screen crashes, but the smartphone is working, you can connect it to an external display through:

• 🖥️ USB-C → HDMI adapter (about 1,000) ₽).
• 📺 Miracast (wireless transmission to TV).

This is a temporary solution, but will allow you to use the phone until repairs are made.

Buying a used smartphone

If repairs cost more than 50 percent of the cost of the Redmi Note 9 Pro, it makes sense to consider buying a supported device.The Note 9 Pro is in good condition for 8,000 to 12,000 on the secondary market. ₽.

7.Caring for a new screen: how to extend its life

To make the new display last longer:

• 🛡️ Put the protective glass on the first day after replacement.
• 🧴 Use a cover with shock-absorbing angles.
• 🚫 Avoid: Keeping a phone with keys in one pocket.Using at lower temperatures -10°C or higher +40°C. Pressing on the screen (for example, when you put the phone down with the display).

To clean the screen:

• Use a microfiber wipe and isopropyl alcohol (70%).
• Do not use abrasives or paper wipes.

If the screen starts to "glutch" (spontaneous pressing, getting stuck), try:

1. Clear the cache (Settings → Memory → Clear the cache).
2. Calibrate the sensor using the engineering menu (#6484##).
3. Update the firmware to the latest version.

FAQ: Frequent questions about screen replacement