Replacement of the screen on Xiaomi Redmi Note 4: a complete guide with photos and tips

Why does the Redmi Note 4 screen need to be replaced and what to do?

The Xiaomi Redmi Note 4 screen is one of the most vulnerable parts of the smartphone. Even after a minor fall on asphalt or hitting a hard surface, the matrix can become covered with a web of cracks, and the sensor can stop responding to touch. In 80% of cases, such damage is irreversible: neither the film nor the glass replacement will return full functionality. The only way out is to completely replace the display module, which includes a sensor, a matrix and backlights.

But before you jump into battle, you have to assess the scale of the problem, because if you have colored stripes, flickering artifacts, or black spots without physical damage, it might not be the matrix, it might be the plume or the motherboard, and then changing the screen won't help. Also important to consider the version of the Redmi Note 4: models on the processor MediaTek Helio X20 (MTK) The Qualcomm Snapdragon 625 has different screens and cannot be replaced by one another!

The cost of replacement in the service center varies from 3,500 to 7000 rubles (depending on the region and the originality of the spare part). Self-repair will cost less - 1,800-4000 rubles, but it will require care and patience. If you have never dismantled smartphones, start by watching video disassembly and preparing tools.

What tools will you need to replace the screen?

To replace the Redmi Note 4 display module, you'll need a dedicated toolkit, and without it, the risk of damaging plumes, boards, or new screens increases dramatically.

• 🔧 Plastic blades / mediators (2-3 pcs) - for careful slashing of the case and disconnection of plumes.
• 🔨 The screwdriver. PH00 — for the rear cover screws (normal) PH0 won't fit!).
• 🔥 Hair dryer or thermal air station - for softening the glue around the perimeter of the screen (temperature 60-80)°C).
• 🧲 Screen suction cup – helps to evenly raise the display after heating.
• 📏 Tweezers with curved ends - for working with small plumes and connectors.
• 🔌 Multimeter or tester (optional) – to check the integrity of the plumes after replacement.

Also, prepare a new display module. It is important not to go wrong with the choice:

Warning: Cheap screen copies often have poor color reproduction, no oleophobic coating, and short lifespan. If you care about quality, take the original or certified counterpart (e.g., from Tianma or Tianma). BOE).

⚠️ Warning: Do not use metal blades to tweak the screen - they can damage the plumes or the matrix itself.

How to Disassemble Redmi Note 4?

Disassembly of the smartphone is the most important step, a mistake here can lead to a break in the plumes or damage to the motherboard.

1. Turn off the phone and remove it. SIM-- Don't touch the battery just yet!
2. Heat the screen with a hair dryer around the perimeter for 2-3 minutes. Keep the hair dryer at a distance of 5-7 cm, so as not to overheat the matrix.
3. Put a suction cup on the bottom edge (near the Home button) if it doesn't, warm up again.
4. Carefully swipe the plastic blade along the side faces, separating the screen from the body. Don't push too hard - there may be latches inside!

Once the screen has separated, don't take it off completely, it's still connected to the board with two plumes (the display and the sensor).

• 🛠️ Unscrew 4 screws fixing the metal plate over the plumes (they are under the cross screwdriver). PH00).
• 🔌 Carefully put the connectors of the plumes in a plastic blade and disconnect them!
• 📱 Now you can take the screen completely off and put it aside.

Next, you need to disconnect the battery to avoid short circuits during further operation:

1. Unscrew 2 screws holding the plate over the battery connector.
2. Disconnect the battery plume with a plastic spatula.
3. Tap the battery with a mediator (it is glued) and carefully remove it.

Display plume|Sensor plume|Battery connector|SIM cards and memory card-->

⚠️ Warning: If the phone accidentally turns on after the battery is turned off (for example, due to the closure of contacts), immediately disconnect the battery again!

Installation of a new screen: nuances and typical errors

Now that the old screen is off, you can start installing a new one.

1. Check the new module for performance before installation. Connect the plumes to the board (without screws!) and briefly connect the battery. If the screen does not light up or the sensor does not work, the module is defective.
2. Clean the seat of old glue residues. Use isopropyl alcohol and a lilac-free wipe. Don't use acetone, it can damage plastic parts!
3. Apply new glue. Better use double-sided scotch. 3M liquid-glue B-7000. Apply a thin layer around the perimeter, retreating 1-2 mm from the edges (so that the glue does not fall on the matrix).

When installing the screen, make sure that:

• 🔄 The plumes did not twist or clamped between the case and the screen.
• 📱 The home button (if physical) has hit its nest.
• 🔌 Connectors of the plumes sat tightly - sometimes they "bounce" when fixed with a metal plate.

After installing the screen, perform the test:

1. Make sure there are no color distortions (e.g., pink instead of white).

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

What if the screen doesn’t work after replacement?

If the new display fails to turn on or malfunctions, don't panic. 90% of the time, the problem is solvable. Here are the most common causes and ways to fix them:

If you are sure everything is connected correctly, but the screen is still not working, try resetting the settings via Recovery:

1. Press Volume Up + Power before the Mi logo appears.

⚠️ Warning: Reset will delete all data from your phone!If you don't have Mi Account sync enabled, important files will be lost.

How much does it cost to replace the screen in vs. on your own?

The price of a Redmi Note 4 screen replacement depends on several factors: originality of the spare part, region and complexity of the work.

If you decide to repair your phone yourself, consider the hidden costs:

• 🛒 Buying tools (if they are not available) — ~1 000–1 500 ₽.
• 🔄 Possible replacement of plumes (if you damage during disassembly) — ~300–800 ₽ piecewise.
• 🔋 Risk of damage to the motherboard (in this case, repairs will cost 5,000–10,000) ₽).

The best way to do this is to order the original screen and change it yourself if you already have experience disassembling the equipment, and for beginners, the best option is a service center with a guarantee.

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Savings on parts often result in re-repairs, and the original screen will last 2-3 times longer than a copy, even if it costs more.

Where to buy a quality screen for Redmi Note 4?

When buying a display module, the main thing is to avoid counterfeiting and defects.

• 🛒 Xiaomi Official Dealers (e.g. Mi Store) – Guaranteed original parts, but price above the market.

When choosing a screen, pay attention to:

• 📝 The article should match your model (MDG6005101 for MTK or MDG6005102 for Qualcomm).
• 🖼️ The presence of oleophobic coating - without it, the screen will quickly get dirty.
• 🔦 Brightness of backlight – cheap copies it is often lower than the original by 20-30%.
• 📦 Set - in the box should be fasteners and adhesive tape.

Before buying, check with the seller:

1. Is there a screen warranty (at least 3 months)?
2. Is the module suitable for your version of Redmi Note 4 (MTK qualcomm).
3. Can I return if the screen is broken?

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Before you buy, ask the seller to send a picture of the screen in working condition (connected to the test device), which will help to avoid marriage.

FAQ: Answers to Frequent Questions about Screen Replacement