Xiaomi Redmi Note 4X It remains one of the most popular budget smartphones even years after its release, thanks to its robust "stuffing" and the possibility of inexpensive repairs. IPS-It's a matrix that eventually fails, with broken pixels, cracks from falls, or death strips when you get overheated, and if you're facing this kind of problem, don't rush to hand over your phone to the service, replace the screen with a Redmi Note. 4X You can save up to 70% of the cost of repairs.
In this article, we will take you through the whole process from A to Z, from choosing the original or analog display module to final testing after installation, what tools you will need, how to avoid typical errors (such as damage to the plume or disconnection of the battery contacts), and what to do if the screen does not respond to touch after replacing, and for those who have never disassembled smartphones, we have prepared step-by-step photos of key steps and video recommendations.
Important: the instructions are relevant for all modifications of the Redmi Note 4X (including versions 3/32 GB, 4/64 GB and Global ROM). If your device has other features (e.g. Redmi Note) 4 without the letter X), check the compatibility of the display module before buying - they may differ in the connectors of the plumes!
1. Diagnosis of malfunction: is the display to blame?
Before you order a new screen, make sure that the problem is in it. 4X:
- π² Cracks or chips on the glass (even without disturbing the sensor).
- π₯οΈ Vertical/horizontal bars on the screen that do not disappear after rebooting.
- π΄ Β«Dead pixels (black or colored dots).
- β οΈ Black screen with working backlight (visible image at an angle).
- π The sensor is not working (partially or completely).
If the screen doesn't turn on at all (no lights, no sounds, no vibrations), the problem may be in the display plume, motherboard or battery.
- Connect your phone to charging β if a charging indicator appears, the display is partially operational.
- Try connecting your smartphone to a PC or TV through HDMI-Adapter (type C) If there is an image, it is the screen or its plume that is to blame.
- Call the phone β if you hear a sound but the screen is not responding, the problem is in the display module.
β οΈ Warning: If the phone fell into water or was subjected to a strong vibration (for example, in a car) before the screen dies, there is a high probability of damage to the contacts on the board. In this case, replacing the display may not help - you will need a diagnosis in the service.
2. Selection of display module: original vs analogues
There are three types of screens for Redmi Note 4X:
| Type of display | Price (2026) | Pluses | Cons |
|---|---|---|---|
| Original (OEM) | 3 500 β 5 000 β½ | 100% compatibility, original colors, long service life | High price, rarely available |
| Copy of Premium (A)+, A++) | 2 000 β 3 000 β½ | Good build quality, close to the original color | It can be worse oleophobic coating, possible "broken" pixels |
| Budgetary analogue (A, A-) | 1 000 β 1 800 β½ | Low price, fast delivery | Weak lighting, distorted colors, short service life |
Where to buy:
- π AliExpress β Cheap, but Long Delivery (Look for rated sellers) >98%).
- π¬ Local service centers β originals or high-quality copies, but more expensive.
- π eBay/Amazon β rare OEM-Modules, but high price + customs.
Tip: When buying, check whether the adhesive for the display is included (usually) B-7000 or LOCA) and screwdriver T3/T4. Some vendors include them in the set for free.
How to distinguish the original display from a fake?
3. Tools and workplace preparation required
To replace the display on the Redmi Note 4X You'll need it:
- π§ Setting screwdrivers: T3, T4 (for the screws of the case), Phillips #00 (for the motherboard).
- π§² Suction (to remove the display) or mediator (plastic shoulder blade).
- π₯ Hair dryer or thermo-air station (for softening glue).
- π§΄ Clay. B-7000 or LOCA UV (fixing).
- π¦ Plastic blades (to separate plumes).
- π Tweezers (for working with small details).
- π‘οΈ Antistatic bracelet (optional, but recommended).
Preparation of the workplace:
- Work on a clean desk with good lighting (it is better to use a table lamp).
- Cover the surface with a soft cloth (such as a microfiber) to avoid scratching the glass.
- Turn off the phone power and remove it. SIM-map + microSD.
- Take a picture of the original state of the phone (especially the location of screws and plumes).
β οΈ Warning: Do not use metal blades to remove the display - they can damage the plumes or body. Also avoid overheating with a hairdryer (maximum 60-70)Β°C), otherwise the plastic frame will melt.
Turned off the phone from charging.|I took off my cover and film.|Prepared the tools.|I took a picture of the screws.|Wearing an antistatic bracelet (optional)-->
4. Step-by-step instructions for disassembling the phone
The Redmi Note Disassembly 4X It requires precision, which is the main difficulty in unplugging the display plume and removing the back cover, which is attached to the latches:
Step 1: Removing the back cover
1. heat the hair dryer edge of the body (30 seconds on each side) - this will soften the glue.
2. Insert a plastic shoulder blade into the gap between the cover and the body (start with the headphone jack).
3. Carefully swipe the perimeter with your shoulder blade, snapping the clamps. Don't force it, the lid should be removed without creaking!
Step 2: Shutting off the battery
1 Unscrew 4 screws (marked with red circles in the photo below) fixing the metal plate of the battery.
2. Put a plastic blade on the battery plume and disconnect it from the motherboard. Never pull the plume off by force, it can tear off the contact pads!
Step 3: Removal of the display module
1 Unscrew the screws that hold the metal frame of the display (usually 8-10 pieces).
2. heat the screen edge with a hair dryer (do not direct the air flow to the matrix!).
3. With a suction cup, lift the display and carefully separate it from the body using plastic shoulder blades. The display plume is glued - don't pull it!
4. disconnect the display plume and sensor plume (they are located nearby, but have different connectors).
Photos of key stages:
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If the display doesn't move away after heating, repeat the procedure with special attention to the corners - there's usually more glue there. Don't use a knife or metal tools!
5. Installation of a new display and assembly of the phone
Before installing the new screen:
- π§Ό Clean the seat of old glue (use isopropyl alcohol and a lilaless napkin).
- π Check the integrity of the plumes on the new display (if there are no cracks or tears).
- π Make sure that the new module connectors match the old ones (especially if you bought an analogue).
Installation procedure:
- Connect the sensor plume to the motherboard (it is thinner than the matrix plume).
- Connect the display plume - it should enter the connector without effort.
- Put the glue on. B-7000 along the perimeter of the seat (thin layer, without surpluses).
- Carefully apply the display, combining the holes for screws, and press for 1-2 minutes.
- Turn the metal frame screws (do not pull!).
- Connect the battery and check the performance until full assembly.
Testing:
- π± Turn on the phone β the Xiaomi logo should appear.
- ποΈ Check the sensor (use the Touch Screen Test app from Play Market).
- π¨ Make sure the colors are displayed correctly (no greenish/blue hue).
- π¦ Check the backlight at maximum brightness - there should be no dark spots.
β οΈ Attention: If after assembly the screen flickers or turns off on its own, check: - Density of the adhesive plumes (possibly they are not fully included in the connectors). - Integrity of contacts on the motherboard (sometimes when removing the display, tracks break off). - The quality of glue - if B-7000 You're on the contacts, clean them with alcohol.
π‘
If the display works after the replacement, but the sensor does not, the problem is the touchscreen plume. Try reconnecting it or replacing the plume separately (stands). ~500 β½).
6. Common mistakes and how to avoid them
Even experienced wizards sometimes make mistakes when replacing the display with a Redmi Note. 4X. Here are the most common:
| Mistake. | Effects of consequences | How to avoid |
|---|---|---|
| Use of metal tools | Scratches on the body, damage to plumes | Work only with plastic blades |
| Overheating by a hairdryer (>80Β°C) | Deformation of plastic, detachment of the matrix | Keep the hair dryer at a distance of 5-10 cm, warm no longer than 30 seconds |
| Strong pressing on the display during installation | Cracks on the new matrix, damage to the backlight | Press evenly, without distortion |
| Incorrect connection of plumes | The screen is not working or flickering | Check the marking of connectors (sensor β TOUCH, display β LCD) |
What to do if:
- π The screen is turned on, but after 5 seconds it goes out. β The problem is the backlight plume or the battery contacts.
- π¨ Colors distorted (greenish/blue hue) β Probably a low-quality analogue. Try calibrating the screen in the settings (Settings) β Display. β Color mode).
- β οΈ The phone will not turn on after assembly. β Check the battery and power plume connection, and if it doesn't work, it may be a motherboard that's damaged.
How to check the display before buying?
7. Alternative repair methods (if replacement did not help)
If there are problems after the display is replaced, it may be that the fault lies in another component.
- π Train problem: Often, when you fall, it's not the matrix itself that's damaged, but the flexible plume that connects it to the motherboard. The cost of a new plume is 300 times the cost of a new one. β½, Replacement takes 10 minutes.
- π Battery Failure: If the phone turns off when loaded or the screen flickers, check the battery (Settings) β Battery condition: 800-1,200 replacements β½.
- π₯οΈ Motherboard problems: If the screen doesn't turn on at all and the phone vibrates when charging, the display controller on the board may have been damaged. Service repairs - from 2,000 β½.
- π Firmware failure: Rarely, but it happens that after replacing the display, the phone does not turn on due to driver conflict).
How to Switch Redmi Note 4X display-problem:
- Download the official firmware for your model from the Xiaomi website.
- Install the Mi Flash Tool on your PC.
- Transfer the phone to Fastboot mode (clip Volume Down + Power).
- Connect to the PC andfollowing instructions of the program.
β οΈ Note: If the screen is still not working after firmware, but the phone is defined by the PC as Qualcomm 9008, this is a sign of a hardware malfunction (for example, a memory chip dump.
8. Cost of repair in the service vs self-replacement
Prices for the replacement of the Redmi Note display 4X in services (2026):
| Type of repair | Cost (β½) | Timeline | Guarantee |
|---|---|---|---|
| Replacement of the display (original) | 4 500 β 6 000 | 1-2 days | 3β6 months |
| Replacement of the display (analogue A)+) | 2 500 β 3 500 | 1 day | 1-3 months |
| Replacement of the display plume | 800 β 1 200 | 30 minutes. | 1 month |
| Diagnostics + fee repair | 2,000 | 3-7 days | 1 month |
Is it worth changing on your own?
- β Savings: Self-replacement will cost 1,500β3,000 β½ (with tools in mind), which is 2 times cheaper than the service.
- β Quality control: You choose the display and monitor the process.
- β Risks: If you make a mistake, you can damage the motherboard (repair will cost 5,000)+ β½).
- β Warranty: When you repair yourself, you lose the warranty (if it was).
When is the best time to contact the service:
- If the phone hits the water (risk of corrosion of the board).
- If after the display was replaced, artifacts appeared on the screen (possibly a problem in the graphics chip).
- If you have never taken your smartphone apart and are afraid of damaging small parts.
π‘
Self-replacement of the display on the Redmi Note 4X It's justified if you're confident in your skills and ready for the risks.