Replacement of the display on Xiaomi Redmi Note 4X: Detailed guide with photos and nuances

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:

  • πŸ”² Cracks or chips on the glass (even without disturbing the sensor).
  • πŸ–₯️ Vertical/horizontal bars on the screen that do not disappear after rebooting.
  • πŸ”΄ Β«Dead pixels (black or colored dots).
  • ☠️ Black screen with working backlight (visible image at an angle).
  • πŸ‘† 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.

  1. Connect your phone to charging – if a charging indicator appears, the display is partially operational.
  2. 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.
  3. Call the phone – if you hear a sound but the screen is not responding, the problem is in the display module.

⚠️ 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.

πŸ“Š What happened to your Redmi Note screen? 4X?
Cracks from falling
Stripes or artifacts
The sensor is not working.
Black screen, but the phone is switching on
Other

2. Selection of display module: original vs analogues

There are three types of screens for Redmi Note 4X:

Type of displayPrice (2026)PlusesCons
Original (OEM)3 500 β€” 5 000 β‚½100% compatibility, original colors, long service lifeHigh price, rarely available
Copy of Premium (A)+, A++)2 000 β€” 3 000 β‚½Good build quality, close to the original colorIt can be worse oleophobic coating, possible "broken" pixels
Budgetary analogue (A, A-)1 000 β€” 1 800 β‚½Low price, fast deliveryWeak lighting, distorted colors, short service life

Where to buy:

  • πŸ›’ AliExpress – Cheap, but Long Delivery (Look for rated sellers) >98%).
  • 🏬 Local service centers – originals or high-quality copies, but more expensive.
  • 🌍 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?
The original module has: - Logo Xiaomi or Tianma (machine manufacturer) on the plume. - Slice glass without barbs. - Clear marking on a flexible plume (for example, HM NOTE 4X LCD). - Oleophobic coating that doesn't wear off after the first touch: Counterfeiting often has dull colors, uneven edges and a "soapy" oleophobic coating.

3. Tools and workplace preparation required

To replace the display on the Redmi Note 4X You'll need it:

  • πŸ”§ Setting screwdrivers: T3, T4 (for the screws of the case), Phillips #00 (for the motherboard).
  • 🧲 Suction (to remove the display) or mediator (plastic shoulder blade).
  • πŸ”₯ Hair dryer or thermo-air station (for softening glue).
  • 🧴 Clay. B-7000 or LOCA UV (fixing).
  • πŸ“¦ Plastic blades (to separate plumes).
  • πŸ”‹ Tweezers (for working with small details).
  • πŸ›‘οΈ Antistatic bracelet (optional, but recommended).

Preparation of the workplace:

  1. Work on a clean desk with good lighting (it is better to use a table lamp).
  2. Cover the surface with a soft cloth (such as a microfiber) to avoid scratching the glass.
  3. Turn off the phone power and remove it. SIM-map + microSD.
  4. Take a picture of the original state of the phone (especially the location of screws and plumes).

⚠️ 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)°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:

πŸ’‘

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:

  • 🧼 Clean the seat of old glue (use isopropyl alcohol and a lilaless napkin).
  • πŸ” Check the integrity of the plumes on the new display (if there are no cracks or tears).
  • πŸ“ Make sure that the new module connectors match the old ones (especially if you bought an analogue).

Installation procedure:

  1. Connect the sensor plume to the motherboard (it is thinner than the matrix plume).
  2. Connect the display plume - it should enter the connector without effort.
  3. Put the glue on. B-7000 along the perimeter of the seat (thin layer, without surpluses).
  4. Carefully apply the display, combining the holes for screws, and press for 1-2 minutes.
  5. Turn the metal frame screws (do not pull!).
  6. Connect the battery and check the performance until full assembly.

Testing:

  • πŸ“± Turn on the phone – the Xiaomi logo should appear.
  • πŸ–οΈ Check the sensor (use the Touch Screen Test app from Play Market).
  • 🎨 Make sure the colors are displayed correctly (no greenish/blue hue).
  • πŸ”¦ Check the backlight at maximum brightness - there should be no dark spots.

⚠️ 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.

πŸ’‘

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 β‚½).

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 consequencesHow to avoid
Use of metal toolsScratches on the body, damage to plumesWork only with plastic blades
Overheating by a hairdryer (>80Β°C)Deformation of plastic, detachment of the matrixKeep the hair dryer at a distance of 5-10 cm, warm no longer than 30 seconds
Strong pressing on the display during installationCracks on the new matrix, damage to the backlightPress evenly, without distortion
Incorrect connection of plumesThe screen is not working or flickeringCheck the marking of connectors (sensor β€” TOUCH, display β€” LCD)

What to do if:

  • πŸ”„ The screen is turned on, but after 5 seconds it goes out. β†’ The problem is the backlight plume or the battery contacts.
  • 🎨 Colors distorted (greenish/blue hue) β†’ Probably a low-quality analogue. Try calibrating the screen in the settings (Settings) β†’ Display. β†’ Color mode).
  • ☠️ 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?
If you are buying a module from hand or on the market: 1. Ask the seller to connect the display to the test phone (for Redmi Note) 4X Any device with a similar connector will do. 2. Check for no broken pixels using a test image (e.g. Display Tests). 3. Make sure the sensor responds to touches across the entire area (use a stylus). 4. Light the flashlight at an angle - there should be no spots or dashes of liquid crystals.

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.

  • πŸ”Œ 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. β‚½, Replacement takes 10 minutes.
  • πŸ”‹ Battery Failure: If the phone turns off when loaded or the screen flickers, check the battery (Settings) β†’ Battery condition: 800-1,200 replacements β‚½.
  • πŸ–₯️ 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 β‚½.
  • πŸ”„ 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:

  1. Download the official firmware for your model from the Xiaomi website.
  2. Install the Mi Flash Tool on your PC.
  3. Transfer the phone to Fastboot mode (clip Volume Down + Power).
  4. Connect to the PC andfollowing instructions of the program.

⚠️ 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 repairCost (β‚½)TimelineGuarantee
Replacement of the display (original)4 500 β€” 6 0001-2 days3–6 months
Replacement of the display (analogue A)+)2 500 β€” 3 5001 day1-3 months
Replacement of the display plume800 β€” 1 20030 minutes.1 month
Diagnostics + fee repair2,0003-7 days1 month

Is it worth changing on your own?

  • βœ… Savings: Self-replacement will cost 1,500–3,000 β‚½ (with tools in mind), which is 2 times cheaper than the service.
  • βœ… Quality control: You choose the display and monitor the process.
  • ❌ Risks: If you make a mistake, you can damage the motherboard (repair will cost 5,000)+ β‚½).
  • ❌ 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.

πŸ’‘

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.

FAQ: Frequent questions about replacing the display

❓ Can you replace only the glass, not the entire display module?
Technically possible, but not recommended. - On the Redmi Note 4X glass glued to the matrix and sensor (technology) OGS), So if you replace only the glass, you're at high risk of damaging the interior layers, and the cost of doing that is comparable to replacing the entire module, and the result is often worse (bubbles, distortions, etc).
❓ Which glue is better to use to fix the display?
Best options: B-7000 β€” universal, suitable for beginners (easily removed with alcohol). LOCA UV β€” It's a professional glue that requires a UV lamp to solidify, but it's more reliable. 3M β€” It's a budget option, but it can fall off over time. Don't use superglue or silicone sealant -- they damage the plumes!
❓ When you replace it, the display works, but the sensor doesn't?
Probable causes: Sensor plume is disconnected or damaged (thin, separate from the matrix); touchscreen controller on the motherboard is damaged; incompatible display module (e.g. Air Gap is installed instead of Full Laminated); Solution: Reconnect the plume, check the integrity of the contacts; if it doesn't work, replace the plume separately or contact the service.
❓ How long does it take to replace the display?
If you have experience, 30 to 60 minutes, 1.5 to 2 hours for a beginner (including diagnostics and testing), take your time, especially when the plumes are unplugged!
❓ Can I use my phone without the back cover after changing the display?
Short term yes, but not recommended: No dust and moisture protection, risk of damage to flexible plumes when carried in your pocket, battery can detach when vibrating. If the lid is damaged, replace it (worth it). ~500 β‚½) Or use a case with a rigid body.