Replacement of the screen with Xiaomi Poco X3: Full instructions with photos and tips

Xiaomi Poco X3 — It's a popular smartphone with a great price-performance ratio, but its screen is vulnerable to falls and mechanical damage. If the display has cracks, broken pixels or the sensor has stopped responding to touch, do not rush to carry the phone to the service center. With the right approach, you can replace the screen yourself, saving up to 70% of the cost of repair. In this article, we will discuss the entire process from the selection of a spare part to the final assembly - taking into account the nuances of a particular Poco model. X3 (codename).

It's important to understand that changing the screen isn't just about physically installing a new panel. X3 It's glued together with a touchscreen and a frame, and underneath it, there are plumes and sensors, and failures in disassembly can cause flexible cables to break, sensor failure, or even motherboard failure. We will tell you how to avoid typical problems, such as damage to the battery connector or improper connection of the display plume, which often cause a “brick” after self-repair.

This article is relevant for all modifications of Poco X3:

• 📱 Poco X3 NFC (model M2007J20CG)
• 📱 Poco X3 Pro (model) M2102J20SG — requires a different screen!)
• 📱 Poco X3 GT (It is not compatible with the original screen. X3)

If you have Poco X3 pro X3 GT, instruction will not fit – these models have a different architecture of the display module.

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

Before ordering a spare part, make sure that the problem is in the display. X3 The symptoms of a screen breakdown can be confused with software failures or damage to other components:

• 🔧 Physical damage: cracks, broken glass, drips of liquid crystal liquid (glossy stains under glass).
• 📵 Sensor not working: part of the screen or the entire touchscreen does not respond to touch (check Settings) → Special opportunities → Touching → Sensor test).
• 🖥️ Image artifacts: vertical/horizontal stripes, broken pixels, flickering or “snow” on display.
• 🔋 The screen doesn’t turn on, but the phone vibrates when charging or connecting to a PC (notifications sound heard).

If the screen is completely black, but the phone is showing signs of life (sounds, vibrations), check first:

1. Get Poco on. X3 30 minutes charging – the battery may have gone down and the display is not turned on due to a critical discharge.
2. Connect the phone to the computer through USB. If the PC identifies the device (for example, Qualcomm appears in Device Manager). HS-USB QDLoader 9008, the problem is more likely in the display or plume.
3. Try a hard reset: pinch the power + Volume up for 10 to 15 seconds, if the screen flashes the logo POCO, But then it goes out - the fault of the display module.

⚠️ Warning: If the phone is not responding to charging, is not detected by the computer and does not vibrate, the problem may be in the motherboard or battery.

2.Selecting a screen for Poco X3: original vs. analogues

There are three types of screens for Poco on the market X3:

For Poco. X3 It's critical to choose a screen with the right plume connector. DSJM1906-0601 or DSJM1906-0602 (supplant NFC). Make sure that the product description is:

• 📋 Compatibility with Poco X3 (Surya - not to be confused with Poco X3 pro X3 GT!

Critical nuance: at Poco X3 The screen is assembled with a touchscreen and a frame. Buying glass separately (only the top layer) is useless - it can not be unstuck without damaging the display module.

⚠️ Note: Redmi Note 9 Pro screens are similar but not compatible with Poco X3 due to different plumes and the location of the holes under the sensors!

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Check the seller's reviews before you buy, often selling low-quality copies under the guise of "original" screens, and look at photos of real customers showing the module's serial number.

3. Necessary tools for screen replacement

For Poco's disassembly X3 And you'll need a specialized tool to replace the display, and don't try to do it by hand, because it will damage the body or the plumes:

• 🔧 Screwdriver kit: Cross PH00 (for the screws of the body) Pentalobe P2 (for bottom cover) Flat 1.5 mm (for plume slashing)
• 📱 Plastic blades / mediators (2-3 pieces) for screen separation.
• 🔥 Dryer or thermo-air station (power 300-500 W) for softening the glue.
• 🧲 Magnetic mat or organizer for screws (in Poco) X3 ~20 screws of different lengths!).
• 🔌 Suction cup (diameter 5-7 cm) for screen removal.
• 🧴 Isopropyl alcohol (90%+) glue-cleaner.
• 🔗 New bilateral scotch (e.g, 3M 9448A Tesa 61395) for screen fixing.
• 🔋 Battery sucker (optional, for safe shutdown of the battery).

Also prepare the workplace:

• 🪑 Clean table with good lighting (better to use a table lamp).
• 🧹 Wormless wipe for cleaning parts.
• 📦 Containers for sorting screws (you can use an ice tray).

Backup of data (in case of error)

Charge your phone at least 50% (for testing after assembly)

Prepare all tools and spare parts

Take it off. SIM-memory-card

Work with gloves (optional, so as not to leave fingerprints on the display)-->

Important: Screws in Poco X3 They're different lengths, and if you mix them up, you can damage the motherboard, and we recommend that you group them up or take pictures of them before you disassemble them.

4. Step-by-step instructions for disassembling Poco X3

Poco's disassembly X3 It requires care, with many brittle plumes and flexible cables inside, and follow the instructions in strict order to avoid damaging the components.

Step 1: Turn off and prepare the phone

Before the disassembly:

1. Turn off the phone (click the power and select Turn off).
2. Remove the tray for SIM-cards (use a paper clip or special key).
3. Heat the back cover with a hair dryer (a temperature of ~60°C) for 2-3 minutes to soften the glue.

Step 2: Removal of the back cover

Carefully tuck the lid with a plastic spatula, starting at the bottom edge (near the connector). USB-C). Use a suction cup for convenience, and be careful, there are fingerprint plumes underneath the lid. NFC-antennas (in the model with NFC).

After the lid is removed:

• Disconnect the fingerprint scanner plume (gently slap the connector with a flat screwdriver).
• Unscrew 10 screws that fix the metal plate (use a magnetic screwdriver to avoid losing the screws).

Step 3: Shutting off the battery

This is the most critical stage! If you don't turn off the battery, you can short circuit when you manipulate the plumes.

1. Put the battery connector with a flat screwdriver (it is located at the top of the board, next to the camera).
2. Use a plastic shoulder blade to gently lift the plume.
3. Check with a multimeter that there is no voltage on the contacts of the battery (optional, but recommended).

Step 4: Removing the Old Screen

Now you need to separate the display module from the body:

1. Heat the screen edge with a hair dryer (temperature) ~70°C) for 3-5 minutes, move the hair dryer evenly so as not to overheat one area.
2. Insert a plastic spatula between the screen and the frame (start with the lower right corner).
3. Carefully drive the shoulder blade around the perimeter, separating the glue. If the screen is stuck, heat the problem area again.
4. After the glue is separated, raise the screen (you can use a suction cup) and put it aside.

Under the screen you'll see:

• 🔌 Display plume (center, under metal protection).
• 🔌 The plume of the touch screen (nearly, but separately!).
• 📡 Antenna contacts (do not touch them with metal tools!).

Step 5: Turn off the screen plumes

Remove the metal plate covering the plumes (it is attached to 4 screws).

1. Carefully tuck the display connector (it is wide, 30 contacts).
2. Disconnect the touchscreen plume (already, 10-12 contacts).
3. Check if there are any small screws or latches left under the plumes.

⚠️ Warning: Don't pull the plumes by the wires -- just take the hard part of the connector! Damage to the flexible cable will cause the sensor or display to fail.

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On Poco. X3 The touchscreen plume and the display are separated, but they go in the same module. If the sensor does not work after the replacement, check the connection of a thin plume (it often falls out when assembly).

5. Installation of a new screen and assembly of the phone

Before installing a new screen, clean the case of residues of old glue. Use isopropyl alcohol and a lilac-free wipe. Do not use acetone or solvents - they can damage plastic parts!

Step 1: Prepare a new screen

If you bought a screen without a frame, first stick it:

1. Remove the protective film from the bilateral tape on the frame.
2. Carefully apply the frame to the new screen, combining the holes under the speaker and sensors.
3. Press the frame around the perimeter (you can use a roller or a dull edge of the screwdriver).

If the screen is pre-stick framed, check:

• 🔍 Are the holes combined for the front camera and speaker.
• 🔍 Is there a protective film on the inside (it must be removed before installation!).

Step 2: Connecting the plumes

Carefully connect the plumes to the motherboard:

1. First, connect the touchscreen plume (thin, 10-12 contacts).
2. Then - the display plume (wide, 30 contacts).
3. Make sure the connectors sit before clicking (a characteristic sound should be heard).

After connection:

• 🔌 Install the metal plate back (twistle 4 screws).
• 🔋 Connect the battery (for 5 seconds) and turn on the phone to check the screen performance.

If the screen is not turned on or there are artifacts:

• 🔹 Check if the sleeves are sitting tight (click carefully on them).
• 🔹 Make sure the connectors are not bent or damaged.
• 🔹 Try reconnecting the battery.

Step 3: Screen fixation

If the test is successful, turn off the battery and lock the screen:

1. Make sure that the screen is evenly distributed glue (if you use new Scotch).
2. Carefully attach the screen to the body, combining all the holes.
3. Press the screen at the edges (you can use a heavy book or a special press).
4. Heat the screen edge with a hair dryer (~50°C) for better adhesion of glue.

Step. 4:Finalassemblage

Collect the phone in reverse order:

1. Connect the fingerprint scanner plume and NFC-antenna (if any).
2. Install the back cover (heat it with a hair dryer for better fixation).
3. Twirl all screws (pay attention to the length - long ones go to the bottom of the body!).
4. Put the tray in SIM-map.

After assembly:

• 🔋 Charge your phone 100% and check all features: Touching all over the screen (use the sensor test in the settings); Brightness and colors (compare with another device); speaker and front camera; fingerprint scanner; and NFC (if).

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If after replacement the screen flickers or spontaneously changes brightness, check the autobrightness settings in Settings → Display. → Automatic brightness. Sometimes the light sensor calibrations get confused.

6. Common mistakes and how to avoid them

Even with a neat screen change to Poco X3 You can make mistakes that lead to new problems, and these are the most common ones and the ways to prevent them:

A few other things that are often forgotten:

• 🔊 Speaker and microphone: On Poco X3 The speaker and microphone are located at the top of the screen. If the sound is quieter or wheezing after the change, check if the holes are covered with glue or a frame.
• 📶 NFC and fingerprint scanner: In the Poco model X3 NFC The fingerprint scanner plume goes through the screen module. If the fingerprint unlock doesn't work after the replacement, check if this plume is connected.
• 🔄 Autobrightness: Cheap screen copies often have problems with the light sensor. If the brightness spontaneously changes, turn off autobrightness in the settings.

Critical: If the screen is working after the replacement, but the phone is not turning on (vibrates, but there is no image), the battery plume or connector on the board is likely damaged, in which case a multimeter diagnosis is required.

7.The cost of repair: comparison with the service center

Replacement of the screen with Poco X3 The service center will cost 3,000-6,000 ₽ This is a comparison table of costs for self-repairing:

However, consider the hidden costs:

• 🕒 Time: Self-replacement will take 1.5-3 hours (in the service - 30-60 minutes).
• 🔧 Risks: If you make a mistake, you can damage the fee (repair costs 5,000–10,000) ₽).
• 📦 Warranty: The service center gives a guarantee of 3-6 months, with self-repair – only on the screen (if you bought with a guarantee).

Self-repair is beneficial if:

• 🔧 You already have the tools.
• 📱 You buy a screen with a guarantee (you can return it if it turns out to be defective).
• 💡 You are confident in your skills (or willing to take risks).

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If you’ve never taken down a smartphone, consider Poco. X3 Savings of 1,000 to 2,000 ₽ You don’t have to risk losing your phone because of a damaged charge.

8. Frequent Questions (FAQ)