Replacement of the display on Xiaomi Redmi 4X: Complete guide with photos and tips

Should I change the screen on Redmi? 4X hand-handed?

Broken screen on Xiaomi Redmi 4X — One of the most common problems after a fall or a hit, many users are faced with the dilemma of whether to give the phone to a service center or try to replace the display themselves. The second option will cost less (the price of the module in 2026 is from 1,500 to 3,500 rubles), but requires accuracy and basic skills of working with electronics.

This model, released in 2017, is still popular today because it's reliable and low-cost to repair, but it has features: the display is glued to the frame, and the plumes are thin and brittle. If you've never taken a smartphone apart, practice on an unnecessary device or watch video disassembly before you start, and in this article we'll go through every step from selecting a spare part to calibrating a new screen.

⚠️ Critical moment: Redmi 4X It has two versions of displays - with a connector FPC 26-pin and FPC 30-pin. If you buy the wrong module, the screen will either fail or it will glitch.

What tools will be needed to replace

Without the right tools, replacing the screen will be a pain.

• 🔧 Plastic blades (2-3 (a) - for the careful smearing of the hull and the disconnection of the plumes.
• 🔨 Cross screwdriver (size) PH00 or PH0) — motherboard-mounting screw.
• 🔥 Hair dryer or heat tile – to soften the glue under the screen (temperature 60–80)°C).
• 🧲 Suction cups (2 pcs) - to remove the display after heating.
• 📏 Mediator or plastic card – to separate the screen and the case.
• 🧴 Isopropyl alcohol (90%+) — glue-residue.
• 🛡️ Gloves and safety glasses – the glass can crumble when removed.

⚠️ Warning: Do not use metal tools to tweak plumes - they are easily damaged! If you do not have experience, buy a special kit for repairing smartphones (costs about 500-800 rubles on AliExpress or in radio stores).

Also prepare your workspace: a table with good lighting, an antistatic mat (if any) and screw containers – they are easy to lose.

How to determine the display version (26-pin or 30-pin)

This is the most important step before buying a new screen. - Xiaomi Redmi 4X It was made with two types of plumes, and they're not interchangeable:

1. Turn off the phone and remove the back cover (it is held by the latches - put a spatula around the perimeter).
2. Unscrew 8 screws that attach the metal plate over the battery.
3. Carefully disconnect the battery (don't tear the plume!) and underneath it you'll see a display connector.
4. Count the number of contacts (pins) on the connector: 🔢 26 Contacts - Version FPC 26-pin. 🔢 30 contacts - version FPC 30-pin.

📌 Tip: Take a picture of the connector before buying a screen – sellers often specify the version in the description (for example, “Display for Redmi”) 4X 3/32GB 30-pin»).

⚠️ Warning: If you buy the wrong screen, it will either not turn on or work with artifacts (bands, flicker, broken touchscreen).In some cases, the wrong display can burn the power controller on the motherboard!

Step-by-step instructions for replacing the screen

Now, to the most critical stage, follow the instructions in strict order, because a missed step can cause damage to the phone.

Turn off the phone and remove the SIM- card and memory card|

Charge the battery by 30-50% (to avoid shutting down while working)|

Prepare the workplace: lighting, tools, screw containers|

Wear gloves and safety glasses (the glass may crumble)-->

Step 1: Remove the back cover and battery

1. Dry dryer the back cover around the perimeter (30 to 40 seconds) and this will soften the glue.

2. Insert a plastic blade into the gap between the lid and the body (start at the lower corner where the charging connector is). Carefully drive the blade along the body, snapping the clamps.

3. Remove the lid. Underneath it you will see the battery covered with a metal plate. Unscrew 8 screws (save them in the container!).

4. Disconnect the battery connector (use the shoulder blade, don't pull the wires!) Now you can remove the plate and the battery itself (it's glued - put a shovel in).

Step 2: Disconnect the display plumes

1. Unscrew 4 screws that fasten the metal plate over the motherboard (it closes the connectors of the plumes).

2. Carefully shovel the display connector (it is at the top of the board, next to the camera). 4X It's fixed with a latch -- lift it up, then pull the plume out.

3. Do the same with the touchscreen plume (it is thinner and located below).

⚠️ Warning: If the plume doesn't come out, don't pull it! First, check if the latch is pulled. If the plume is damaged, the touchscreen won't work, and the new display may not turn on.

Step 3: Removing the Old Screen

1. Heat the front of the phone (screen) with a hair dryer for 2-3 minutes. Keep the hair dryer at a distance of 5-7 cm so as not to overheat.

2. Stick the suction cups to the bottom and top of the screen. Pull up carefully, and if the glue has softened, the screen will start to move away.

3. Put the mediator in the gap between the screen and the frame. Slowly guide it around the perimeter, separating the display. Be careful at the plume connectors!

4. Take the screen off completely. Remove the glue residue from the frame with isopropyl alcohol.

Step 4: Install a new display

1. Remove the protective film from the new screen (if any) and make sure it doesn't have scratches or chips on it.

2. Apply a new bilateral scotch (or glue) B-7000) And don't overdo it, because the glue can get into the plumes!

3. Carefully place the new screen on the frame, combining the plume holes. Press it evenly throughout the area.

4. Connect the display and touchscreen plumes to the motherboard (first display, then touchscreen). Close the plugs.

Step 5: Assembly of the phone

1. Place the metal plate in place and twist the screws.

2. Connect the battery and check the new screen (turn on the phone). If everything works, unscrew the battery back and tape it on double-sided tape.

3. Set the back cover by snapping it around the perimeter. Heat the edge hair dryer for better glue fixation.

💡 Useful tip: If after assembly the screen flickers or does not respond to touch, check:

• 🔌 Are the sleeves properly connected (sometimes they fly off when assembled).
• 🧹 Is there any dirt or glue on the connectors.
• 🔋 Is the battery sufficiently charged (at a low charge there may be glitches).

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The main rule when changing the screen is not to rush! most damage occurs due to sudden movements or missed steps (for example, forgetting to disconnect the battery).

Calibration of the new screen and check the operability

Even if the screen is turned on, it does not mean that it works perfectly.

1. Display test: Run a video or photo with a uniform color (like a white screen: 🟡 Yellow or blue spots (backlight defect). 🔴 Vertical/horizontal bands (damage to the matrix). ⚫ Black dots (broken pixels).

Touch screen test: Pass the entire screen with your finger - all touches must be recorded without delay.Use the Touch Screen Test app (available from the Play Market).

Calibration: If the touchscreen is not working accurately (press in one place and work in another), calibrate:

1. Go to Settings. → Additionally. → Screen calibration.
2. Follow the instructions on the screen (usually press 5-7 points).
3. Checking the sensors: Make sure they work: 📱 Approximate sensor (during the call, the screen should go out). 🔦 Light sensor (automatic brightness control).

⚠️ Note: If the screen starts to consume more power after the replacement (the battery goes down in 4-5 hours), it is likely that the new display has a higher backlight brightness by default. Calibrate it manually in the settings or install an app like Lux Auto Brightness.

If you find defects, contact the display vendor within 14 days – most stores give a marriage warranty.

Frequent Mistakes and How to Avoid Them

Even experienced craftsmen sometimes make mistakes when changing screens, and here are the most common problems and ways to prevent them:

• 🔌 Train damage: Never pull the wires, only the connector! If the plume breaks, it can be replaced separately (costs 200-400 rubles).
• 🔥 Overheating of the board: Don't keep the hair dryer too close to the motherboard - it can melt the chips. Optimal temperature is 60-80°C.
• 🧲 Loss of screws: Screws at Redmi 4X You can confuse them with different parts, you can damage the board.
• 📱 Non-functioning touchscreen: Most often, this means that the touchscreen plume is not connected or damaged.
• 🔋 Phone won't turn on: Possible causes: Battery disconnected (check connector); short circuit due to glue hitting the board; Power plume damage (rare but not uncommon).

💡 Tip from the masters: If after replacing the screen works, but artifacts appeared when pressed (strips, flicker), most likely, you did not press the display against the frame hard enough. Take the phone apart and press the screen evenly, then collect back.

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Before the final assembly, take a picture of the location of all the plumes and screws, which will help to avoid errors if you have to disassemble the phone again.

Where to buy a screen for Xiaomi Redmi 4X: survey

The quality of the display has a direct impact on the outcome of the repairs, and cheap Chinese modules often have problems with color reproduction or touchscreen, and this is where you should buy parts in 2026:

🔍 How to Choose a Reliable Seller:

• 📌 Check the rating (must be at least 95%).
• 💬 Read reviews – especially pay attention to complaints about marriage.
• 📦 Choose sellers with free shipping and returns.
• 🔄 If you buy on AliExpress, take from Top Brand or Gold Supplier.

⚠️ Warning: Avoid sellers who sell displays without photos of the real product or with too low price (below 1,200 rubles.

FAQ: Answers to Frequent Questions