Replacement of the display on Xiaomi Redmi S2: Detailed guide with photos and nuances

Cracked or broken screen on Xiaomi Redmi S2 — The problem many owners of this budget smartphone face.The model released in the 2018 It is still popular due to its balanced characteristics, but its display with a resolution. 720×1440 pixels and diagonals 5.99 The inch is vulnerable to mechanical damage, and the service center will take the replacement from the 2 500 before 4 000 RUB (depending on the region), while self-repair will cost in 1 200–2 000 RUB when buying an original or high-quality analogue.

But replacing the display yourself is not an easy task, and it's important to consider not only the fine detail skills, but also the nuances of the particular model: the glued battery, the brittle plumes, and the touchscreen attachment features. In this article, we'll look at the entire process from selecting a spare part to testing after repair, and how to avoid the typical errors that lead to loss of touch sensitivity or damage to the motherboard.

If you've never disassembled smartphones, we recommend you practice on a non-working device first or watch video disassemblies.Redmi S2 — not the most complex machine for repair, but not the simplest: its design involves working with double-sided tape and delicate connectors.

Before you start, evaluate your strength: if you are not sure of success, it is better to consult the professionals. 80% of cases of unsuccessful self-replacement of the display with Redmi S2 the cause is damage to the plume of the touchscreen or separation of battery contacts.

1. What tools will be needed to replace

For disassembly Xiaomi Redmi S2 And if you install a new display, you'll need a specialized set of tools, and without them, the risk of damaging your smartphone increases dramatically:

• 🔧 Plastic blades (mediators) - for gently tweaking the body and disconnecting the display module!
• ⚙️ Cross screwdriver (PH00 or PH0) — You can't use a screwdriver to twist the back cover, because you can't use a screwdriver to rip the slats off.
• 🔥 Dryer or heat tile - to soften the glue that the display is glued to the frame. Optimal temperature: 60-80°C.
• 🧲 Magnetic mat or organizer - so as not to lose small screws and parts. S2 over 15 pieces.
• 🔌 Tweezers with curved ends - for working with plumes and connectors.
• 📱 Suction cup for displays - will help to gently raise the screen after heating.
• 🔋 Insulation or capton tape - to isolate the contacts of the battery after disconnection.

Also, prepare a new display module (more on this in the next section) and an alcohol wipe to clean the contacts. If you don't have soldering experience, take a spare plume of the touchscreen - it often breaks when you sloppy disconnect.

Don't skimp on tools: cheap plastic blades can break inside the case, and a poor-quality screwdriver can tear the screws. On average, a full set will cost 500-1000 rubles, but it will be enough for dozens of repairs.

2.How to choose a display for Xiaomi Redmi S2: original vs analog

The quality of the display module not only affects the appearance, but also the performance of the touchscreen, color reproduction and even the autonomy of the smartphone. S2:

1. Original (OEM) Display - removed from other devices or manufactured in the factory Xiaomi. Guarantees 100% compatibility, but is expensive: 2000-2 800 rubles.
2. Quality analogue (A)+) — It is produced by third parties, but according to the original specifications. Price: 1,200-1,800 rubles.
3. Budget analogue (Copy) — cheap Chinese modules for 600-1000 rubles. Often have problems with touchscreen, backlight or autobrightness.

We recommend choosing between the original and the class A analogue.+. Budget copies can save money, but in the long run will bring more problems: from screen flickering to complete sensor inoperability.

When buying, pay attention to:

• 📦 Packaging – the original comes in a box with the Xiaomi logo and protective film.
• 🔍 Labeling of the plume – there should be an inscription on the back of the module MDSS_DSI (for Redmi S2).
• 🎨 Color rendering – ask the seller to send a photo of the working display (must be absent yellowness or divorces).
• 🔄 Guarantee – reliable sellers give at least 3 months on the analogue and 6-12 months on the original.

Where to buy:

• AliExpress is cheaper, but a long wait (2-4 weeks) and look for sellers with a rating above 98%.
• Local parts stores are more expensive, but you can check the module before buying.
• Avito/Yula – the risk of running into a used display with hidden defects.

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Before buying, check whether the display comes with adhesive tape for the frame. If not, buy it separately (costs about 100 rubles).

3.The step-by-step dismantling of Xiaomi Redmi S2

Disassembling a smartphone is the most critical step, and a mistake here can lead to damage to the plumes, break off the battery contacts, or even failure of the motherboard.

Step 1: Turn off your smartphone and remove it. SIM-map.

• Press the power button and select Turn it off.
• Use a paper clip to extract the tray SIM-map (located on the left end of the card).

Step 2: Heat the back cover.

• Turn on the dryer at medium power and evenly warm the back panel for 2-3 minutes.
• Temperature should be 60-80.°C – if you overheat, you can damage the battery.

Step 3: Remove the back cover.

• Insert the plastic shoulder blade into the gap between the lid and the frame (start with the lower right corner).
• Carefully drive the shoulder blade around the perimeter, snapping the latches. S2 12 of them - take your time!

Step 4: Turn off the battery.

• Put a plastic blade on the battery connector and disconnect it. ⚠️ Attention: If you do not turn off the battery, during further disassembly, a short circuit may occur!
• Close the connector with tape so that you do not accidentally close the contacts.

Step 5: Unscrew the motherboard screws.

• At Redmi. S2 15 screws of varying lengths. Remember their location or take a picture!
• Use a screwdriver. PH00 — screws are very small and easily break off.

Step 6: Disconnect the display plumes.

• Carefully tuck the latches of the display connectors and touchscreen (they are under the metal screen).
• Don’t pull the plumes – they are fragile!

Battery's off.|Screws photographed|Heated front panel|Plastic blades on hand-->

Now you can start removing the old display. If the glue is too strong, reheat the screen with a hairdryer (no more than 1 minute).

4.Removing the old display and preparing to install a new one

Old display in Xiaomi Redmi S2 It's glued to a double-sided, high-strength tape, and it takes patience and precision to remove it:

Step 1: Warm up the display.

• Heat the screen with a hair dryer for 1-2 minutes, evenly driving on the surface.
• Temperature should be 70-80.°C – if you overheat, you can damage the liquid crystal layer.

Step 2: Put the suction on the display.

• Stick the suction cup to the bottom of the screen (where the Home button is).
• Pull up carefully - there should be a gap.

Step 3: Insert the shoulder blade and cut the glue.

• Move the plastic blade along the frame, cutting the glue. Don't push too hard!
• The corners are usually thicker – pay special attention to them.

Step 4: Remove the glue residue.

• After removing the display, clean the frame from the old glue with an alcohol napkin.
• Do not use acetone or solvents – they can damage plastic!

Now prepare a new display:

• Remove the protective film from the inside of the module.
• Check the integrity of the plumes – they should not be bent or torn.
• If the kit is adhesive tape, glue it around the perimeter of the frame.

5. Installation of a new display and assembly of a smartphone

Installing a new module is a reverse process, but with some nuances, and it's important not only to gently connect the plumes, but also to make sure that the display fits tightly to the frame without gaps.

Step 1: Connect the plumes.

• First connect the plume of the touchscreen (upper connector), then the display (lower).
• Make sure the latches are fixed – they must click.

Step 2: Check your performance.

• Connect the battery and turn on the smartphone (without collecting it completely!).
• Check it out: 🎨 Whether the image is displayed (no artifacts, broken pixels). 👆 Does the touchscreen work (take the test in Settings) → The phone. → All parameters. → Sensor test). 🔦 Is the brightness regulated (auto-brightness should work).

Step 3: Close the display.

• If you use a new adhesive tape, remove the protective layer from it and press the display tightly.
• If there is no glue, apply bilateral tape evenly. 3M (0.1–0.15 mm thick).

Step 4: Build a smartphone.

• Set the motherboard in place and twist the screws (watch their length!).
• Connect the battery and check again for performance.
• Close the back cover, starting at the top corner (there is a Wi-Fi antenna).

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If the touchscreen doesn't work properly after assembly (e.g., registers "ghost" touches), it's likely that the plume is not tightly connected. Take the smartphone apart and check the connectors.

6. Common mistakes and how to avoid them

Even experienced masters sometimes make mistakes when replacing the display with Xiaomi Redmi S2. We have collected the most common problems and ways to solve them:

A few more tips to help avoid problems:

• 🔋 Do not turn on your smartphone without a battery – this can lead to a firmware failure.
• 🧲 Store screws in a magnetic organizer - if you confuse them in places, gaps in the case may appear.
• 🌡️ Do not overheat the display - maximum temperature of the hair dryer is 80°C. When overheating, the matrix may become cloudy.

⚠️ Warning: If the smartphone starts to warm up or discharge rapidly after the display is replaced, the battery plume or power contacts are likely damaged!

7. Testing after display replacement

After the smartphone is built, you need to conduct a full test to make sure that all systems work correctly.

Visual inspection:

• Make sure there are no gaps between the display and the frame.
• Check the uniformity of the light (whether there are dark spots in the corners).

Display test:

• Run the video on YouTube – there should be no artifacts or flickering.
• Check the brightness: go to the dark room and back.

3. Touchscreen test:

• Open the Settings. → The phone. → All parameters. → Sensor test.
• Swipe your finger all over the screen, all the dots should be triggered.

Sensor test:

• Check the proximity sensor (the screen should go out during the call).
• Make sure the gyroscope and accelerometer work (e.g. in a game or Sensor Test app).

Communication and sound test:

• Call your smartphone and check the microphone and speaker.
• Connect to Wi-Fi and mobile network – there should be no signal problems.

If everything is working correctly, congratulations -- you've successfully replaced the display! If you have any problems, take your smartphone apart and check the plumes.

8. Should you change the display yourself or contact the service?

The decision to make a self-repair depends on your experience, the tools you have and your willingness to take risks. Let's compare the pros and cons of both options:

Self-replacement is justified if:

• You have experience in disassembling equipment.
• You are willing to spend time studying the process.
• You are buying a quality part (original or analogue A).+).

It is worth contacting the service if:

• You’ve never repaired your smartphones.
• You need a job security.
• You are not sure about the quality of the purchased parts.

If you decide to repair yourself, we advise you to first watch the video disassembly Xiaomi Redmi. S2 YouTube (for example, from Repair Universe or Fixez channels) to help visually understand the process.

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Even if you successfully replaced the display, remember: Xiaomi Redmi S2 — budget smartphone with fragile design. After repair, avoid falls and heavy presses on the screen, so as not to repeat the situation.

FAQ: Frequent questions about replacing the display with Xiaomi Redmi S2