Replacement of the display on Xiaomi Redmi 6A: Complete guide with photos and tips

Screen cracks, broken pixels or a completely dead display are typical Xiaomi Redmi problems. 6A Many users find that replacing the screen at the service center is too expensive, especially for a budget smartphone of 2018. However, with the right approach, self-replacement of the display costs 2-3 times cheaper, and takes no more than an hour.

In this article, you will find a step-by-step photo instruction, a list of tools you need, criteria for choosing a new module, and unique tips to help avoid typical errors, and we will also discuss why sensor or backlight problems may occur after a replacement, and how to fix them. If you’ve never taken a smartphone apart, don’t worry: Redmi 6A structurally simpler than many modern models, and with accuracy, even a beginner can cope with the task.

Before you start, evaluate your strength: if you have shaking hands or do not have patience for painstaking work, it is better to entrust the repair to the professionals.

When to replace the display, and when to do the repair

Not every screen problem requires a complete module replacement, sometimes it is enough to re-sweat the plume, clean the contacts or replace individual components, and here are the key signs to help determine the extent of the damage:

• 🔍 Cracks on the glass without disturbing the sensor – if the display responds to touch, and the image is not distorted, you can limit yourself to replacing the glass (but this is more difficult than replacing the entire module).
• 💡 Dead pixels or bands – if they appear after falling, most likely damaged itself OLED-A matrix or a plume. We need a complete replacement.
• ☠️ The screen does not turn on, but the phone vibrates / sounds are - a classic symptom of a plume break or a failure of the display module.
• 🔄 Spontaneous taps or “ghost” touches are often the fault of a faulty sensor, but sometimes reconnecting the plume helps.

If you notice that the Redmi screen 6A If you start to flicker when you heat up or you get rainbow spots, you might have a problem with the backlight controller on the motherboard, and if you change the display, you don't need to diagnose the board.

⚠️ Warning: If the phone stops turning on after the fall (no vibration, no charging indication), don't be quick to blame the screen. Check the battery and power connector first - often the problem lies there.

What Display Module to Choose for Redmi 6A: original vs analogue

There are three types of modules for Xiaomi Redmi 6A (code — M1804C3DG):

1. Original (OEM) — Pros: 100% compatibility, original colors and brightness Cons: high price (from 3000) ₽) and the risk of buying used with hidden defects.
2. High quality copies (A)+) — They are manufactured in the same factories as the originals, but without the Xiaomi logo.Price: 1500-2500 ₽. Quality is close to the original, but color reproduction may differ.
3. Budget copies (A-/B) — cheap (800–1200 ₽), but with the risk of poor sensor sensitivity, dim backlight or rapid failure.

For Redmi. 6A It's critical to choose a module with the right plume connector. 30-pin (not 20-pin, Like some other Redmis, you can also check the presence of the:

• 🔧 Adhesive base – if it is not, you will have to buy bilateral Scotch separately.
• 📱 Bezel – some modules are sold without it, which will make installation more difficult.
• 🔄 Guarantees – Reliable sellers give at least 3 months.

Critical moment: for Redmi 6A Only modules with the marking "For" are suitable C3DG" or "For Redmi" 6A". Modules from Redmi 6/6 Pros are not compatible due to different plume connectors!

Replacement Tools: What to Have at Hand

For the Redmi disassembly 6A And the display replacement will be needed:

• 🔧 Plastic mediators (2-3 pieces) - for careful tweaking of the case. Metal blades can scratch the frame.
• 🔨 Cross screwdriver (PH00) — Important: screws in the Redmi. 6A small!
• 🧲 Magnetic mat or tray – so as not to lose screws and small details.
• 🔥 Dryer or heat tile - for softening the glue (temperature 60-80)°C).
• 🧴 Isopropyl alcohol (90%+) — Cleaning contacts and removing glue residues.
• 📏 Screen suction cup – will help to gently lift the module after heating.

In addition, the following may be useful:

• 🔍 Loop - to inspect plumes for microcracks.
• 🧷 Tweezers - for working with small connectors.
• 📦 Airtight bag - to put the battery there (it is afraid of moisture).

⚠️ Warning: Never use Redmi to heat your screen 6A household hair dryer - it blows too hot air (up to 100)°C) and can melt plastic parts of the case. Optimal temperature is 60-70°C.

Step-by-step: how to disassemble Redmi 6A and replace the display

The screen replacement process consists of 5 key steps. Follow the instructions strictly in order to avoid damaging the plumes or motherboard.

Step 1: Turn off the phone and remove the back cover

Before disassembling completely turn off the phone and remove the tray for SIM-Then the maps:

1. Heat the hair dryer back cover around the perimeter for 1-2 minutes (hold the hair dryer at a distance of 5-7 cm).
2. Insert a plastic mediator into the gap between the lid and the case (start at the bottom corner where the charging connector is).
3. Carefully swipe the mediator around the perimeter, separating the latches. The lid should come off effortlessly.

Inside, you'll see the battery, the motherboard and the camera. Don't pull the plumes, they're fragile.

Step 2: Battery disconnection

Battery at Redmi 6A It's glued, but you don't have to disconnect it completely:

1. Unscrew 4 screws, fixing the metal plate over the battery connector.
2. Push the battery connector with a plastic mediator (it is white) and gently disconnect it.

Important: After turning off the battery, wait 1-2 minutes - this will discharge the residual current in the capacitors and protect the board from static discharge.

Step 3: Disabling the display plume

Display module in Redmi 6A single-strength 30-pin It's a plume that's underneath a metal plate, to disconnect it:

1. Unscrew 6 screws holding the plate above the plume (they are of different lengths - remember the location!).
2. Then, put the black light on the sleeve and pull the sleeve out.

If the plume doesn't come out, don't pull it by force! It's probably glued. Put some isopropyl alcohol on the connector and wait 10 seconds.

Step 4: Remove the Old Display

Now we need to separate the display module from the housing.

1. Heat the front of the phone (from the screen side) for 3-4 minutes. The glue should become soft.
2. Stick the suction cup to the bottom of the screen and gently pull it up. If the screen doesn't respond, repeat the heat.
3. Once a gap appears, insert plastic mediators into it and slowly guide them around the perimeter, separating the module.

Be careful, because there are sensor plumes and speakers underneath the screen, and don't pull too hard to break them.

Step 5: Installation of a new display

Before installing the new module:

• Clean the body of glue residues with isopropyl alcohol.
• Make sure there is no dust or oxidation on the plume connector.
• If the new module is without adhesive base, apply bilateral tape around the perimeter of the case.

Next:

1. Connect the plume of the new display to the connector on the board (make sure that the latch is fixed).
2. Carefully place the module in place, starting from the top (where the front camera is located).
3. Press the screen around the perimeter to make the glue catch.

After assembly, do not turn on the phone immediately - wait 10-15 minutes for the glue to finally fix.

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The most common mistake when replacing the display with Redmi 6A — If the screen is not working after assembly, check: 1) if the connector is tightly snapped; 2) if there is no contamination on the contacts; 3) if the screws are mixed up (their lengths vary!).

Typical problems after a display replacement and how to fix them

Even if you did everything according to the instructions, after changing the screen to Redmi. 6A There are some problems that can happen. Here are the most common ones and the ways to solve them:

If after replacing the display, the phone does not turn on at all, check:

• 🔋 Is the battery connected (sometimes the plume falls out during assembly).
• 🔌 Are the contacts closed on the motherboard (look at foreign objects).
• 🔧 Are the screws not pulled (this can damage the fee).

⚠️ Note: If after replacing the Redmi display 6A It's very fast, and you probably damaged the power controller on the board, and you'll need a diagnostic at the service center.

How much does it cost to replace the display in the service vs independently?

Price of screen replacement on Xiaomi Redmi 6A Service centers vary by region and type of module:

• 🏙️ Moscow/St. Petersburg: 2,500–4,000 ₽ (with the original module, 1500–2500 ₽ (copy).
• 🌆 Regional cities: 1800–3000 ₽ (original, 1200–2000 ₽ (copy).
• 🔧 Self-sustained replacement: 800–2500 ₽ (module) + 300–500 ₽ (tools if they are not there).

Savings in self-repair are 50-70%, but it is important to consider the risks:

• ❌ Damage to the motherboard (if you carelessly handle the screwdriver).
• ❌ The swelling of the sleeves (with excessive tension).
• ❌ Dust falling under a new screen (if collected in a dirty room).

If you’ve never repaired your phones, try working out on a non-working device first or watch a video disassembly for Redmi. 6A (This will help you avoid the typical mistakes.

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Before you buy a module, check it for performance! Ask the seller to send a video with a display test (check colors, sensor and backlights), which will save you time and nerves.

How to extend the life of a new display: tips for operation

To get a new screen on Redmi 6A You have served as long as possible, follow these guidelines:

• 📱 Use a case with protrusions - they protect the screen when falling on a flat surface.
• 🔄 Avoid overheating - don't leave your phone in direct sunlight (especially in summer) The glue under the screen can melt.
• 💧 Do not use your phone with wet hands – moisture can penetrate the glass and cause oxidation of contacts.
• ⚡ Do not discharge the battery to zero – this increases the load on the power controller, which can lead to a flickering screen.
• 🔧 Regularly update the firmware in new versions MIUI Frequently corrected bugs with control of lighting.

If you notice that the new screen started to brake when you touch, try:

1. Calibrate the sensor in the engineering menu (code for entry: ##4636##).
2. Disable the function "Improving sensitivity" in the settings (Settings) → Display. → Additionally).
3. Reset your phone settings (if the lags appear after the replacement).

Average service life of the display module in Redmi 6A — 2-3 years with careful operation, if the screen started to "glutch" earlier, most likely a problem as a module or improper installation.

FAQ: Frequent questions about replacing the display with Redmi 6A