Replacement of the display on Xiaomi Mi A1: photo-and-video

Xiaomi Mi A1 — The legendary smartphone of 2017, which is still popular today due to its pure Android One and balanced performance, but over time, even this “unkillable” device has problems with the display: cracks, broken pixels, a broken touchscreen or backlight. If you are faced with a similar situation, do not rush to give the phone to the service - you can replace the screen yourself, saving up to 70% of the cost of repair.

In this article, you will find step-by-step instructions with photos and videos, a list of necessary tools, tips for choosing an original or analog display, as well as answers to frequent questions. A1 (codename tissot, including plume mounting features and potential camera problems after replacement. Even if you've never repaired a smartphone, following our guidelines, you'll be fine in 1-1.5 hours.

Before you start, evaluate your strength: replacing the display requires accuracy, patience and minimal skills in working with small details. If you are not sure, you better contact the professionals. But if you are ready to try, read on!

1. Diagnostics of the problem: is the display really to blame?

Before you order a new screen, make sure that the problem is in it. A1:

• 🔹 Cracks or chips on glass (even if the touchscreen works).
• 🔹 Broken pixels: black/colored dots, stripes or spots.
• 🔹 The screen part is not working (for example, the upper or lower half).
• 🔹 Blinking of backlight or spontaneous change in brightness.
• 🔹 Touchscreen does not respond to touch (or reacts incorrectly).
• 🔹 Image is there, but no backlight (seen only at an angle).

If the screen is completely black, but the phone vibrates when pressed or the sounds are working, the problem may be the backlight plume or the motherboard.

1. Connect your smartphone to your computer or charger, and if the charge indicator is on, the display or its plume is faulty.
2. Try calling the phone. If you hear the call, but the screen doesn't turn on, the problem is in the display module.
3. Hold your phone up to a bright light at an angle, and if you see a dim image, the backlight is faulty.

⚠️ Warning: If the phone doesn't turn on at all (no vibration, no sound, no charge indication), the problem may be in the battery, power board or processor.

2. Selection of a new display: original vs analog

Part quality is 90% of repair success. - Xiaomi Mi A1 Three types of displays are available:

For Mi. A1 It's critical to choose a display with the right plume connector. TFT LCD + Touch Panel (TP) Combo 30-pin Budget analogues often come with a separate touchscreen, which makes it difficult to install.

What to look for when buying:

• 📌 Presence of adhesive layer (LOCA or OCA). Without it, the screen will peel off.
• 📌 Camera compatibility: Cheap displays can cover the lens of the front camera.
• 📌 Guarantee: Minimum period of 6 months.
• 📌 Look for sellers with photos of real displays in reviews.

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Before you buy, ask the seller to send you a photo of the plume connector on the original Mi display. A1 The connector should be marked as JDI NT35596 FHD or BOE NT35596.

3. Tools and training required

To replace the display Xiaomi Mi A1 You'll need it:

• 🔧 Screwdriver kit: cross-haired (PH00), flat (1.5 mm), five-beam (for screws under the tray) SIM).
• 🔧 Plastic mediators (2-3 pieces) for dissociating the body.
• 🔧 Suction cup (better with a ring) for screen removal.
• 🔧 Thermophen or hair dryer (at least 1000 W) for softening glue.
• 🔧 Tweezers (preferably magnetic).
• 🔧 Scalpel or knife to remove old glue.
• 🔧 Isopropyl alcohol (90%+) clean-up.
• 🔧 Double-sided tape or glue B-7000 plume-fix.
• 🔧 Antistatic bracelet (optional, but recommended).

Preparation of the workplace:

1. Work on a clean table with good lighting.
2. Put a soft substrate (such as a napkin) so as not to scratch the body.
3. Turn off the phone power and remove it. SIM-memory-card.
4. Take a picture of the original state of the phone (especially the location of the screws).

I turned off my phone and pulled it out. SIM-map|

Prepared all the tools.|

Cleared the workplace of garbage.|

I took a picture of the screws.|

Wearing an antistatic bracelet (optional)-->

⚠️ Warning: Do not use metal mediators - they can damage the board or plumes. If you do not have plastic, wrap metal tape.

4. Step-by-step instructions for replacing the display

The Mi Display Replacement Process A1 It consists of 5 steps. Follow the instructions strictly in order to avoid damage.

Step 1: Removal of the back cover

1. Heat the back cover edge with a hair dryer for 2-3 minutes (temperature) ~60°C. This will soften the glue.

2. Insert a plastic mediator into the gap between the lid and the housing (start at the lower corner where the charging connector is).

3. Carefully swipe the mediator around the perimeter, separating the lid. Be careful in the area of the fingerprint scanner - its plume is easily damaged!

4. Once you remove the lid, put it aside. The screws underneath are of different lengths, remember or photograph their location.

Step 2: Battery shutdown

1 Unscrew all screws on the metal plate covering the battery.

2. Take care of the plate and remove it, and underneath it you'll see a battery connector (a black connector with a red marker).

3. Use a plastic mediator to disconnect the connector. Don't pull the wires!

Stage 3: Removing the old display

1. heat the front of the phone with a hair dryer (especially at the edges) for 3-4 minutes.

2. Stick the suction cup to the bottom of the screen (where the Mi logo is) and pull up. If the screen doesn't lend itself, repeat heating.

3. Insert the mediators in the gap and slowly separate the display. Be careful, the plumes are still connected!

4. When the screen is separated, turn it over and disconnect it:

• 🔌 Display plume (wide white connector).
• 🔌 Touchscreen plume (thin black connector next to it).
• 🔌 The plume of the front camera and sensors (small white connector).

Step 4: Installation of a new display

1. Remove the protective film from the new display (if any).

2. Connect the plumes in reverse order:

• First, the front camera.
• Then touchscreen.
• At the end, the display.

3 Make sure the plumes are firmly settled into the connectors. If necessary, fix them with tape.

4. Check the screen by plugging in the battery. If everything works, turn off the power and glue the display.

Stage 5: Assembly of the phone

1.Aply a thin layer of glue B-7000 perimeter of the case (or use bilateral scotch).

2. Carefully press the display, starting at the top. Make sure it sits smoothly without skewing.

3. Install the back cover, twist the screws (observing the location!) and check the operation of all functions.

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The most common mistake when replacing the Mi display A1 — If the screen is working after assembly but does not respond to touch, check if the black connector is sitting tight next to the display plume.

Possible problems after replacement and their solution

Even with a careful replacement, problems can occur, and here are the most common ways to fix them:

If the display is working after the replacement, but the colors are distorted or the brightness is weak, most likely you have installed a budget counterpart, in which case only replacing it with a quality module will help.

⚠️ Warning: If the phone doesn't turn on after assembly (no vibration, no indication), check the battery connection.

6. Calibration of the touchscreen after replacement

On Xiaomi Mi. A1 After the display is replaced, you may need to calibrate the touchscreen, which is because the new touch layer may have different sensitivity parameters:

Method 1: Through the Engineering Menu

1. Open the dialer and enter the code:

##6484##

2. In the menu that opens, select Touch Panel Test.

3. Pass the test by touching the crosses on the screen. If all the dots are triggered, no calibration is needed.

4. If there are gaps, select Touch Panel Calibration and follow the instructions.

Method 2: Through the application

1. Install the Touchscreen Calibration app from Google Play.

2. Run it and follow the prompts. The app will automatically determine your screen settings.

3. After calibration, restart the phone.

If the touchscreen still doesn’t work properly (for example, it presses on its own or misses touches), check:

• 🔹 Density of attachment of the touchscreen plume to the connector.
• 🔹 Integrity of flexible cable (are there any breaks).
• 🔹 Sensitivity settings in Settings → System system → Gestures → Sensitivity to touch.

7. Tips for extending the life of a new display

To get a new screen on the Mi A1 You have served as long as possible, follow these guidelines:

• 🛡️ Use a safety glass. A1 fitting glass 2.5D (radius of rounding 2.5 mm).
• 📱 Avoid falls. Even with a protective glass, a blow can damage the matrix.
• ☀️ Do not overheat the phone. Prolonged exposure to high temperatures (such as direct sunlight) spoils the adhesive layer between the glass and the matrix.
• 🔋 Watch charging. Use only original or certified chargers. Power surges can damage the display controller.
• 🧼 Clean the screen correctly. Use a microfiber wipe and special liquids to clean the screens (without alcohol!).
• 🔄 Update your firmware. Newer versions of Android often fix bugs related to the display and touch screen.

If you have a budget-friendly coating, be prepared for the fact that after 6-12 months, you may need to replace the oleophobic coating, which can be applied yourself using special kits (for example, Oleophobic Coating Kit with AliExpress).

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To test the quality of the oleophobic coating of the new display, swipe it with your finger. On a good screen, there will be almost no trace left, on a budget screen - you will see fatty divorces.

8.Where to buy spare parts and how much it costs

Prices for displays for Xiaomi Mi A1 2026 ranges from 1,200 to 6,000 rubles depending on the type and seller:

Recommended sellers on AliExpress (as of 2026):

• 🛒 Xiaomi Mi Store Official – Original Parts, but Expensive.
• 🛒 HONGKONG GOLDWAY — Quality analogues, good reviews.
• 🛒 DIGITAL WORLD STORE — Budgetary options with guarantee.

Before buying, check with the seller:

1. Does the adhesive layer come in (LOCA/OCA).
2. Is there a warranty for the display (at least 6 months).
3. Is the display compatible with the front camera Mi? A1 (Some analogues close the lens).

FAQ: Frequent questions about replacing the Mi display A1