Replacement of the screen with Xiaomi Redmi 9C NFC: Detailed guide with photos and nuances

Xiaomi Redmi 9C NFC — popular budget smartphone with NFC-Cracks, broken pixels, or broken touchscreen are common problems that can be solved by replacing a display. In this article, we'll discuss how to change the screen yourself without going to the service center, saving up to 70% of the cost of repairs.

Replacement of screen with Redmi 9C NFC (model M2006C3MG) It has its own characteristics: it is used here. OGS-One Glass Solution, where the touch layer is integrated into the glass, not glued separately, which makes it easier to replace, but requires care when working with the plumes. + touchscreen + frame) and only glass replacement (if the matrix is intact).

Important: if the phone doesn't turn on after the fall or the screen flashes, the problem may be in the display plume or the motherboard, in such cases, replacing the screen will not help - you need a diagnosis in the service.

Preparation: tools and spare parts

Before you disassemble the phone, prepare everything you need, and without the right tools, you risk damaging the plumes or the board.

• 🔧 Screwdriver kit: cross-haired PH00 and flat 1.5 mm (for screw frames), as well as five-pointed Y00 for some screws under the lid.
• 📱 Plastic mediators (2-3 guitar mediators – to separate the screen from the body.
• 🔥 Hair dryer or heat tile (power) 300-500 W) to soften the glue. Temperature, no higher 80°C to avoid damaging the battery.
• 🧲 Suction (diameter) 4-5 cm) to lift the screen after heating.
• 🛠️ Tweezers with thin ends - for working with plumes.
• 🔌 New screen: original (Xiaomi) M2006C3MG) or a qualitative analogue (for example, from OEM-manufacturers such as Tianma or BOE).
• 🧴 Clay. B-7000 double-scotch 3M 9448A fixate.

The cost of the original screen for Redmi 9C NFC — from 2500 before 4000 ruble (2026 year, the analogues will cost in 1500-2500 Buy parts from trusted sellers (for example, on AliExpress from the HONGKONG GOLDWAY Xiaomi Mi Store Official to avoid fakes with poor color reproduction or broken touchscreen.

⚠️ Warning: Don't use metal tools to separate the screen - they can puncture the battery or damage the plumes.If you don't have experience, practice on an old phone.

Screen selection: original vs analog

When replacing the screen with Redmi 9C NFC The big question is, which one is the original part or the analog? Let's look at the pros and cons of each option.

If you want perfect color and durability, take the original. BOE — They are not inferior in quality, but cheaper in terms of quality. 30-40%. Avoid cheap no-name screens: They often have dead pixels, poor viewing angle, or uneven backlights.

A critical nuance for Redmi 9C NFC: The screen in this model is glued to the frame, so you often have to change it when you replace it. If you buy only glass (without a frame), be prepared for the difficulties with fitting.

💡

Before buying a screen, check its compatibility with the phone model (M2006C3MG) version NFC. Some vendors say "suitable for Redmi." 9C", but they don't specify NFC-module, which may differ in connectors.

Step-by-step disassembly of Xiaomi Redmi 9C NFC

Now, to the most critical stage, the disassembly of the phone, follow the instructions carefully so as not to damage the plumes or the board.

1. Turn off the phone and remove it. SIM-card from the tray (use a paper clip or a special key).
2. Heat the back cover with a hair dryer (temperature) 60-70°C) during 2-3 You can start with the edges.
3. Put the lid on a plastic mediator, starting at the bottom corner (where the charging connector is), and be careful, there are plumes of the fingerprint scanner underneath the lid. NFC-antennae.
4. Unscrew 10 screws with a PH00 cross screwdriver (they fix the metal plate above the battery).
5. Disconnect the battery: tuck the battery connector with a flat screwdriver and gently bend it upwards.
6. Unscrew the 4 screws holding the metal plate over the motherboard, and remove it.
7. Disconnect the plumes: 📱 Display plume (top, under metal plate). 🔋 Touchscreen plume (nearer, but thinner). 📶 schleife NFC-antennae (right, glued to the back cover).

Once the plumes are disconnected, you can start to separate the screen.

1. Heat the screen with a hairdryer around the perimeter (temperature) 70-80°C, time — 3-4 minute).
2. Stick the suction cup to the bottom of the screen and pull it up. If the screen doesn't respond, repeat the heat.
3. Keep the screen separated by plastic mediators as you move around. Don't push too hard, there are plumes underneath the screen!

If the screen is barely separated, don't force it, you better warm up the problem area again. 9C NFC There is often a double layer of glue (especially at the edges), so the process can take 10-15 minute.

⚠️ Warning: Don't pull the plumes of the display - they are fragile and easily torn. If the plume breaks, it can be replaced separately (cost - about 500 rubles), but this requires soldering.

Installation of a new screen and assembly of the phone

When the old screen is removed, clean the phone's frame of the glue residue (use isopropyl alcohol or acetone).

1. Check the new screen for defects (scratches, broken pixels), connect it to your phone (without glue fixing) and turn on the device to make sure everything works.
2. Apply the glue: If you use B-7000, Put a thin layer around the perimeter of the frame (without touching the connectors!). If you use double-sided tape, cut the strips by size and paste them on the frame.

Set the screen up.

Connect the plumes.

Secure the metal plates

Connect the battery.

Close the back cover.

After assembly, turn on the phone and check:

• 🎨 Color rendering (whether yellow or cold).
• 👆 Touchscreen (touches are recorded throughout the screen, no dead zones").
• 📶 NFC (Try to pay contactlessly or read the label).
• 🔋 Charging (the cable must fit tightly into the connector).

If the screen flashes after replacement or the backlight does not turn on, check:

• The density of the plumes fit (sometimes they come out of the connectors during assembly).
• Integrity of plumes (whether there are breaks or crevices).
• The polarity of the battery (if confused "+" and "-," the phone won't turn on).

Calibration of the touch screen after replacement

If the new screen responds to touches inaccurately (like pressing in one place and the cursor jumps in another), calibration will be required. 9C NFC This is done through the engineering menu:

1. Open the phone app and enter the code: ##6484##
2. Select the Touch Panel Test (touch screen test).
3. Press Calibration and follow the instructions on the screen (usually touch the crosses in different corners).
4. After calibration, restart the phone.

If the engineering menu doesn’t open, try an alternative method:

1. Install the Touchscreen Calibration app from Google Play.
2. Run it and calibrate according to the instructions.
3. Reset the device.

If calibration doesn’t help, the problem may be:

• 🔌 Bad contact of the plume (check the connector on the board).
• 🛠️ Defective screen (especially if it is a cheap analogue).
• 📱 Software failure (will help reset settings or flashing the firmware).

💡

If the phone is running out faster after changing the screen, check if you have damaged the battery plume or power controller. 9C NFC These elements are located next to the display connector.

Frequent Mistakes and How to Avoid Them

Even experienced craftsmen sometimes make mistakes when replacing the screen with Redmi. 9C NFC. Here are the most common problems and ways to prevent them:

• 🔥 Battery overheating: if you heat the dryer for longer than 5 minutes or at a temperature above 80°C, the battery may swell. Use thermocouple sensor to monitor the temperature.
• 🧲 Loss of screws: at Redmi 9C NFC They use screws of different lengths, and if you confuse them, you risk damaging the board.
• 📱 Damage to the plume NFC: It goes from the back to the board, and it often breaks when the lid is not neatly removed. NFC Stopped working, check the integrity of the plume.
• 🎨 Uneven lighting: if you see dark spots on the edges of the screen, it means that the screen is glued irregularly.
• 🔌 Failing charging: if after assembly the phone does not charge, check whether the connector bent USB-C (It is attached to the same plate as the screen plumes).

Another common mistake is using superglue instead of B-7000. Superglue crystallizes over time and can damage the screen when it is repaired next, and it also prevents the display from being carefully separated if it needs to be replaced again.

If after the replacement the screen works, but artifacts (stripes, flickering) appeared, the reason may be:

• Bad contact of the matrix plume (try reconnecting).
• Defective matrix (if the artifacts were on the old screen, the problem is in the board).
• Screen incompatibility with firmware (solved by updating via Mi Flash Tool).

Cost of repair in the service vs self-replacement

If you're not sure about your abilities, you can go to the service center, but the cost of replacing the screen with a Redmi is not enough. 9C NFC In 2026, it varies from 3,500 to 6000 rubles (depending on the region and the type of screen.

As you can see from the table, self-replacement can save up to 50%, but consider the risks:

• 🔧 Damage to the board (if it is not neat to work with a screwdriver).
• 📉 Loss of warranty (if the phone is warranty, the service center may refuse repair after self-intervention).
• ⏳ Time-consuming (the first replacement may take) 1.5-2 hour).

If you decide to repair your phone yourself, here’s where you can buy parts cheaper:

• 🌍 AliExpress is cheaper on the 20-30%, but delivery takes 2-3 weekdays.
• 🛒 Yandex Market is faster, but prices are higher 10-15%.
• 🏬 Local parts stores are more expensive, but you can check the screen before buying.

💡

If you’ve never disassembled a phone, practice on a non-working device or watch Redmi’s demolition video guides. 9C NFC Repair Universe or Xiaomi Repair channels give good step-by-step instructions.

FAQ: Answers to Frequent Questions