Touchscreen on Xiaomi Redmi does not respond to touch – what to do?

A touchscreen that suddenly stopped responding to touch is one of the most annoying malfunctions on a smartphone, especially if it happened on a Xiaomi Redmi device, where the combination of price and functionality makes repairs at the service center not always warranted, causes can range from software failures to physical damage to the digitizer, and solutions from a simple reboot to a complete replacement of the screen module.

In this article, we’ll look at all the possible reasons why the Redmi sensor (including the Note) is a good idea. 10/11/12, Redmi 9/10/13C And others, they can ignore your touch, and they can give you step-by-step instructions for diagnosing and fixing the problem. Importantly, some methods require disassembling the phone -- if you're not sure about your skills, you better go to a specialist. 70% Failures can be eliminated on their own.

Basic checks: exclude the obvious

Before you take your phone apart or reset your settings, make sure that the problem isn't in the trivial stuff.

• 🧼 Clean the screen. Fat prints, dust or bubble protective film can block some of the touches. Wipe the screen with a microfiber wipe dipped in alcohol solution (at least 70%).
• 🔋 Check battery power. At a charge level below 5%, some Redmi models turn off some of the screen functions to save energy.
• 📱 Remove the cover and film. Cheap accessories can create parasitic pressure on the body, resulting in false alarms or complete locking of the sensor.
• 🌡️ Let the phone cool down. Overheating (such as after playing or charging) can cause temporary digitizer failures. Put the device in the shade for 20-30 minutes.

If the sensor is still not working after these manipulations, move on to a deeper diagnosis. Note that if the screen only responds to a portion of the touches (e.g., the top half), the problem is likely to be physical damage to the plume or matrix.

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2. Software failures: reboot, safe mode and reset

In 40% of cases, a broken sensor on Xiaomi Redmi is associated with software errors – application conflicts, corrupt system files or incorrect updates.

Forced reset

Press the power button. + Turning up the volume by 10 to 15 seconds until the phone vibrates and restarts, a technique that works if the sensor is locked due to a temporary malfunction. MIUI application.

Safe regime

If the screen is running in safe mode, it's the third-party app's fault.

1. Turn off the phone.
2. Squeeze the power before the Redmi logo appears.
3. Once the logo appears, release Power and immediately press Volume Down, holding until full load.

In Safe Mode, remove recently installed applications (such as launchers, interface overlay games, or customization programs).

Resetting settings

If the reboot and safe mode didn't work, try resetting to factory settings. Attention: this will delete all data from your phone, including photos and apps. → The phone. → Backup.

For discharge:

1. Go to Settings → Additional → Recovery and Reset.
2. Select Settings Reset.
3. Confirm the action (it may be necessary to enter a password from your Mi Account).

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If the sensor does not respond at all and you can not enter the settings, use Recovery mode:

1. Turn off the phone.
2. Squeeze the power. + Increase volume before the Mi Recovery menu appears.
3. With the help of volume buttons, select Wipe Data, confirm the choice with the Power button.

3. Physical damage check

If software methods fail, it's time to examine the phone for mechanical damage, and even a minor impact or fall from a height of 50 cm can damage the plume of the digitizer or the matrix itself.

External examination

Turn on the flashlight and look at the screen from different angles.

• 🔍 Cracks or chips – even a microcrack can disrupt the sensor.
• 💧 Moisture traces – corrosion on contacts often leads to unstable screen performance.
• 📏 Clearances between the case and the screen – if the screen “moves” away from the case, this is a sign of damage to the adhesive layer or plume.

Response test

Try these steps to localize the problem:

• 🖍️ Swipe around the screen with a plastic pen or pencil (not metal!).If the sensor responds to plastic but not to the finger, the problem is the layer of oleophobic coating.
• 🔄 Try turning the phone over and touching the screen upside down. If the sensor is in one position but not another, it's the plume that's the fault.
• 🎮 Connect the gamepad or mouse by OTG. If the cursor is moving and the touches are not working, the problem is precisely in the digitizer.

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If the screen only reacts to a strong press, it's a sign that the digitizer is detached from the matrix, and in this case, only re-painting in the service center will help.

Diagnostics of the plume

The digitizer plume is the most vulnerable part of the Redmi screen design, which connects the sensor to the motherboard and is often damaged by falls or sloppy disassembly. If you're ready to disassemble the phone, follow the instructions:

1. Turn off the phone and remove it. SIM-map.
2. Heat the back cover with a hairdryer (temperature not higher than 60 ° C) and gently tuck it with a plastic spatula.
3. Unscrew the screws that hold the metal frame of the screen (usually 6-8).
4. Lift the screen module and check the plume for cracks, ruptures or oxidation.

On Redmi Note 10 and later, the digitizer plume often moves away from the motherboard connector due to weak fixation. Carefully press it back and check the sensor.

4 Problems after MIUI Update

Firmware updates MIUI Sometimes it can lead to conflicts with sensor drivers, especially on older Redmi models (like the Redmi 8 or Note 7:

Related: Retreat of the update

If the phone still responds to the volume and power buttons:

1. Press Power + Volume Up to Enter Recovery.
2. Select Wipe Cache (clearing cache), then restart the phone.
3. If this doesn’t work, select Reboot to Bootloader from the same menu and run the previous version through the Mi Flash Tool. MIUI.

Hand-flashing

You will need a computer and the Mi Flash Tool:

1. Download fastboot firmware for your model from the official Xiaomi website (for example, MIUI Downloads).
2. Connect your phone to your PC in Fastboot mode (clip Power + Volume Reduction when turned on).
3. In the Mi Flash Tool, select the downloaded firmware file and press Flash.

⚠️ Attention: Continuous power during firmware is critical! If the process is interrupted, the phone can turn into a brick. USB-cable USB 2.0 on PC.

5.Moisture and corrosion: what to do if the phone is wet

Moisture is one of the most insidious causes of a sensor that's not working, and even if the phone hasn't sunk, condensation or high humidity can cause the contacts to oxidize.

• The screen is delayed.
• Phantom touches are coming in.
• At the bottom of the screen (where the plume is usually located) divorces are visible.

Emergency measures

If the phone is recently wet:

1. Turn it off immediately (do not press buttons to avoid short circuit).
2. Extract. SIM-card.
3. Wet your phone with paper towels (don’t rub!).
4. Place it in a sealed bag with silica gel (shoe box bags) for 24-48 hours.

⚠️ Warning: Do not use a hair dryer or rice! hot air can damage plumes, and rice does not absorb moisture efficiently and can clog connectors.

Cleaning contacts

If more than 24 hours have passed and the screen is not working:

1. Disassemble the phone (see the instructions in section 3).
2. Examine the plume of the digitizer and the connector on the motherboard for the presence of green plaque (oxidation).
3. Clean the contacts with a cotton swab soaked in isopropyl alcohol (90%+).
4. Dry 1-2 hours and collect the phone.

If the sensor is still not working after cleaning, the oxidation could damage the tracks on the board, in which case you will need to solder the plume or replace the motherboard.

6. Replacement of the digitizer or screen

If all previous methods have failed, it is likely that the touch layer (digitizer) or the entire screen will need to be replaced. On Redmi models, the digitizer is often assembled with the matrix, but on some models (for example, the Redmi Note 11) they can be replaced separately.

How to choose a spare part

When buying a digitalizer or screen, pay attention to:

• 🆔 The exact phone model (e.g. Redmi Note 10 Pro and Redmi Note 10 Pro Max have different screens).
• 🔧 Type of connector (on new models used) COF, old — COG).
• 📏 Presence of adhesive layer (optimally - with pre-applied) LOCA or OCA).

Replacement (for experienced)

To replace you will need: hair dryer, plastic blades, screwdriver T3/T4, Tweezers and a new digitizer:

1. Heat the screen with a hair dryer (60–70°C) around the perimeter to soften the glue.
2. Carefully slap the screen with a spatula starting at the corner. Don't push too hard, you can damage the plume!
3. Disconnect the digitizer plume from the motherboard.
4. Remove the old adhesive layer from the phone frame (you can use isopropyl alcohol).
5. Install a new digitizer, connect the plume and check the sensor until the final gluing!
6. Apply a new glue layer (LOCA or double-sided scotch) and press the screen.

⚠️ Note: On models Redmi Note 12 and newer when changing the screen can work lock on the IMEI, If you don't use the original Xiaomi digitizer, you'll need to run through the firmware. EDL-regime.

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Replacing a digitizer with a Redmi costs 3-5 times less than buying a new phone. The average price of a spare part is 1,500-4000. ₽, work in the service - 1000-2 500 ₽.

7. Alternative ways to control the telephone

If the sensor is not working and the phone is urgently needed, you can temporarily control it in other ways:

USB-mouse

Connect through OTG-adapter USB-Most Redmi models support this out of the box. The mouse cursor will emulate touch.

Voice assistant

Activate Google Assistant with the voice command "OK, Google" (if enabled).

• Calling contacts.
• Open applications.
• Turn on/off Wi-Fi or mobile data.

Remote control

If your phone has Mi Account enabled and you have access to another device, use the Find Device feature on i.mi.com.

• 📍 Determine the location of the phone.
• 🔊 Activate the beep.
• 🔄 Reset the device remotely.

8.When to contact the service center

Not all breakdowns can be repaired by yourself.

• 🔧 You disassembled the phone but found no visible damage and the sensor is not working.
• 🔥 On the motherboard, blackened or bloated elements are visible (a sign of a short circuit).
• 📱 The screen responds to touch, but displays artifacts (colored stripes, flickering).
• 🔌 Phone does not turn on after trying to replace the digitizer.

Average cost of repairs in service centers:

Before visiting the service, back up your data if the phone is still turning on. In some cases, after repair, you may need to reset your settings.

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In official service centers Xiaomi repair warranty is possible only for mechanical damage not related to the actions of the user (for example, factory defects).

FAQ: Frequent questions about the broken sensor Redmi