If your Xiaomi touch screen suddenly stops responding to touch, don't panic. 80 percent of the time, the problem is solved without going to the service center. The causes of malfunction can range from software failures to physical damage, but most of them are home-remedyable. It's important to properly diagnose the source of the problem so as not to make the situation worse.
This article covers all possible scenarios, from basic methods like reboots to complex firmware manipulations, and we will look at the specifics of sensor behavior on popular models (Redmi Note 10 Pro, POCO X3, Mi 11, etc.), and also provide recommendations for preventing repeated failures. If you read it, you realize that the problem is hardware, at the end there is a checklist for choosing a service center.
1. Diagnostics of the problem: how to understand what exactly broke
Before you start repairing, you need to determine what exactly failed.
- 🔹 Display (OLED/LCD) is responsible for displaying the image.
- 🔹 Touchscreen - registers touch.
- 🔹 Connection plume – transmits signals from the sensor to the motherboard.
- 🔹 Software is the drivers and firmware that control the operation of the screen.
To distinguish hardware from software failure, perform the following tests:
- Charging response check: Connect your phone to the charger. If a charging indication appears on the screen (even without touching), the problem is most likely in the sensor or plume, not in the display.
- Mouse test: Connect the OTG- adapter and the USB-Z mouse. If the cursor is moving and the clicks are working, only the touchscreen is faulty.
- Sound signals: Call your phone from another device, and if you're calling but the screen isn't responding, that confirms a problem with the sensor or the sensor connection.
Pay special attention to the nature of the malfunction:
- 🔸 The screen is not fully responsive, and there may be problems with the plume or motherboard.
- 🔸 Responds to only part of the screen, such as the sensor or its contacts being damaged.
- 🔸 Spontaneous pressing ("ghost touches") - often associated with moisture or damage to the digital board.
- 🔸 Touching and lags are software failure or processor overload.
2. Software Solutions: Where to Start
In 60 percent of cases, the sensor stops working because of firmware failures or application conflicts.
Forced reset
If the screen is unresponsive, but the phone is turned on (indicators are on, notifications are heard), run a hard reset:
- 📱 Press the Power + Volume button for 10-15 seconds.
- 📱 Some models (POCO F3, Mi 11 Ultra) use the combination Power + Volume Reduction.
- 📱 Wait for the vibration and the Xiaomi logo to be a signal of a successful reboot.
Important: If the sensor is running after the reboot, but the problem is repeated, it's a sign of a deep software failure, you need to check for updates or reset your settings.
Safe start-up mode
Safe mode disables all third-party applications, which helps to identify the conflict of the software:
- Turn off the phone (if it does not respond to the power button - wait for the battery to discharge).
- Turn it on by holding the power button.
- Once the Xiaomi logo appears, press and hold the Volume Down button until the desktop with the label Safe Mode loads.
If the sensor is operating normally in safe mode, the problem is in one of the installed applications. Uninstall recently added programs or reset to factory settings.
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On models with MIUI 13+, you can turn on Safe Mode via voice assistant. Say "OK, Google, turn on Safe Mode" (if voice input has been configured before).
2.3 Resetting settings to factory
If previous methods didn’t work, try hard reset.This will delete all data, so pre-extract the SIM- card and memory card (if the screen reacts even slightly, copy important files).
Instructions for phones with a broken sensor:
- Turn off the device.
- Press Power + Volume Up until the Mi logo appears.
- Release the buttons when the Recovery Mode menu appears (use volume buttons for navigation, power button for selection).
- Choose Wipe Data → Wipe All Data.
- Confirm the action and wait for the process to be completed.
What if you can’t get into Recovery?
Sensor calibration: When the screen reacts but is inaccurate
If the sensor is working, but it's recording late or in the wrong places, it needs calibration, and this is the right method for phones after a drop or a change in the screen.
For calibration:
- Go to Settings. → The phone.
- Tap 7 times on the MIUI version to activate the developer mode.
- Return to the main settings menu and open Additional → for developers.
- Find the Sensor Calibration option (some firmware may call it the Sensor Test).
- Follow the instructions on the screen by clicking on the points displayed.
If you don't have a calibration option, use third-party apps like Touchscreen Calibration (available on Google Play), but beware: not all apps are MIUI compatible.
Charge your phone at least 50% | Remove the cover and film | Clean the screen of dirt | Turn off the power saving modes-->
4. Hardware reasons: when without repairs can not do
If the software methods didn't work, the problem is probably physical damage.
| Symptoms. | Probable cause | Decision |
|---|---|---|
| The screen only responds to a strong press. | Detachment of the sensor film or damage to the adhesive layer | Replacement of the touch glass or complete replacement of the screen module |
| Dead Zones (individual areas do not react) | Damage to plume or microcrack in sensor | Diagnostics of the plume, replacement of the sensor or screen |
| The screen spontaneously presses in one place | Short circuit in the sensory matrix (often after moisture is ingested) | Device drying, sensor replacement |
| Sensor works, but no image is available | Damage to the display module or backlight plume | Display replacement or plume repair |
Critical information: On Xiaomi models with AMOLED- screens (for example, Mi 11, Redmi K40), replacing the sensor separately from the display is often impossible - you have to change the entire module, which in 2-3 is times more expensive.
Checking the screen plume
The plume is the most vulnerable part of the sensor design, and it can oxidize, rub, or move away from the connector to test it.
- Remove the back cover (need a mediator and a hair dryer to soften the glue).
- Turn off the battery (required!)
- Find the plume connecting the screen to the motherboard (usually located at the bottom of the phone).
- Carefully remove it from the connector and inspect for damage.
- Clean the contacts with alcohol and insert back tightly.
⚠️ Warning: Do not use metal tools to clean the contacts, this can cause short circuits. It is better to take a wooden toothpick soaked in isopropyl alcohol.
Effects of moisture ingestion
If the phone fell into water or was in a humid environment, corrosion could damage the contacts.
- 💧 The screen is delayed.
- 💧 Ghost touches appear.
- 💧 In the dynamics or charging connector, traces of oxidation are visible.
Action:
- Turn off your phone immediately and remove the battery (if possible).
- Place the device in a silica gel bag for 24 to 48 hours.
- Do not use a hair dryer or microwave to dry!
- After drying, check the sensor, and if there's a problem, you need to replace the damaged components.
5. Firmware and updates: when the software is to blame
Sometimes the sensor stops working after updating MIUI or installing custom firmware, this may be due to:
- 🔄 Driver incompatibility (especially relevant for beta versions MIUI).
- 🔄 Kernel conflict (if you install unofficial firmware like LineageOS).
- 🔄 Damage to the touch firmware section (occurs after a failed downgrade).
Decisions:
5.1. rollback to the previous version of MIUI
If the sensor stopped working after the update, return the old firmware:
- Download the official firmware for your model from en.miui.com.
- Rename the file to update.zip and place it in the root of the phone’s memory.
- Press Power + Volume Up to Enter Recovery.
- Select Install update.zip and confirm the installation.
5.2 Flashing through Fastboot
If your phone doesn’t boot or the sensor doesn’t work even in Recovery, use Fastboot:
- Install the Mi Flash Tool on your PC.
- Download Fastboot-rom for your model.
- Connect your phone to your PC in Fastboot mode (press Power + Volume Down).
- In the Mi Flash Tool, select the downloaded firmware and press Flash.
⚠️ Warning: Fastboot flashing erases all data, including data in internal memory. If the phone has Encrypted Storage or Mi Account enabled, you may need to enter a password from your Xiaomi account after you have firmware.
Temporary Solutions: How to Use a Phone Without a Sensor
If repairs are delayed and the phone is urgently needed, use alternative management methods:
6.1. Connecting a mouse via OTG
The most reliable method:
- 🖱️ Buy a OTG- adapter (Type-C or Micro-USB depending on the model).
- 🖱️ Connect a wired or wireless mouse.
- 🖱️ The cursor will appear on the screen, clicks will emulate touches.
For models with MIUI 12+, you can configure a virtual mouse through Settings → Special Options → Pointer Control.
Voice control
If you don’t have a mouse, use Google Assistant.
- Activate the voice assistant with the phrase “OK, Google.”
- Say commands like, "Open the app [name]," "Call [contact]," "Write a message [text]."
Limitation: Voice control does not allow complex actions (for example, setting up a system or working with files).
6.3 Control via PC (ADB)
For advanced users:
- Install the ADB and Xiaomi drivers on your PC.
- Connect your phone via USB and activate Debugging via USB (if the screen is responsive at least a little).
- Use commands like: adb shell input tap x y # emulation of adb shell input swipe x1 y1 x2 y2 # emulation of swipe adb shell am start -n com.android.settings # opening settings
If delays have occurred after the MIUI update, try to roll back to the previous version.