Have you noticed that on your smartphone Xiaomi, Redmi or POCO “Do not disturb” regime» (DND) Is it activated without you? Notifications stop coming, calls get blocked, and a crescent icon appears in the status bar at the worst possible moment. MIUI 12-14, and its causes can be hidden in software failures and hidden system settings.
In this article, we will look at 12 possible causes of spontaneously turning on Do Not Disturb mode, including rare scenarios (such as conflict with sleep apps or Google Assistant automation), and you will also find step-by-step instructions for diagnosing and fixing the problem, from checking the DND schedule to resetting security settings, especially the Xiaomi 13/14, Redmi Note 12 and POCO F5 models, where the problem manifests most often.
If you've tried to turn off mode through the notification panel, but it turns on again, don't rush to reset your phone to factory settings. In 90% of cases, simpler solutions help, which you will learn about below.
1. Do not disturb schedule in MIUI settings
The most obvious reason is the activated schedule in the settings DND. The system can automatically turn on the mode at a given time (for example, at night) or by events (during meetings in the calendar). MIUI This function is often switched on randomly when setting other parameters.
To check the schedule:
- Open Settings → Notifications and Status bar → Do not disturb.
- Slip on the Schedule (or Automatically Enabled on older versions of MIUI).
- Make sure all switches (Time, Event, Sleep) are turned off.
Important: On some firmware (e.g. MIUI 14 for Xiaomi 13 Pro), the schedule can be hidden behind the option “Additional settings” – scroll down the screen.
2. Conflict with sleep and health apps
Apps like Mi Health, Google Fit, or Sleep as Android can force DND to be activated while sleeping or resting, part of their digital well-being functionality, but sometimes it doesn’t work properly.
How to check:
- 📱 Open the Settings. → Annexes → Application management.
- 🔍 Find sleep-related apps (Mi Health, Digital Wellbeing) and check their permissions.
- ⚙️ In the settings of these apps, turn off options such as “Automatic Sleep Mode” or “Do not disturb while resting».
On the POCO F4 and Redmi K50, the issue is often with the Mi Sleep Monitor app preinstalled.It can either be reconfigured or disabled via Settings → Apps → Disable (but it can affect the fitness features).
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If you are using Sleep as Android, check your integration settings with MIUI under the Smart Alarm section – there may be a tick on “Enable DND automatically”.
3 Automation with Google Assistant or MIUI Automation
MIUI and Google Assistant allow you to create automatic rules that can include Do Not Disturb mode on triggers, such as:
- 📍 When connecting to a specific Wi-Fi network (home/work).
- 🕒 At the appointed time of day.
- 📵 At low battery level.
How to find and disable such rules:
- For Google Assistant: Open Google → Settings → Automation → Delete the rules with the action “Do not disturb”
- For MIUI Automation (not available on all models): Settings → Additional → Automation → Delete all scripts with DND
On the Xiaomi 12T and POCO X5 Pro, MIUI automation can be hidden. To find it, type in the "Automation" search for settings.
4. malfunction of Google Play services
If the Do Not Disturb mode is randomly activated and unsystemed, Google Play services may be at fault, especially in:
- 🔄 Google Play Services (Manages Background Processes).
- 📱 Google App (responsible for automation through Assistant).
- ⚙️ Android System Intelligence (controls smart functions).
Decision:
Clear the Google Play Services cache | Update Google App in Play Market |Reboot phone |Reset automation in Google Assistant |Reset Google settings Settings → Google → Account Management → Reset
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On the Redmi Note 11 and POCO M4 Pro, the rollback of updates for the Google App helps:
- Go to Settings → Apps → All Apps → Google.
- Stick to three points (⋮) → «Remove updates».
- Reset the device.
How to check if Google Play Services is to blame?
5. firmware errors or update conflict
Some versions of MIUI (especially 13.0.4–13.0.8 and 14.0.2) have bugs that cause DND to turn on spontaneously.
- 🐛 Error in the core of the system (found on Xiaomi) 11T redmi K40).
- 🔄 Conflict after updating through OTA (airborne»).
- 📱 Failures in com.android.server.telecom (phone call service).
Decisions:
| Problem. | Xiaomi model | Decision |
|---|---|---|
| DND is activated after the call. | Redmi Note 10 Pro, POCO X3 Pro | Clear the cache of the phone application and restart the device |
| The mode is activated when connecting headphones | Xiaomi 12 Lite, Redmi K50i | Disable the “Do Not Disturb When Connecting Devices” option in Bluetooth settings |
| DND is activated after MIUI update | All models in MIUI 13-14 | Reset application settings (Settings → About Phone → Settings Reset → App Settings Reset) |
If the problem occurs after the update, try:
- Reverse to the previous version of MIUI via Fastboot (instructions are available on 4PDA).
- Install stable global firmware (if you have EU ROM or China ROM).
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If Do Not Disturb mode is activated after a MIUI update, check reviews of your firmware version on forums (such as XDA Developers or Mi Community), often a massive bug that is patched in the next patch.
6. Viruses or malicious applications
Some adver applications or viruses can mimic the DND activation to block notifications from antivirus or system alerts, especially if you installed APKs from unverified sources.
Signs of infection:
- 🚨 DND activated when opening a specific application.
- 📲 Unknown notifications or advertisements appear.
- 🔋 The battery is discharged faster than usual.
How to check and clean:
- Install Malwarebytes or Dr.Web Light and scan the system.
- Check the list of installed applications in Settings → Applications → Application Management. Delete suspicious ones (especially with names like System Optimizer, Clean Master).
- Turn off the “Change System Settings” permission for all applications except system (Settings → Applications → Permissions → Special Permits).
Critical information: On Xiaomi with the bootloader unlocked, viruses can hide in system folders. If the antivirus does not find anything, but the problem remains, reset to factory settings.
Hardware problems (rare cases)
In less than 1% of cases, spontaneous DND activation is associated with hardware malfunctions:
- 🔋 Failure of the power button (false presses).
- 🔌 Short circuit on the motherboard (occurs after falls or moisture hits).
- 📶 Module problems NFC (In some cases, it is in conflict with system services).
How to diagnose:
- Check if the DND is activated when you physically press the body (for example, when you compress the phone in your hand).
- Run the hardware test through the engineering menu: ##4636## Select "Equipment Testing" and check the sensors.
- If your phone falls or gets wet, contact the service center. On Xiaomi, with a damaged board, DND may turn on due to a power controller malfunction.
The POCO F3 and Redmi Note 9 Pro had a known problem with the oxidation of the power button contacts, which caused the phone to perceive false commands, in which case a button change is required.
8 Conflict with the “Second Space” or “Children’s Mode” functions
If you are using a second space (Second Space) or a child mode (Kids Mode), then DND settings can sync between profiles or get lost when switching.
How to fix it:
- 🔄 Restart your phone and check your settings. DND both-space.
- 👤 Remove the second space (if not used): Settings → Second space → Delete.
- 🧒 In the mode for children, turn off the option “Block notifications” (Settings) → Regime for children → Settings → Notifications).
On Xiaomi Pad 6 and MIUI tablets, the problem is often with automatically switching profiles over time.
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If you use the second space, the Do Not Disturb settings may differ in each profile, for example, in the main space, the DND is off and in the second space it is on schedule.
FAQ: Frequent questions about Xiaomi's "Do Not Disturb" mode
❓ Why Do Not Disturb Only At Night?
❓ Can the virus include "Do Not Disturb»?
❓ Why? DND switches on after the call?
❓ How to completely disable the "Do not disturb" mode»?
❓ Why After Resetting Settings DND still on?
If none of these methods helped, contact the Xiaomi service center or create a theme on the Mi Community forum with the following information:
- Phone models.
- Versions of MIUI (find in Settings → About phone).
- The exact time and conditions under which the DND is activated.