No sound when receiving SMS Xiaomi: All the reasons and solutions

You got it. SMS, But the phone is silent like a fish? This problem is familiar to many Xiaomi owners - from the budget Redmi Note. 12 before the flagship Mi 14 There may be a dozen reasons, from a banal error in settings to a system failure after an update. MIUI 14/15. In this article, we will analyze all possible scenarios why there is no sound when incoming SMS, We give you clear instructions to fix the problem.

Xiaomi is actively modifying standard Android by adding its own optimization layers, sometimes leading to conflicts, such as the “No Sound During Games” feature, which can accidentally block notifications about messages. Or the Google Play Services update resets access rights for the Messages app.We tested the solutions on 15 Xiaomi models (from Mi). A1 poco F5) 12 working methods, from simple to radical.

If you're in a hurry, you can go straight to the solution block. If you want to understand the reasons, read the full article. MIUI": It is responsible for 40% of the absence of sound. SMS.

Why the sound of notifications has disappeared SMS: top-up-7 cause

Before you treat a symptom, you need to understand the disease. Here are the most common reasons why Xiaomi doesn't make a sound when receiving a signal. SMS:

🔹 1. Hardware volume button: Many users accidentally press the physical "Silent Mode" button (usually located next to the power button). MIUI This results in a complete shutdown of notification sounds, including SMS.

🔹 2. Settings for notifications in the Messages app after the update MIUI Or resetting the right to audible alerts may be reset, especially for Poco models. X3/X4, Where there are frequent conflicts with Google Messages.

🔹 3. conflict with optimization functions. MIUI There are hidden power saving settings that can block background activity in the Messages app, such as the "Limit background activity" option in the battery menu.

🔹 4. Damaged system files: If the sound is lost after an unsuccessful update (e.g., from a computer system) MIUI 13 on MIUI 14), The fault may be damaged files. /system/media/audio/notifications.

🔹 5 Third-party apps: Messengers like WhatsApp or Telegram sometimes intercept notification control, turning off the sound for standard applications. SMS. It can also be blamed for “optimizers” such as Clean Master.

🔹 6. A mistake in the sound profile. MIUI There is a separate profile for notifications (Settings) → Sound and vibration → If he dropped on "No sound", SMS They will come silently.

🔹 7. Hardware malfunction. In rare cases, the speaker or the plume (especially after the phone falls) is to blame.

Primary Diagnosis: What to Check First

Before digging into the settings, perform 5 quick checks that will take no more than a minute:

📌 1. Make sure the sound isn't turned off by the hardware. Press the volume button up, and the speaker icon should appear on the screen. If there's a crossed bell next to it, turn on the sound.

📌 2. Check if the phone is worth it in Do Not Disturb mode.Smash the notification bar down: if you see an icon 🌙 or the words "No sound", touch it to turn it off.

📌 3. Send a test. SMS Sometimes the problem lies in the operator (for example, MTS or Beeline can send a message). SMS If there is sound in the test message, the operator is to blame.

📌 4. Reboot the phone. It's trivial, but it helps in 15% of cases. Press the power button, select Reboot and wait for it to turn on.

📌 5. Check the sound in other apps. Run YouTube or Spotify: if there's no sound there, there's a problem with the speaker or system settings of the sound.

12 Ways to Revert Sound to Your Business SMS Xiaomi

Now, let's get to the concrete solutions. Start with the simplest and end with the radical ones. Follow the instructions carefully -- many of the settings in the system are very simple. MIUI hidden.

1. Set up notifications for the Messages app

The most common reason is reset notification rights.

✅ Open the Settings. → Annexes → Application management.

✅ Find Messages app (or Messages on global firmware).

✅ Tap Notifications. → Notifications of new communications.

✅ Make sure the Allow Notifications slider is on (should be blue).

✅ Below, select the notification sound and set any tune (for example, MIUI Tone).

✅ Enable the option "Vibration" and "Flashing indicator" (if necessary).

🔹 If you use Google Messages:

Google’s standard messaging app may conflict with MIUI. Try installing it as the default app in Settings → Annexes → By default. → Annex for SMS.

2. Checking the volume of notifications

V MIUI The volume of the notifications is regulated separately from the media and the calls:

✅ Go to Settings. → Sound and vibration.

✅ Tap Volume (or Volume Control on New Versions).

✅ Make sure the Notification slider is not on zero. If it's gray, move it to the right.

✅ Click More and check if the tick is opposite "Silent Mode for Notifications".

💡

In some Xiaomi firmware, the volume of notifications is reset after the headphones are connected. If the sound is gone after using the Bluetooth headset, just move the notification slider manually.

3. Disable Do Not Disturb and Quiet Mode

MIUI There are two different modes of silence, which are often confused:

🔸 Don't disturb mode" (DND):

Open the Settings. → Sound and vibration → Don't disturb.Make sure the mode is off or set to pass. SMS (Option “Allow notifications from" → select Messages).

🔸 Quiet mode (hardware):

On some models (Redmi Note) 10/11) There's a separate button for profile switching. Press it and select "Sound" or "Regular".

⚠️ Attention:

If you have Xiaomi with MIUI 14+ Android 13, check the Settings section → Notifications → Focus modes. This can be a sleep profile or a work profile that blocks sounds. SMS.

4. Resetting the sound settings

If previous methods did not help, reset the sound settings to factory:

✅ Go to Settings. → System and device → Additionally. → Resetting settings.

✅ Select Resetting Sound Settings (not to be confused with a full reset!).

✅ Confirm the action and restart the phone.

📊 When it helps:

60% of the time, the problem is solved after the reset, especially if the sound is gone after the update. MIUI.

5. Cleaning the cache and data of the Messages application

Damaged application data may cause notifications to crash to clear:

✅ Go to Settings. → Annexes → Application management → Communications.

✅ Press Warehouse and Cache.

✅ Tap Clear the cache, then Clear the data (⚠️ It's gonna take away the story. SMS!).

✅ Reboot the phone.

🔹 The alternative:

If you're afraid to lose SMS, Try cleaning the cache first. If it doesn't work, back up your messages through Settings. → Google → Backup.

6. Verification of background activity permit

MIUI aggressively optimizing background processes, which can block notification sounds:

✅ Open the Settings. → Battery and productivity → Battery consumption management.

✅ Find the Messages app and select Without Limitations.

✅ Go back and go to Settings. → Annexes → Permits → Auto-start.

✅ Make sure that the Message is auto-started.

Updating the “Messages” annex and MIUI

If the problem has recently appeared, the fault may be outdated software:

📲 Updating the annex:

Open Google Play, find Messages (from Google or Xiaomi) and update. If you use the standard Xiaomi app, the update is available through Settings. → The phone. → Updating the system.

📲 Update MIUI:

Go to Settings. → The phone. → Update the system and check for updates. If a new version is available, install it.

⚠️ Attention:

Don’t install firmware through fastboot or recovery unless you’re sure of your actions! On Xiaomi models with a locked bootloader, this can lead to a brick (completely inoperable) device.

8. Check notification files (for advanced)

If the sound is lost after manual deletion of system files or a failed patching MIUI, It's possible that the notification files are corrupted to restore the:

✅ Connect your phone to your PC and enable debugging. USB (Settings → The phone. → Version. MIUI → 7 times tap the build number, then return to the Additional → For developers).

✅ Download the archive with original sounds MIUI (can be found on the forums 4PDA or XDA).

✅ Through ADB or file manager with root rights copy files to folder /system/media/audio/notifications.

✅ Reboot the phone.

🔹 No root rights:

If you don’t have access to the system folder, try installing a third-party notification app (e.g. Textra). SMS) and tune the sound in it.

9.Reset all settings (last chance)

If nothing helps, do a soft reset (does not delete files, but returns settings to factory settings):

✅ Go to Settings. → System and device → Additionally. → Resetting settings.

✅ Select Reset all settings (not Reset to factory settings!).

✅ Confirm the action and wait for the reboot.

📌 That he'll drop:

- Wi-Fi and Bluetooth settings

- Background wallpaper and sounds

- Notification settings

Accounts (but not application data)

10.Verification for viruses and malware

Some viruses block notifications to hide their activity, and you can check the phone like this:

✅ Install an antivirus (Malwarebytes or Dr.Web).

✅ Run a deep scan.

✅ Remove suspicious apps (especially if they have requested access to notifications).

🔹 Signs of infection:

- The phone's slowed down.

- Unknown applications have appeared.

- The battery is discharged faster than usual.

11. Hardware diagnostics

If there's no sound anywhere (in calls, music, video), the problem could be the speaker or the plume.

🔊 Dynamics test:

Call the phone from another device, and if you have audio in your headphones, but not in your speaker, the bottom speaker is defective.

🔊 Vibration test:

If the phone vibrates with SMS, No sound, but the problem is software (see paragraphs above).

🔊 Check after the fall:

If the phone fell or got wet, check the speaker connector for damage.

⚠️ Attention:

Don’t disassemble your phone yourself if you’re not sure about your skills! IP53 (For example, the Redmi Note 12 Pro+) disassembly may violate the tightness.

12.Apply to the service centre

If all methods are tried, and the sound is SMS Still no, there are two options:

🔧 Official Xiaomi service:

Contact an authorized service center under warranty (if your phone is younger) 12 months) repairs will be free. List of centres: mi.com/global/service.

🔧 Informal repairs:

If the warranty is over, you can contact local workshops. The average cost of diagnosis is 500-1000 rubles. Replacing the speaker with Xiaomi costs 1500-3,000 rubles.

💡

Before visiting the service, make a backup copy of the data through Settings → Google → Backup or Mi Cloud. wizard can reset the phone to factory settings.

Comparative table: what to do depending on the model Xiaomi

Frequent mistakes of users in solving the problem

Many users make the problem worse by making these mistakes:

❌ 1. Complete reset to factory settings without backup.

This is an extreme measure. Try all the other ways first. If you do decide to reset, save your data via Mi Cloud or Google Drive.

❌ Installation of third-party “optimizers".

Applications such as Clean Master or DU Speed Booster often blocks notifications. Delete them and check the sound again.

❌ 3. Disable notifications for all applications.

B Settings → Notifications, some users turn off notifications globally, thinking it's going to solve the problem.

❌ 4. Ignoring updates.

If the sound is lost after the update MIUI, Don't roll back on the old version! Better wait for a patch or call in support of Xiaomi.

❌ 5. Self-repair without skills.

Disassembling the phone without experience can damage the plume of the speaker or battery. If you are not sure, take it to the service.

FAQ: Answers to Frequent Questions