Why it is bad to hear the interlocutor in the dynamics of Xiaomi during a conversation: reasons and solutions

Have you noticed that when you call Xiaomi, you're not hearing well through your speaker, your voice is interrupted, your sound is quiet or distorted, and sometimes it's gone? This problem is common on models from the budget Redmi Note to the flagship Xiaomi 13 -- and hardware failure is not always to blame. In 70% of cases, software failures, incorrect settings or external interference are to blame.

In this article, we'll look at all the possible causes of bad sound in conversations, from the banal pollution of the grid to the hidden parameters of the network. You'll learn how to diagnose a problem in 2 minutes, which settings to check first, and when exactly to carry the phone to the service. And we've also collected current data from models from 2022-2026, where the problem occurs most often.

Spoiler: A simple smartphone reboot helps in 40% of cases, but there are less obvious tricks - for example, resetting your modem settings or turning off VoLTE.Read more, so you don't waste time on useless actions.

1. Checking the obvious: dirt, cover and physical damage

Before digging into the settings, rule out mechanical reasons. The speaker in Xiaomi is often clogged with dust, especially if you carry your phone in your pocket without a case. Even a thin layer of dirt can reduce the volume by 30-50%.

How to check:

• 🔍 Look at the speaker grille (usually located at the bottom of the phone) and bring it to the light, if you see dust or villi, the problem is found.
• 📱 Remove the case and repeat the call. Tight silicone or magnetic cases can block the sound holes.
• 💧 If the phone has recently come into contact with water (even condensate), the speaker may have oxidized, signs that the sound "bursts" or disappears when tilted.

If the speaker is clean but still quiet, move on to the next step, and if you find contamination, clean the grille with a soft toothbrush (don't use sharp objects!), which can help dry rice for 12 to 24 hours or use silica gel for moisture.

⚠️ Warning: Don't blow into the speaker with your mouth - this can drive the dust deeper. Also avoid vacuum cleaners: they create static electricity that damages the membrane.

2. Software glitches: reboot, cache and "safe mode"

If the speaker is clean, but the sound is still bad, it's the software's fault.

• 🤖 System failure after update (especially relevant for the MIUI 13/14).
• 📱 Conflict of applications that control sound (e.g. Equalizer or Call Recorder).
• 🗑️ Cache of the telephony module overflowed.

What to do:

1. Reboot your phone. That helps 30 percent of the time, especially if the problem comes on suddenly.
2. Run in Safe Mode: Press the power button before the menu appears. Press and hold "Stop" → agree to go to Safe Mode. If this mode is normal, it is the third-party application that is to blame.
3. Clear the cache: Go to Settings → Applications → Application Management. Find Phone (or Communication), click Storage → Clear the cache.

If the problem persists, go to network settings.

3. Network settings: VoLTE, 4G and communication modes

Bad sound when talking is often associated with incorrect mobile network settings, especially if you notice a problem after upgrading or changing. SIM-The main suspects»:

A critical feature for Xiaomi: on some models (for example, Poco X3 Pro), VoLTE is turned on by default, but does not work well with Russian operators (MTS, Beeline, Tele2).

If the sound is better after the changes, but other problems have arisen (for example, SMS does not come), return the settings back and try the next method.

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On the Xiaomi 12/13 series, there is a hidden menu for testing the network. Type in the dial ##4636##, select Phone Information and check the Voice Network Type setting. If there is NR (5G) and the connection is unstable, switch to 4G.

4.Reset modem and APN settings

If previous steps have not worked, the problem may lie in the incorrect settings of the modem or APN (access points).

• 📶 You have recently changed your operator or rate.
• 🔄 The problem arose after the update. MIUI.
• 🌍 The phone was used abroad.

How to reset the modem settings:

1. Go to Settings → About the phone → All specs.
2. Tap 5-7 times on the MIUI version until the notification “You became a developer” appears.
3. Back to Settings → Additionally. → For developers.
4. Find Reset modem settings and confirm the action.

How to reset APN:

1. Open the Settings. → SIM-maps and mobile networks → [Yours. SIM] → Access points (APN).
2. Click on the three dots in the upper right corner → Reset to default values.
3. Reboot the phone.

⚠️ Attention: After discharge APN If this happens, manually add the settings of your operator (you can find them on the official website of MTS / Beeline / Tele).2/Megaphone).

Hardware problems: speaker, microphone and antenna

If the software didn't work, the problem is physical. Here are the typical symptoms and their causes:

How to check for hardware malfunction:

1. Call from another phone to your Xiaomi – if the problem persists, it’s your device’s fault.
2. Use headphones to talk, and if it's sounding normal, it's a problem with the dynamics.
3. Write down a voice message (like WhatsApp) If the recording is distorted, the microphone is faulty.

If a hardware breakdown is confirmed, don't try to repair yourself - 90% of the time it makes the problem worse. Contact Xiaomi Service Center or checked repair. Average diagnostic cost: 300-500 ₽.

6. Hidden Sound Settings: Engineering Menu and MIUI Hidden Settings

Xiaomi has hidden settings that can affect the sound quality of calls, and changing them requires caution, but sometimes helps when nothing else is working.

Method 1: Engineering menu (for advanced users)

1. Open the dialer and type ##4636##.
2. Select Phone Information.
3. Scroll down to Set preferred network type.
4. Try LTE only or WCDMA only options (if you have problems with VoLTE).

Method 2: MIUI Hidden Settings (requires root or ADB)

If you have access to ADB, you can change the sound settings:

adb shell settings put global volume_voice_call 10

This command sets the maximum volume for calls (values from 0 to 15). Be careful - too high a value can lead to distortion.

⚠️ Warning: Changing hidden settings can cause the phone to function unstable.Before experimenting, back up your data via Settings → System and device → Backup.

7. Features of specific Xiaomi models

Some Xiaomi models have "innate" sound problems, and here are the most problematic ones:

• 📱 Redmi Note 10/10 Pro: Frequent complaints about silent sound in the speaker when calling. Solved by turning off VoLTE or firmware EU-rum.
• 📱 Poco X3/X3 Pro: Microphone problems on speakerphone. Fault in the audio driver helps reset to factory settings.
• 📱 Xiaomi 11T/11T Pro: High volume audio distortion. Corrected in MIUI 13.0.4 And newer, update the software.
• 📱 Redmi 9A/9C: Weak speaker out of the box. There is no solution - only a replacement for a louder one (for example, with the Redmi Note). 9).

If your model is on this list, first check the relevance of the firmware (Settings → About Phone → System Update).There are unofficial patches from the community for Redmi Note 10 and Poco X3 that improve sound - these can be found on the 4PDA or XDA-Developers forums.

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On the Xiaomi 12/13 series, the sound problem with calls is often related to the conflict between VoLTE and Wi-Fi Calling.

FAQ: Frequent questions about bad sound in Xiaomi