Speaker in Xiaomi devices is not just a feature for hands-free communication, but a key element of comfortable communication. It is responsible for the voice of the interlocutor during calls, the work of voice assistants and even playback sounds in some applications. However, many users face problems: quiet sound, distortion, complete absence of sound or automatic switching to the main speaker. In this article, we will discuss all the nuances of setting the conversational speaker on smartphones, tablets and Xiaomi smart watches, including hidden developer parameters and solutions to typical malfunctions.
Feature of Xiaomi devices - flexible firmware MIUI, But these settings are often hidden in deep menus or require developer mode activation, and we'll show you how to access them without risking damage to the system, and we'll also explain which parameters are responsible for sound quality in the conversational speaker. Special attention will be paid to models with stereo speakers (for example, Xiaomi 13 Pro or Xiaomi 13 Pro). POCO F5), where the setting is complicated by the need to balance the sound between the top and bottom speakers.
If you notice that the person you're talking to is not hearing well or the sound is becoming muffled, don't rush to bring the phone to the service. 80 percent of the time, the problem is solved in software, and we'll describe each step in detail. MIUI 14 added up-to-date screenshots and video instructions based on the latest interface updates.
What is a Speaker and How Does It Work in Xiaomi?
A speaker (or earpiece) is a small speaker located at the top of a smartphone screen, whose primary purpose is to convey the voice of the interlocutor during calls. Unlike the main (multimedia) speaker, it is optimized for speech playback in a narrow range of frequencies (usually 300-3400 Hz), which provides better legibility at low volume.
In Xiaomi devices, the speaker can be used for other purposes:
- ๐ Playing voice messages in messengers (WhatsApp, Telegram)
- ๐ค The work of voice assistants (Google Assistant, Alice)
- ๐ Sound notifications (in some models)
- ๐ต Playing music in the mode of "economical sound" (on old models)
Starting with MIUI 12, Xiaomi has introduced Smart technology PA (A sound amplifier that automatically adjusts the volume of the speaker to the level of external noise, but this function does not always work correctly, especially in noisy rooms.+) The speaker is used as part of the stereo system when watching videos โ this requires a separate balance adjustment.
โ ๏ธ Attention: On devices with AMOLED-screens (e.g. Xiaomi) 12T or POCO X5 Pro) the speaker is often combined with the vibrator in one module, and a careless disassembly of the body can cause both components to break down simultaneously.
Checking the efficiency of the conversational speaker
Before you start setting up, make sure the problem is not hardware.
- Call another phone and check if the voice of the interlocutor is heard through the speaker.
- Turn on the Google Assistant and ask a question โ the answer should sound from the top speaker.
- Record the voice message in WhatsApp and listen to it through the conversational speaker (in the playback settings, select "Dynamic").
If the sound is not at all or it is very distorted, the problem may be:
- ๐ Dynamic pollution (dust, moisture)
- ๐ง Damage to plume or contacts
- ๐ฑ Software failure
- ๐ Faulty sound amplifier (smart chip) PA)
You can use the engineering menu to diagnose hardware problems.
- Open the Phone app.
- Enter the code: ##4636###.
- Select the item Phone Information โ Dynamics test.
If the engineer menu doesn't have a speaker that passes the test, and the main speaker is working normally, that's a reason to go to the service center. If the test passes, but there's no sound when calling, the problem lies in the settings. MIUI.
Basic setting of the conversational speaker in MIUI
Let's start with the standard settings that are available without activating the developer mode, and these parameters affect the volume, balance, and behavior of the speaker during calls.
Open Settings โ Sound and vibration and pay attention to the following points:
- ๐ Call and notification volume โ regulates the overall sound level, but does not directly affect the speaker.
- ๐ Volume of conversation - here you can increase the volume of the interlocutor's voice (slider "Amprovement of voice").
- ๐ Routing of sound โ allows you to choose which speaker to play the sound through (in some firmwares).
- ๐ง Bluetooth settings โ if headphones are connected, the sound can automatically switch to them.
For a more subtle setting, go to Settings โ Special facilities โ Hearing settings are available here:
- ๐ Mono audio โ combines sound from both speakers into one (useful for stereo balance problems).
- ๐ Left/right channel balance โ adjustment for hearing-impaired users.
- ๐ Sound amplification โ increases the volume for the hearing impaired (may lead to distortions).
If the sound remains quiet after these manipulations, try resetting the sound settings to factory:
- Go to Settings โ System and device โ Resetting.
- Select Resetting Sound Settings.
- Confirm the action and restart the device.
โ ๏ธ Note: On some models (Xiaomi) 12S Ultra, Mix Fold 2) resets sound settings also resets individual Dolby Atmos profiles.
โ๏ธ Checking before setting up
Hidden settings of the conversational speaker (developer mode)
To access the advanced sound settings, you need to activate the developer mode, which will allow you to configure the Smart amplifier. PA, calibrate the microphone and even change the frequency characteristics of the speaker.
How to turn on the developer mode:
- Go to Settings. โ The phone.
- Click 7 times on the MIUI version (you are a developer!).
- Go back to the main settings menu and open a new section for developers.
Now find the following options (they may vary depending on the model and version). MIUI):
| Parameter | Recommended value | Description |
|---|---|---|
| USB debugging | On. | It is necessary for use ADB-team |
| Absolute volume level | Out. | Can limit the maximum volume |
| Turn off absolute volume. | On. | Unlocks the full volume range |
| Microphone calibration | Run the test. | Checks the sensitivity of the microphone |
| Setting up Smart PA | Manual mode | Allows manual adjustment of gain |
Pay special attention to the setting of Smart PA. In some firmware, it's hidden behind an extra menu to open it:
- In the section For developers, find the settings of the equipment.
- Choose Audio. โ Smart PA Gain.
- Set a 150% value for maximum gain (but this can lead to distortions!).
On models with a Qualcomm Snapdragon 8 Gen 2 chip (for example, Xiaomi 13 Pro), changing the Smart settings PA It is recommended that the developer mode can cause the audio chip to overheat%.
๐ก
If you change the parameters of Smart PA the sound has become hoarse, return the values to the factory and clear the cache of the Settings application (in the application menu) โ Warehouse โ Clear the cache).
Configure the conversational speaker through ADB-team
For advanced users who are willing to work with ADB, And you can use commands to deep-calibrate the sound, and this is a way to get around the limitations. MIUI and manually set the amplifier parameters.
What you need:
- ๐ฅ๏ธ Computer with drivers installed ADB and Fastboot
- ๐ฑ Included debugging by USB smartphone
- ๐ Cable USB Type-C (preferably original)
The main commands for setting up the conversational speaker:
# View current audio settings
adb shell dumpsys audio
Setting the maximum volume for the speaker (value from 0 to 15)
adb shell settings put global volume_music_speaker 15
Including monosound (channel combination)
adb shell settings put global force_mono_audio 1
Resetting all sound settings
adb shell cmd audio reset-settingsFor models with MIUI 14 new commands linked to Dolby Atmos added:
# Including Dolby for voice calls
adb shell settings put global dolby_atmos_enabled_for_voice 1
Set up a Dolby profile (0 off, 1 movie, 2 music, 3 voice)
adb shell settings put global dolby_atmos_profile 3After applying the commands, be sure to restart the device. If the sound gets worse, return the settings to the factory with the command adb shell cmd audio resettings.
โ ๏ธ Note: On devices with MediaTek Helio (e.g. Redmi Note 11) commands ADB for setting up Smart PA They may not work because of the manufacturer's limitations, and in this case, only the firmware of the custom core will help.
What if the ADB does not recognize the device?
Solving Typical Problems with a Speaking Speaker
Even after setting up correctly, Xiaomi users often face typical problems, including the most common ones and ways to fix them.
1.Silent sound during calls
Reasons:
- ๐ Volume limitation in settings MIUI
- ๐ Smart calibration failure PA
- ๐ฑ Contamination of speaker or microphone
Decisions:
- ๐ง Increase the volume in the settings โ Sound. โ Volume of conversation
- ๐ Reset the sound settings (see section above)
- ๐งน Clean the speaker with a soft brush or compressed air
- ๐ฒ Update the firmware to the latest version MIUI
2.The sound is distorted or interrupted
Reasons:
- ๐ Excessive gain in Smart PA
- ๐ถ Poor quality of mobile communication (Volte codecs)
- ๐ Failure of the audio chip
Decisions:
- ๐ง Reduce Smart's gain PA up to 100-120%
- ๐ก Turn off VoLTE in Settings โ SIM-maps and mobile networks โ Challenge 4G
- ๐ Perform reset to factory settings (save data!)
3. The sound only goes through the main speaker.
Reasons:
- ๐ Incorrect routing of sound
- ๐ฑ Failure to work MIUI
- ๐ง Damage to the plume of the conversational speaker
Decisions:
- ๐ง Enable Mono audio in the special features settings
- ๐ฒ Restart the device in Safe Mode (hold the power button) โ "Safe regime")
- ๐ง Execute the command through ADB: adb shell settings put global force_speakerphone_on 0
If the problem persists after all the manipulations, it is a sign of hardware malfunction. At Xiaomi service center, it costs 1,500-3,000 to replace the conversational speaker. โฝ model-wise.
๐ก
Before visiting the service center, be sure to back up the data through Settings. โ Additionally. โ Backup and reset.After repair, a complete reset of the device may be required.
Setting up a conversational speaker on smart watches and fitness bracelets Xiaomi
Xiaomi smartwatches and bracelets (such as Mi Band 8, Xiaomi Watch 2 Pro) also feature a conversational speaker for receiving calls.
For the Xiaomi Watch 2 Pro:
- Open the Mi Fitness app on your smartphone.
- Go to Profile. โ My devices. โ Settings of the clock.
- Select Notifications โ Call and activate the option to play in hours.
- Adjust the volume in the Sound and Vibration menu on the watch itself.
For Mi Band 8 (with Call Support):
- ๐ Calls are automatically redirected to the bracelet if the smartphone is within a radius of 10 meters.
- ๐ Volume is regulated only on the connected smartphone in the Mi Fitness app.
- ๐ When the battery is low (15%), the hands-free function is turned off.
General recommendations for wearable devices:
- ๐ง Update the firmware of the watch through the Mi Fitness app.
- ๐ฑ Reconnect the watch to your smartphone if the sound is gone after the update.
- ๐งผ Rub the watch speaker with an alcohol wipe once a month (sweat buildup makes the sound worse).
โ ๏ธ Attention: On Xiaomi Watch S1 watch S1 Pro speaker is also used to play voice messages from WeChat. If the sound in the messenger is quiet and during calls is normal, check the notification settings in the application itself.