Modern Xiaomi, Redmi and Poco smartphones are equipped with advanced audio systems that require a competent setup for comfortable use. Often users are faced with a situation where standard buttons on the case are not enough, and the sound in applications is different from the volume of the call. Understanding the intricacies of the menu allows you to unlock the potential of speakers by one hundred percent.
The MIUI shell and the new HyperOS have sophisticated signal processing algorithms that can both improve and impair audio perception. Incorrect equalizer configuration or latent function activation sometimes results in users simply not hearing the person or music, which is why it is important to understand basic and advanced parameters.
This guide will help you not only add sound, but also personalize it to your preferences. We will look at standard sliders, hidden engineering menus, Bluetooth headset settings and methods to combat software constraints.
Basic management of sliders and physical buttons
The most obvious way to change the sound level is to use the buttons on the side of the body, but depending on the context, these buttons control different parameters. In standard mode, when you're on the desktop, pressing adjusts the volume of the call, which is a multimedia level that is often confused with the main one.
If you run a YouTube video or music on Spotify, those same physical keys switch to media flow control, and to get full control, you press a button and immediately tap the gear icon or three dots that appear on the screen, and this action will reveal the full mixer.
In the extended menu, separate sliders are available for:
- ๐ Ringtona ringtone)
- ๐ต Multimedia (video, games, music)
- ๐ Notifications (messages, push notifications)
- ๐ Alarm clock
- ๐ฎ System sounds (keyboard clicks, locking)
Separating these channels allows you to, for example, make a loud call, but make the notifications of messengers quiet, especially in the office or at night. Note that the media slider is the main thing when viewing content.
The split volume function (Separate App Sound)
One of the most useful but often overlooked features in Xiaomi smartphones is the ability to customize the sound separately for different applications, which allows you to assign audio output from a particular application to a Bluetooth headset while the rest of the phoneโs sound will go through the speaker, or vice versa.
To activate this feature, you need to go to the settings menu. The path may vary slightly depending on the version of the shell, but it usually lies at Settings โ Sound and Vibration โ Separate setting of the application sound. Here you select the desired application from the list, for example, a navigator or messenger.
Once the system is selected, they'll be asked to connect the output device.
- ๐ง Connected Bluetooth headphones
- ๐ฑ Phone speaker
- ๐ Wired headset (if supported)
This solution is ideal for drivers who want to hear navigation through the car speakers and listen to music through the phone, or vice versa.
Set up equalizer and Dolby sound effects
The quality of music and movies playback depends on the right settings of the equalizer. In Xiaomi smartphones, this is the responsibility of an integrated module, often based on Dolby Atmos technologies or the companyโs own developments, accessed through the Settings menu โ Sound and vibration โ Sound effects.
Here, the user can choose one of the following (pop, rock, jazz) or create a profile. Adjusting the frequency bands allows you to compensate for the shortcomings of speakers or headphones. For example, raising low frequencies will add bass, and medium ones will make speech clearer.
Important parameters in this section:
- ๐๏ธ Virtualizer: creates surround sound effect, useful for movies.
- ๐ Volume amplifier: software level increase above standard.
- ๐๏ธ Balance: distribution of sound between left and right channel.
Be careful with the volume amplifier. Excessive magnification can lead to loudspeakers wheezing and rapid wear, and use this tool only when the standard level is really not enough.
Hidden settings and engineering sound menu
For advanced users who donโt have enough standard sliders, there is an Android engineering menu, and on Xiaomi phones, you can log in through a special code set in the Phone app. Enter the combination ##6484## or #3646633###.
Once you log in to the menu (the interface may vary depending on the MediaTek or Qualcomm processor), you need to find the Hardware Testing tab, then go to Audio. Here you can find deep settings for the microphone and speakers gain. Be extremely careful: changing the values here can lead to overloading of the audio codec.
The main sections for setting up:
- ๐ค Microphone: adjusting the microphone sensitivity when talking.
- ๐ Speaker: strengthening the main dynamics.
- ๐ง Headset: separate settings for wired headphones.
Inside each mode (e.g. Normal, Headset, Speakerphone) there are Digital Gain sliders, which increase volume but reduce sound quality and add noise, and it is recommended not to raise values above 100-120 units unless absolutely necessary.
โ ๏ธ Warning: Changes to the engineering menu may cause permanent damage to the speakers or loss of warranty.All actions you perform at your own risk.
Volume problems in Bluetooth headphones
A common problem with Xiaomi users is to de-synchronize the volume of the phone and Bluetooth headset, so you spin the slider on your smartphone to the maximum, and the headphones still sound quiet, and this is due to the Absolute Volume protocol, which tries to combine control.
Sometimes this protocol doesn't work properly with certain headphone models. To fix this, you can try turning off the absolute volume through the developer menu, clicking on the build number 7 times in About Phone, then in Advanced Settings, find Turn off absolute volume.
Itโs also worth checking the settings of the player app itself. Some players have their own equalizers that can limit maximum output. In addition, there is sometimes a separate volume slider in the Bluetooth settings of a particular device (through a gear next to the headphone name).
Table: Comparison of volume-raising techniques
To organize the information, consider the main ways of adjusting and their effect on the device, and the choice of method depends on your goal: whether you want to just make the sound louder or adjust its quality.
| Method | Impact on quality | Risk of damage | Difficulty |
|---|---|---|---|
| Standard sliders | No change. | Absent. | Low. |
| Equalizer / Dolby | Improves detailing | Minimum | Medium |
| Engineering menu | Could add noise. | High-pitched | Tall. |
| Third-party annexes | It often gets worse. | Medium. | Low. |
Using third-party booster apps from Google Play often has a temporary effect, but they can conflict with MIUI system drivers.
Resolving problems with quiet sound
If the sound is quiet after all the settings, the problem may not be the software, but the physical condition of the device. Smartphone speakers are often clogged with dust, pocket pile and dirt, which mechanically blocks the output of the sound wave.
Use a soft brush or a special Velcro to clean, it is strictly forbidden to use sharp metal objects or blow with your mouth (humid air is harmful), and check whether the system has a "India" or "Europe" region - some versions of firmware for different regions have programmatic limits of maximum volume (legislation).
Changing the region in settings (Settings โ Additional settings โ Region) to โUSโ or โNevadaโ will sometimes unlock the hidden volume potential, as these states have milder decibel standards, but this can affect the performance of some system applications.
โ ๏ธ Attention: If the sound has disappeared abruptly after a phone drop or moisture hits, the software settings will not help.