How to remove the sound limiter on Xiaomi: ways to bypass hearing protection

Many Xiaomi, Redmi and POCO smartphone owners face an intrusive warning to exceed a safe volume level. European regulations require manufacturers to limit the maximum power of speakers to protect users' hearing from damage. However, for many enthusiasts and music lovers, a full-time 100% volume is often not enough, especially when listening to music in noisy places or watching movies.

Xiaomi’s policy on this issue is strictly EU law, which leads to forced downgrades even on global firmware. Fortunately, there are proven methods to circumvent this software limitation. In this article, we’ll detail how to turn off the volume alert and return the device to its full acoustic potential without having to obtain superuser rights.

It is important to understand that increasing the maximum volume beyond the factory limits can lead to sound distortion or, in rare cases, damage to the speaker during prolonged operation at the limit of capabilities. Before starting manipulations, assess the risks and act carefully so as not to damage the hardware of your gadget.

Causes of restriction and impact on hearing

The main reason for the pop-up is a directive of the European Union, which sets a limit on the sound pressure level in the headphones at 85 dB. Smartphones Redmi and Xiaomi, supplied to the European region, software block the possibility of raising the volume above this threshold.

The limiter works at the level of the Android operating system and the MIUI shell or HyperOS. When you try to unscrew the volume slider to the end, the system forcibly returns it to a safe level. This creates discomfort, since even 100% of the standard volume can be quiet for modern tracks with high dynamic range.

⚠️ Warning: Long-term listening to music at maximum volume, especially with headphones, can lead to irreversible hearing loss. Use high volume only when necessary and try to take breaks.

There is a misconception that the restriction is only for headphones. In fact, the system limit often affects the external speaker, especially when playing multimedia, and developers implement these measures to avoid legal consequences and users' health complaints, but for technically literate people, this becomes an obstacle that can be avoided.

πŸ“Š How often do you have a lack of volume?
All the time, I can barely hear.
Sometimes in noisy places
Only with headphones.
I'm fine with it.

Disconnection through standard MIUI and HyperOS settings

The first and most secure method does not require a computer connection or third-party software installation, but a one-time warning confirmation, after which the system can "remember" the user's choice, and you first need to enable playback of any audio file or video to activate the slider to adjust the sound.

Turn the volume to the end. When the high-sound dialog box comes up, press OK or I get it. In some versions of MIUI, the limit is then removed until the next device restarts. If the problem comes back after you restart, try the following action algorithm:

  • πŸ”Š Press the volume button and wait for the slider to appear.
  • ⚠️ When the warning appears, press β€œOK” quickly and immediately turn the volume to maximum.
  • πŸ”„ Repeat the procedure. 3-5 Once in a row, so that the system considers it your constant choice.

This method does not work on all versions of the operating system, as Xiaomi engineers periodically change the logic of audio drivers. However, it is worth trying with this, since it does not carry any risks to the warranty and software. If you can not remove the limit with regular means, move to more advanced methods.

πŸ’‘

Try changing the equalizer in the sound settings before removing the restriction. Sometimes the preset "Bright" or "Bas" visually and acoustically compensates for the lack of volume.

Using an engineering menu to calibrate sound

The Engineering Menu is a hidden part of the system designed to test hardware components, and it provides access to advanced audio settings, including gain calibration, and Xiaomi devices use a special code in the Phone app to enter this mode.

Dial the combination ##3646633## or ##6484##. If the first code doesn't work, the second will open the Testing Menu (CIT), where you can also find sections related to sound. In the classic engineering menu, you will need to go to the Hardware Testing tab, then select Audio and Audio Debug.

Inside the menu, find the setting that determines the type of sound (usually Media or Ring) and you can change the Gain for different scenarios, be very careful: setting too high a score can cause the speaker to wheez or burn out, and it is recommended to increase the values gradually, by 5-10 units, checking the result.

ParameterDescriptionRecommended value
Level 0Minimum volumeChange
Level 1-3Medium levels+10 to drain
Level 4-5Maximum volume+15 to drain
Max GainLimiting reinforcementUp to 160.

After making changes, be sure to press the Set or Apply button to save the settings.Rebooting your smartphone will fix the result. If the sound becomes distorted or there is a crack, immediately return the default values via the Default button in the same menu.

β˜‘οΈ Check before changing the engineering settings

Done: 0 / 4

Lifting the restriction through ADB-team

The most efficient and flexible way is to use the Android debugging bridge (ADB), which allows you to send system commands directly, bypassing the GUI restrictions. To work, you will need a computer (Windows, macOS or Linux) and installed ADB drivers.

First step, activate the developer mode on your smartphone. Go to Settings β†’ About phone and quickly press 7 times on the item Version MIUI (or OS). Then in the extended settings, include the item USB-Debugging. Connect your phone to your computer with a cable and confirm the debugging request on your smartphone screen.

Open the command prompt or terminal on your computer in the ADB folder and enter the following command to check the connection:

adb devices

If the device appears in the list, you can move on to modify the system properties responsible for safe volume. The command below changes the global setting that prohibits warnings:

adb shell settings put global audio_safe_volume_state 1

In some cases, you may need to change regional settings through ADB, as the restriction is tied to the region. Changing the region to Singapore or India through the phone settings often works more efficiently, but through ADB you can force the setting:

adb shell am broadcast -a com.android.settings.COMMAND_CHANGE_REGION --es region SG

⚠️ Attention: Misuse of the right ADB-The commands can cause the system to be unstable, and enter the commands exactly as they are specified, observing the letter register and spaces.

Once you've done the commands, restart the device. Check the volume level. If the limit is removed, you can unscrew the slider to the end without a warning window, which is considered the safest method among advanced ones, since it doesn't change the system files of the firmware, but only changes the configuration variables.

Changing the region as a way to bypass protection

The logic of the volume limiters depends on the chosen region in the settings of the smartphone. In the EU, strict regulations are in place, while in Asia (China, India, Singapore) or some CIS countries, restrictions may be absent or less strict.

To implement this method, go to Settings β†’ Additional Settings β†’ Region. Change your current region to any region outside the EU’s strict regulatory area, such as Singapore, Malaysia or the United States. Once you change region, your phone may need to reboot or simply apply new audio profile settings.

The effectiveness of the method varies depending on the version of MIUI. On new versions of HyperOS, region binding has become tougher, and a simple change of location may not remove the software limit if the firmware is global (Global ROM).

  • 🌍 Change the region in the settings to SingaporeΒ».
  • 🧹 Clear the data of the Settings application (Settings) β†’ Annexes β†’ All applications β†’ Settings β†’ Clear the data).
  • πŸ”Š Check the volume slider immediately after cleaning without restarting the phone.

It is worth noting that changing the region can affect the performance of some local services, weather widgets and news feed Mi. If you notice a failure in these features, return the region by checking first if the removal of the volume limit is maintained.

Why does the change of region help?
Android downloads audio profiles that comply with the laws of the selected country, and the EU profiles have a strict limit of 85 dB, while for other countries this limit can be raised to 100 dB or higher, which allows you to twist the volume more strongly.

Third-party applications for sound amplification

If system methods seem too complex or do not produce the desired result, you can use third-party software from the Google Play Store. There are many equalizer applications and boosters that programmatically amplify the audio signal after it passes through system filters.

Popular solutions include the Volume Booster GOODEV, Bass Booster, or built-in features in players like Poweramp, which create an extra layer of gain to exceed the standard 100%, but consume more battery life and can introduce digital distortion (clipping) at maximum values.

When using such programs, it is important not to overdo it. Amplification above 20-30% often leads to the sound becoming hoarse and illegible, and the speaker is working with overload. Use boosters dosed only when the standard volume is really not enough.

πŸ’‘

Third-party boosters are software-based signal amplification that does not remove the system constraint, but bypasses it from the top, which can affect the sound quality and battery life.

Possible risks and consequences of the intervention

Modifying system sound settings, even through secure ADB-The main danger is the physical integrity of the speakers. The staffing limit is not just set: it prevents the membrane from being fed a voltage dynamic that exceeds its design power.

With prolonged sound playback at the maximum volume (after removing the restrictions), the sound coil may overheat, leading to wheezing, distortion or complete failure of the speaker. In addition, in some cases, aggressive changes in audio profiles can cause a software conflict that requires resetting to factory settings.

The manufacturer’s warranty can be waived if it is proven that the speaker breakage is caused by software interference with the audio system. So before making changes, weigh the need for maximum volume and the possible consequences for the hardware of your Xiaomi or Redmi.

Will the volume setting reset after the firmware update?
Yes, when you upgrade or reset to factory settings, all the changed settings, including the ADB and engineering menu settings, will likely be returned to their original values.
Does lifting the restriction affect the Bluetooth headphones?
Most of the time, yes. System limit often applies to all audio outputs, including Bluetooth. However, some Bluetooth devices have their own volume limits that can add up to the phone's settings.
Can I remove the warning permanently without Root rights?
You can't completely remove the system app that's responsible for the warning without the Root rights, but using ADB commands or changing the region allows you to make sure that the warning stops appearing and blocks the volume increase.
Why does the volume drop again after the reboot?
This behavior is typical for some versions of MIUI that reset the audio profile when the system starts, in which case only the creation of an auto-start script (requires additional applications) or the use of a booster that starts automatically helps.
Is it dangerous to use the Volume Booster all the time?
Constant use of maximum amplification through third-party applications significantly reduces the life of the speaker, and it is recommended to use such functions only occasionally when ambient noise interferes with normal sound perception.