How to remove the sound of unlock Xiaomi: the complete guide

Daily use of Xiaomi’s smartphone is often accompanied by a plethora of beeps that, while useful, can be annoying. One of these intrusive melodies is the standard sound that is played when the screen is unlocked. For many users, this is unnecessary worry, especially in quiet rooms or in meetings, when the phone emits a characteristic click every time you touch the fingerprint scanner or enter a password.

With MIUI and the new HyperOS, the logic of managing system sounds is changing, often confusing owners. Standard switches in the Sound and Vibration menu do not always give the desired result, leaving the on/off-lock sound active.

In this guide, we will discuss in detail all the known ways to completely disable unlock audio on Xiaomi, Redmi and POCO devices. We will look at both standard methods through interface settings, and more advanced options for cases where standard menus do not help. You will learn how to manage system themes and understand why resetting sound settings can be the only right solution.

Standard sound and vibration settings

The first step in solving the problem is always to check the basic settings of the device. In most cases, the unlock sound is tied to the general system sound or the locking sound of the screen. To find these parameters, you need to go to the main settings menu and select the Sound and Vibration section, and this is where the main controls for the audio of your smartphone are concentrated.

Within this section, look at the "Additional Sounds" section, and this is where the switch that controls the interface's sound effects, including locking and unlocking, often hides, and depending on the firmware version, this switch can be called "Screen Lock Sound" or simply "System Sounds," and it should immediately stop playing the melody.

However, it is worth considering that in some MIUI shells, this switch may be inactive or absent if a specific design theme is activated. Third-party themes often have their own audio files that ignore system settings. So if the switch does not work, the problem may lie deeper in the customization of the interface.

It's also important to check the Do Not Disturb settings, and while this mode primarily blocks incoming calls, it's an advanced setting that allows you to turn off all system sounds, including interface sounds, which can be a temporary solution if you need to remove the sound urgently, but you don't have time to deal with the basic settings.

Managing system sounds through the Sound and Vibration menu

More detailed control over the system audio is provided in the advanced audio management menu. Here the user can not only turn on or off sounds, but also replace them with their own files or choose the option “No”. To access these settings, go to Settings → Sound and vibration → Notification sound (or similar item depending on the OS version).

You need to find the category that's responsible for system events in the list of available sounds. Often the unlock sound is associated with the screen lock sound. If there's a separate "Block" item in the list, click on it. The melody selection menu will open, where the "No" or "No" option is usually at the top of the list, and the choice of this item will guarantee that the audio signal will be removed.

⚠️ Warning: Be careful when resetting default sounds.If you accidentally set "No Sound" for system notifications, you may stop hearing important warnings about low battery power or system errors.

In the new versions of HyperOS, the menu structure has been changed, so that the control of unlock sounds can now be located in the “UI Sounds” subsection or integrated into the theme settings. If you can’t find the right item, try searching by settings by typing in “locking sound” or “system sound” that will save time and take you to the right section immediately.

And don't forget the physical volume buttons. In some scenarios, the unlock sound depends on the volume level of the media content or the system sounds. Make sure that the system effects volume slider isn't twisted to the maximum, although completely shutting down through the settings is a more reliable method than just lowering the volume.

The impact of design themes on system sounds

One of the most common reasons why you can't remove the unlock sound with standard methods is the active theme of the design. MIUI Themes allows developers to replace not only the visuals, but also the sound of the system. If you installed a third-party theme, it could bring its own unlock audio file, which is more important than system settings.

To check this, open the Themes app and go to the user profile (usually the person icon in the lower right corner). Select the Topics section and click on the current active theme. In the theme menu, find the "Apply the Default Theme" button or simply select the standard Classic or Default theme. After applying the standard theme, check if the unlock sound is missing.

If you go back to the standard theme, the sound is gone, so the problem was the customization. You can continue to use your favorite theme, but pre-edit it. In the Themes app, select your theme, click Setup (if available), and go to the Sounds section, where you can replace the unlock sound with No Sound or the standard system click, while maintaining the visual style.

It's worth noting that some global themes may not have a built-in sound editor, so the only way out is to use a standard theme or search for a modified version of your theme where the unlock sound has already been removed by the author, a common problem for users who like personalization but want silence.

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Before installing a new theme from the store, always listen to a demo version of sounds, if such an opportunity is provided, to avoid the appearance of unwanted tunes when unlocking.

Resetting sound settings to factory values

If the manipulation of the themes and switches did not help, there may have been a software failure in the system, and the settings of the audio profile "slipped", in which case the effective solution would be to reset the audio settings to factory values, this action will not affect your personal data, photos or contacts, but will return all audio parameters to their original state.

To perform the reset, go to Settings → Advanced Settings → Backup and Restore. However, the faster way is available through the app settings recovery menu. Find Settings (the gear icon) in the app list, go to Memory and select Clear Everything. Be careful: this step will reset all system settings, including Wi-Fi passwords and alarms, so the unlock sound will be exactly propane, but you will have to reset the phone.

A more gentle option is to reset only audio settings through the engineering menu or special codes, but on Xiaomi global firmware they are often blocked. So if you don't want to reset the entire phone, find the system sounds file in the file system, but this requires root rights, which is not recommended for ordinary users.

It's important to understand that resetting is a radical measure. Before you use it, make sure you've tried all the soft methods. Often, simply rebooting your device after changing the theme is enough to make the system pick up the lack of sound.

Features of work in the mode “Do not disturb”

Xiaomi’s Do Not Disturb mode has flexible settings that can indirectly affect the way it plays system sounds, and while its primary purpose is to block calls and notifications, it also has options that prevent any sounds, including interface sounds, from being played.

You can activate this mode through the notification curtain or in the Sound and Vibration settings. → Don't disturb. Within the mode menu, look for behavior or allow sounds. If you have a limit on all sounds, when you activate the mode, you will unlock silently. This is convenient to use at night or in the movies.

However, relying on this mode to permanently turn off the unlock sound is inconvenient, as it needs to be turned on and off every time.More advanced users can configure automation through the Scenarios app (built into MIUI) so that the Do Not Disturb mode is turned on automatically when connected to home Wi-Fi or at certain times of the day.

⚠️ Warning: Do Not Disturb mode may turn off alarm clocks unless the appropriate exceptions are set. Check the exception settings to avoid sleeping over an important event.

Also worth mentioning is the Pocket Mode or In-Pack feature, which sometimes affects speaker behavior. Although it is rarely directly related to unlock sound, incorrect proximity sensor operation can lead to strange audio artifacts when removing the phone from your pocket, which users confuse with unlock sound.

Alternative methods and work with system files

For advanced users with Root rights, there is a way to physically delete or replace the unlock audio file. Android unlock sound is usually stored along the path /system/media/audio/ui/. The file may be called Unlock.ogg or have a similar name depending on the regional version of the firmware.

Using a file manager with access to the system partition (such as Root Explorer or MT Manager), you can rename this file or replace it with an empty audio file. This method is the only 100% guarantee of silence, but requires unlocking the bootloader and obtaining root rights, which voids the warranty.

Another method is to use automating applications like Tasker or MacroDroid, which can create a macro: "If the screen is unlocked → Set the media/system volume to 0." One second after unlocking, you can turn the volume back up, which is a complicated path that requires tuning, but it works without root rights on some models.

For most users, the best solution is to combine the theme change to standard and check the option “Additional Sounds”, which is safe, reversible and in 95% of cases solves the problem of intrusive sound when unlocking the Xiaomi screen.

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The fastest way to remove the sound is to temporarily apply the standard theme, turn off the sound in the settings, and then return your theme.

Frequently Asked Questions (FAQ)