Changing a standard call is not just a whim, but a necessity that allows you to instantly recognize your phone in a noisy room or among a dozen other gadgets. Xiaomi Mi 9 has a high-quality speaker that is able to play complex musical compositions with deep bass, so owners are sinful to limit themselves to standard horns. However, the MIUI shell installed on the device has its own features of a file system that often baffles newcomers.
Unlike many other Android smartphones, where it is easy to copy a file to the root of memory, you need to know the exact path to the system folders, otherwise the system simply “will not see” the new track. The process of personalizing the sound involves not only setting the general melody of the call, but also setting up notifications for individual applications and contacts. In this article, we will discuss in detail all the nuances of working with audio files on your device.
Despite the seeming complexity of the directory structure, the whole procedure takes no more than a couple of minutes, if you know exactly where to put the file. MIUI is a powerful add-on over Android, which requires certain rules to be followed for the proper operation of multimedia. Let's figure out how to make your phone sound exactly the way you want, using built-in tools or third-party tools.
Preparation of an audio file for installation
Before moving files through system folders, you need to make sure that the audio file itself meets the technical requirements of the system. Xiaomi Mi 9 copes perfectly with MP3, AAC and M4A formats, but for system ringtones it is best to use a classic MP3 with a bit rate of at least 128 kbit / s. Too high quality (for example, Lossless FLAC) can be incorrectly handled by a standard caller, causing delays or misses in the start of the track.
It's also important to consider the length of a song. Systemic constraints often prevent you from setting a melody that's too long as a contact call, in which case the sound may be cut or not played at all. The optimal duration is 15 to 40 seconds, and if you downloaded the full version of the song, you need to pre-cut it.
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Use online services to trim mp3, so as not to clog the phone memory with unnecessary editorial apps.
You can use a built-in clipping voice recorder or specialized applications like MP3 Cutter to edit the file. After processing, the file must be saved in a location accessible to the file manager, such as the Downloads or Music folder. Make sure the file name does not contain special characters that can cause read errors in older versions of Android.
- 🎵 The file format should be MP3 or M4A for maximum compatibility.
- ⏱️ The ideal duration of the ringtone — 20-30 seconds.
- 📂 The file name is better written in Latin to avoid encoding errors.
- 🔊 Check the volume of the file before installing so that the call is not too quiet.
Search for system folders for ringtones
The key to the whole instruction is the right placement of the file. In the Android operating system, and in MIUI in particular, there is a strict hierarchy of folders. If you just put the music in the root of the internal memory, the phone will see it as a track in the player, but not as a system call. You need to find the hidden or specific directory of MIUI or Ringtones inside the folder structure.
Modern versions of Android restrict access to system partitions, but folders for custom media files remain open, so you need to go to the internal storage and find a folder called MIUI, which is where the subfolders for different types of sounds are located, and this is the standard path that works on most of the brand's devices.
What if the MIUI folder is not visible?
Inside the MIUI folder, you'll find several subdirectories, each of which is responsible for its own type of sound. To set the ringtone ringtone, to set the ringtone, to send the notification, and to alarm, it's not recommended to confuse them, because this will lead to the track appearing in the wrong settings menu.
| Type of sound | Target folder | The way in the system |
|---|---|---|
| The ringing melody | ringtone | Internal memory/MIUI/ringtone |
| Notifications (SMS) | notification | Internal Memory/MIUI/notification |
| Alarm clock | alarm | Internal memory/MIUI/alarm |
| The sound of lockdown | ui_sound | Internal memory./MIUI/ui_sound |
Installation of the melody through the Conductor
Once you have copied the audio file to the desired folder, you need to activate it correctly in the system. The most reliable way is to use the standard Explorer. Open the Explorer application on your desktop and go to the Music section or manually follow the path we discussed in the previous section.
Find your file in the ringtone folder. Press it and hold your finger until the context menu appears. In the action list, select "Use as" or "Install as." The system will offer options: "Call melody," "Notification sound" or "Alarm clock sound." Choose the desired option, and the setting will apply instantly.
☑️ Checking the ringtone installation
Sometimes, once a file is moved to a folder, it doesn’t appear in the list of available tunes right away, which may require a smartphone reboot or a cache cleanup of the Sound app. However, on the Xiaomi Mi 9, the list update usually occurs automatically in the background.
If you want to set a melody for a particular contact, the algorithm changes a little bit: you have to open the Contacts app, select the right subscriber, and click Change. In the editing menu, find the Melody field and select Add or Select from memory, and then specify the path to your file, which will allow you to personalize calls from important people.
Setup via the Sound and Vibration menu
An alternative and more traditional way to change a call is through system settings, which is convenient because it allows you to immediately estimate the volume and vibration. Go to Settings → Sound and vibration. Here you will see the section "Call Melody." Click on it to open the system audio player.
In the list that opens, you'll see standard Xiaomi tunes and, if you've done everything right, your file is at the bottom or top of the list. MIUI often sorts tracks by date of addition or alphabet. Once you select a track, you'll hear its preview. Don't forget to also adjust the vibration pattern by clicking on the appropriate button next to the melody selection.
You can set up a separate audio for notifications from different apps in the same menu, scroll down to "Notification Sound" or "Additional Sounds," and you can assign unique signals to messages from messengers if they support system notifications, or for system events like low battery power.
Note the volume slider. The Xiaomi Mi 9 has volume separation for media, bells and alarms. Make sure you don't mix them up when testing. Pocket Mode is also available in this section, which increases the volume of the call when the phone is in the bag.
Using the theme of design to change the sound
Xiaomi's ecosystem offers a unique way to customize it, through the Themes app, not just by changing icons, but by completely replacing system sounds. Go to the Themes app, find the Sounds section, or search for Ringtone.
You can download pre-made sound packages that designers have designed specifically for MIUI, and the advantage of this method is that the sounds fit harmoniously into the overall style of the system, and once you load the sound package, you can apply it even if you don't change the visual theme completely.
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The Themes app allows you to download audio packets without having to manually search and copy files through the Explorer.
However, this method has a disadvantage: many quality audio packages are paid or require viewing ads to activate. In addition, you depend on Xiaomi servers, and if the package is removed by the author, the sound may disappear. For permanent ringtones, it is better to use the method of copying files described above.
If you downloaded a theme but the sound didn’t apply, check the theme settings. Go to the user profile inside the theme app, select My Pages → Topics and make sure the theme is applied, or try applying only sounds from that theme through the customization menu.
The Solution: Why the Melody Doesn't Work
It's not always easy to install. Users often have a file in a folder that's not in the settings, or it's not playing. One of the reasons is file formatting. DRM-protection (bought in a music store) or coded in a rare codec, Xiaomi Mi 9 will refuse to play it as a system sound.
Another problem is (access rights): In newer versions of Android, apps are not allowed to read files from one folder and write to another. If you used a third-party file manager, make sure you gave him permission to access all files, without which he can "see" the file, but can not transfer it to the system for installation.
⚠️ Note: If after setting the melody, the phone only makes a short squeak instead of music, it is likely that the file is damaged or its bitrate is too high for the system call decoder. MP3 128kbps.
It’s also worth checking whether Do Not Disturb or Silent Mode is enabled. MIUI has smart modes that can automatically turn off the sound at a specific time or place. Go to Do Not Disturb settings and make sure that calls from selected contacts or repeat calls are not blocked.
- 🔇 Check if the silent mode is activated with physical buttons or in the curtain.
- 📁 Make sure the file is in the folder. MIUI/ringtone, Not Music.
- 🔄 Restart the device if the tone list is not updated.
- 📉 Reduce the file size if it weighs more 1-2 MB.
Set up vibration and additional parameters
Sound is only half the success. The Xiaomi Mi 9 features a powerful vibrator that can be customized for each contact or notification type. From the Sound and Vibration menu, select Vibration. Here you can preset patterns, but you can create your own rhythm by tapping on the screen.
For high-priority contacts (like Mom or Work), it is recommended to set up what is called "Call in your pocket," a feature available in some versions of MIUI that makes the phone vibrate and ring louder when the proximity sensor is closed (phone in your pocket).
How do you create your own vibration?
Remember the balance between sound and vibration. If you have vibration on your bell, but you're in a quiet place, your phone can rattle on your desk. In the sound settings, there's a Vibration on Call option that you can turn off by just leaving the music or adjust the intensity of the sound.
⚠️ Warning: Excessive use of complex vibration patterns and installation of very loud, bass ringtones can drain the battery faster, as the vibrator motor and speaker consume significant energy.
The final setup should be comfortable for you. Don't be afraid to experiment with duration and volume. Remember that the Mi 9 has stereo speakers, and the quality tracks will sound significantly better on it than on budget models.