How to customize different tunes for each SIM-maps on Xiaomi MIUI 12: Complete guide

Modern Xiaomi smartphones based on the shell MIUI 12 allow you to use two SIM-So, if you're looking at a card at the same time, it's the perfect solution for people who share work and personal contacts, but how do you make sure you know which SIM is being called before you even look at the screen? SIM-This feature not only makes life easier, but also adds personalization to your device.

Unfortunately, not all users know that this is a possibility, it is often hidden in the depths of settings. Moreover, depending on the Xiaomi model (for example, the Redmi Note 10 Pro or Mi 11) and the version of MIUI 12, the path to setup may vary slightly. In this article, we will discuss all possible ways, including workarounds for cases where standard methods do not work, you will also learn how to avoid common errors and what to do if tunes are reset after the system update.

Why MIUI 12 Standard Settings Don't Always Work

Many users are faced with the fact that the option of choosing different ringtones for SIM-The cards are either missing from the menu or not saving the changes:

• 📱 Version. MIUI below 12.0.3 – In early builds, the function was unstable or absent at all.
• 🔄 Update the system after upgrading to the new version MIUI sound settings can be reset.
• 🛠️ Customized firmware – if you are using an unofficial version MIUI (For example, xiaomi.eu, some features may be removed or modified.
• 📵 Operator restrictions are rare, but some mobile operators block access to advanced settings SIM firmware.

Before you start setting up, make sure your device meets the minimum requirements:

Important: On devices with MIUI 12.5 and later, the path to settings may be different – instead of “Sound and vibration” use “Sound settings”.

Method 1: Standard settings through the Sound and Vibration menu

This is the easiest method that works on most Xiaomi devices with MIUI 12.

1. Open the Settings app (cog icon).
2. Go to the section Sound and vibration.
3. Select the item Melody of the call.
4. At the top of the screen you will see two tabs with your names. SIM-maps, for example, SIM 1 and SIM 2).
5. Tap the tabs you want. SIM-maps and select a tune from the suggested list or add your own through Local Music.
6. Repeat step 5 for the second. SIM-map.
7. Click Save or go back – the changes will apply automatically.

If the tab with SIM-No cards, try the following:

Make sure both of you SIM-card-activated|Reset the device|Update. MIUI last-minute|Check if the "Do Not Disturb" mode is on"-->

What do you do if the melodies don't persist? Sometimes after you pick a ringtone for the second one. SIM-The settings cards are reset. It's connected to the cache of the system:

1. Go to Settings → Applications → Application Management.
2. Find the Settings app (or Settings) and clear its cache.
3. Reboot the device and repeat the tunes setting.

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If you want to use your own tune, pre-copy the audio file to the Ringtones folder on the internal drive. The format should be.mp3 or.m4a, and the duration is no more than 30 seconds.

Method 2: Use the Contacts app to link melodies

If the standard method did not work, you can go a workaround - tie unique ringtones to the wrong ringtone. SIM-It's not as universal as it is, but as it is, it's as reliable as it is.

Instructions:

1. Open the Contacts app.
2. Choose a contact that calls a specific contact. SIM-map.
3. Click Edit (pencil icon).
4. Scroll down and find the item Call Melody (or Rington).
5. Choose a unique tune for this contact.
6. Save the changes.

Now that contact will be ringing the one tied to it. SIM-The downside of this is that you have to adjust each contact manually, but it's the only working option for devices that don't separate ringtones from each other. SIM standardized.

This method is especially useful for owners of Xiaomi Mi. A3 or other devices with Android One, where the shell MIUI There is no function of the two SIM-maps supported.

Method 3: Configure through the Engineering Menu (for advanced users)

If the first two methods didn’t work, you can try activating hidden settings through an engineering menu, which requires caution, as the wrong actions can disrupt the phone.

Instructions:

1. Open the Phone app.
2. Enter the combination: ##4636###.
3. In the menu that opens, select Phone Information.
4. Scroll down and find SIM (or SIM Management) settings.
5. There may be options for linking melodies to each SIM-If you don't have one, try another code: ##36446337## (for some Redmi models).

⚠️ Warning: Do not change other options in the engineering menu unless you know their purpose.

If the engineering menu did not give a result, the last option remains to use third-party applications.

Method 4: Third-Party Ringtones Management Applications

Google Play has several apps that allow you to assign different tunes to different tunes. SIM-The most reliable ones:

• 🎵 Dual SIM Ringtone is a simple app with support for Xiaomi and other brands.
• 🔊 Sim Ringtone Set – allows you to assign not only ringtones, but also notifications for each SIM.
• 📱 Ringo Ringtones & Wallpapers – has advanced settings but requires additional permissions.

How to set up with Dual SIM Ringtone:

1. Install the app from Google Play.
2. Open it and give access to contacts and calls.
3. Select the SIM 1 or SIM 2 tab.
4. Click Set Ringtone and select a tune from the library or add your own.
5. Save the changes and restart the phone.

⚠️ Note: Some applications may conflict with system settings MIUI 12.If the call sound is missing after installation, delete the app and clear the cache in Settings → Annexes.

The advantage of this method is that it works even on devices with an outdated version of MIUI or customized firmware, but note that applications may consume additional battery due to background work.

Frequent problems and their solutions

Even after successful setup, Xiaomi users sometimes run into problems.

If neither method worked, the problem may be the hardware, for example, on some Poco models with MIUI 12 for India, the separate ringtones function is disabled at the firmware level, in which case you either accept or reflash the device to the global version.

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Before resetting or flashing, back up your data through Settings → Additional → Backup.

How to return standard settings if something goes wrong

If after experimenting with ringtones, the calls stopped working correctly, return everything to the factory parameters:

1. Go to Settings → Sounds and vibration → Call melody.
2. For each SIM-Select the standard melody (usually this one) MIUI Ring or Default).
3. If the problem persists, reset the sound settings: Settings → System → Resetting → Reset the sound settings
4. Reset the device.

In extreme cases, perform a full reset to factory settings, but remember that this will remove all data from the phone:

1. Open Settings → About the phone → Reset settings.
2. Select Delete all data.
3. Confirm the action and wait for the process to be completed.

After resetting the ringtones will return to the standard, and you can configure them again.

FAQ: Answers to Frequent Questions