Set up different tunes for two SIM-maps in Xiaomi Redmi 9T: guide

Owners of Xiaomi Redmi 9T two-way SIM-The problem with cards is often: how do you tell the incoming call from the first SIM from the second without looking at the screen? MIUI It allows you to assign unique tunes to each card, but this feature is hidden in non-obvious settings. In this article, we will examine all the ways, from basic settings to workarounds for users with custom firmware.

The Redmi 9T (codenamed lime) is that it supports Dual SIM Dual Standby (DSDS), but not all versions of MIUI are equally user friendly. For example, in MIUI 12.5, the path to settings is different from MIUI 13, and in some regional firmwares the option is completely absent. We tested all methods on current versions of the software and collected working solutions.

Why the standard method may not work

Before we get to the instructions, it’s important to understand why many users can’t change the tunes for the second SIM:

• 🔄 Version. MIUI: In the firmware older MIUI 11 option for assigning melodies to SIM-The cards are often missing or not working properly. MIUI 12.0.8 for Redmi 9T (European version) is a function, and MIUI 12.0.3 (Global) - No.
• 📱 Regional restrictions: Firmware for India and China may have different functionality from the European versions. MIUI option hidden in the settings → Additionally.
• 🔧 Castom firmware: If you’re using LineageOS, Pixel Experience, or other unofficial firmware, the standard method won’t work – you’ll need third-party software.

Another common problem is resetting. Once you update your MIUI or reset to factory settings, your individual SIM tunes are reset and you have to reset them. To avoid this, keep a backup of your settings in Settings → About Phone → Backup.

Method 1: Standard MIUI settings (official firmware)

If your Redmi 9T is running on stock MIUI (version 12.0 and later), follow this instruction:

1. Open the Settings app (cog icon).
2. Go to the section Sound and vibration.
3. Choose the ringing melody.
4. At the top of the screen will appear a switch between SIM-map (SIM 1 and SIM Press the map you want.
5. Select a tune from the suggested list or click Add to download yours.
6. Repeat the steps for the second. SIM-map.

If the switch between SIM-No cards, so your version is not. MIUI It doesn't support this function. In this case, move to Method 2.

⚠️ Note: Some firmware after choosing a tune for the second SIM-The first card is reset to the standard one. To avoid this, first assign a tune to the standard one. SIM 1, then SIM 2 and only then save the changes.

Method 2: Use the Contacts app for individual tunes

If you can’t choose a tune for each sound setting SIM And you can do this bypass, by assigning unique tunes to contacts that are tied to different cards. MIUI:

1. Open the Contacts app (or Phone → Contacts tab).
2. Choose the contact you want to set a unique tune for.
3. Click Edit (pencil icon).
4. Scroll down to the ringtone field and select the desired file.
5. Save the changes.

Now, when you call in from this number, you play the tune you've chosen. SIM-maps, create separate contacts for frequently used numbers (e.g., "Mommy (SIM1)" and "Mom (SIM2)") And assign them different tunes.

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If you often call with one SIM-maps, but want the melody to be from another, use the "Always Ask" function in the call settings: Settings → SIM-maps and mobile networks → Choice SIM-call-card → Always ask.

Method 3: Third-party applications for advanced users

If none of these things worked, third-party apps will come to the rescue, and we tested a few options and selected the most reliable ones.

• 🎵 Dual Ringtones for Dual SIM (Play Market: Allows you to assign different tunes, vibrations, and even color themes to each SIM. Works on MIUI 12/13, But you need permission to access calls.
• 🔊 Sim Ringtone Changer: Simple application with minimalist interface. Supports formats MP3, WAV, OGG.
• 📱 Tasker + AutoNotification (for power users): Allows you to create automatic rules for changing tunes depending on the active user experience. SIM. It requires customization, but gives maximum flexibility.

Check reviews before installing - some apps may contain ads or request unnecessary permissions. We recommend Dual Ringtones for Dual SIM as the most balanced option.

⚠️ Note: Melody change apps may conflict with system settings MIUI. If after installation, the calls stopped coming or the phone began to slow down, delete the application and restart the device.

How to add your own tunes to Redmi 9T

The standard set of tunes in MIUI is rather sparse. Fortunately, you can use any audio file in MP3, WAV or M4A format.

1. Download or prepare an audio file (up to 30 seconds, up to 5MB in size).
2. Connect your phone to your computer or use a file manager (such as Google Files).
3. Copy the file to the Ringtones folder on the internal storage, and if the folder is not available, create it manually.
4. Go to Settings → Sound and Vibration → Call Melody and select your file from the list.

It's important: MIUI does not display files with Russian characters in the title, my_ringtone.mp3), Otherwise, she won't show up on the list.

If you want to use a tune from a music track, cut it with apps like Ringtone Maker or MP3 Cutter, and the optimal duration is 15-25 seconds so you don't miss the start of the call.

Problem Solving: Why Melodies Don't Change or Reset

Even after setting up correctly, Redmi 9T users sometimes encounter bugs, and here are the most common problems and solutions:

• 🔄 Melodies reset after reboot: This is a famous bug MIUI 12.0.3-12.0.7. Solution - Update the firmware to MIUI 12.5 or newer through Settings → The phone. → Updating the system.
• 🎵 New melody is not played: Check that the file is in the Ringtones folder and has a supported format. FLAC or AAC, convert MP3.
• 📵 Calls go without sound: Make sure the "Do Not Disturb" mode is not activated (Settings) → Sound and vibration → Do not disturb) and the volume of the call is not at zero.

If the problem persists, try resetting the sound settings:

Settings → System and device → Resetting settings → Resetting sound settings →

⚠️ Note: On some firmware, resetting the sound settings also zeroes out individual tunes for SIM-Before resetting, take screenshots of current settings or write down selected files.

FAQ: Frequent questions about tune-ups on Redmi 9T

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If none of these methods worked, check if the "Double" function is disabled. SIM" in settings: Settings → SIM-maps and mobile networks → Use both. SIM-map.