How do you know which one? SIM-Map tolling your Xiaomi: instructions for all models

Have you ever missed an important call because you didn't know which of the two SIM cards it was coming to? Xiaomi's Dual SIM-enabled smartphones (especially the Redmi Note, POCO and Mi/Xiaomi flagship series) often baffle users: how quickly to navigate, which SIM the incoming call came to? The problem is compounded if you have the same ringing or vibration on both cards.

In this article, we will discuss all possible ways to identify an incoming call – from standard functions. MIUI You will learn how to customize unique signals for each SIM-maps where you can see the slot-bound call log, and what to do if your smartphone doesn't show the SIM number at all when you call. MIUI 14+, which allows you to see the color mark of the SIM directly on the lock screen.

1. Standard methods of determination SIM-card MIUI

Xiaomi manufacturer has provided several built-in mechanisms for distinguishing SIM-The effectiveness of these cards depends on the firmware version (MIUI 12-15) And the smartphone models. Let's look at the basics:

Incoming call screen: Most devices will display a small icon at the top of the screen with the slot number (e.g., “SIM 1” or “SIM 2”) or operator name when a call arrives. However, this text is often lost against the large caller number. To see it, look at the area next to the “Discourse”/Accept” buttons.

• 📱 MIUI 12/13: The SIM icon appears on the right in the name of the contact (if it is saved).
• 🔄 MIUI 14+: Added a color mark - the background of the SIM icon corresponds to the color assigned in the settings.
• ⚙️ Redmi Note 10/11: On some firmware, the name of the SIM is displayed only after taking the call.

Call log. After a missed or accepted call, open the Phone app → the Log tab, and next to each number, you'll see which SIM was called (like Mobile 1 or operator name), which is the most reliable way, but it works after the fact.

2. customize unique signals for each SIM-map

If visual cues don't help you, set up different ringtones for each SIM, which will allow you to identify the map before you even get your phone out of your pocket.

1. Open the Settings. → Sound and vibration.
2. Select SIM 1 Call Melody and SIM 2 Call Melody.
3. Assign different ringtones (e.g. a classic call for work and a modern tune for personal contacts).
4. For reliability, also adjust the Vibration when calling – make it longer for one SIM and shorter for another.

💡 Use silent melodies with unique vibrational patterns. SIM 1 adjust the rhythm "long-short-short" (like Morse code for the letter "D"), and for SIM 2 is short-long (the letter "A"), so you can tell the difference between SIMs even in noisy places.

Set different tunes for SIM 1 and SIM 2|

Designate unique vibration patterns |

Check the volume of the call for each SIM |

Save settings and test incoming call-->

3. Color marks and names SIM-card MIUI 14+

Starting with MIUI 14, Xiaomi added the ability to assign color tags and custom names SIM-It makes it easier to identify when you call. Here's how it works:

Go to Settings. → SIM-maps and mobile networks → Name. SIM-You can do this here:

• 🎨 Assign a unique color to each SIM (e.g. blue for work, green for personal calls).
• 📛 Assign meaningful names (e.g., “Worker”, “Personal”, “Internet»).
• 🔄 Change the order of display of sims in the menu.

After setting up, these tags will be displayed:

• On the incoming/outgoing call screen (colored circle next to the number).
• Call and Message log.
• In the notification panel when a missed call.

4 Problems and Solutions: Why Does It Not Show SIM-ring-card

Sometimes, Xiaomi’s smartphone doesn’t display SIM information during an incoming call, and let’s look at the typical causes and ways to fix them:

⚠️ Note: If after the update MIUI all settings gone SIM-maps (including names and colors), this may indicate a failure in the database com.android.providers.telephony. in this case, only a complete reset of the phone to the factory will help.

5 Third-Party Applications for Dual SIM Management

If integrated functions MIUI If you don't like it, look at third-party utilities, they offer advanced options for working with two. SIM-map:

• 📲 Dual SIM Selector: Allows you to select a SIM for an outgoing call directly from the Phone app interface. Available on Google Play.
• 🔔 Sim Info: Shows detailed information about each SIM, including IMSI, operator and slot, useful for diagnostics.
• 🎵 Ringtone Scheduler: Automatically changes the ringing melodies depending on the time of day (e.g., quiet at night, loud during the day).

🔴 Warning: Some applications require permission to access calls and SMS. Install them only from official sources (Google Play, Mi App Store) and check reviews. apps with suspicious permissions (for example, access to contacts). + Internet) can be harmful.

💡

If you travel frequently, use the SIM Toolkit Manager app, which allows you to quickly switch between carrier profiles (such as local and roaming) without manually changing your APN settings.

6. Hidden MIUI features for advanced users

For those who are ready to dive into the technical details, Xiaomi offers hidden options for customizing Dual. SIM through the engineering menu and ADB-team.

Method 1: Engineering menu (USSD codes)

Dial on the phone keyboard:

##4636##

In the menu that opens, select Phone Information → Here you will see detailed information about each SIM-card including slot, IMEI This information is useful for diagnostics, but it won't help you directly identify an incoming call.

Method 2: ADB-customization

If you have experience with ADB, you can change the system settings for displaying SIM.

adb shell settings put global multi_sim_ringtone_enabled 1

It involves the forced use of different tunes for each SIM (even if the interface is not available).

⚠️ Note: Change system settings through ADB This can cause firmware failure or loss of warranty.Before experimenting, back up your data via Settings → Additionally. → Backup and reset.

7. Frequent Questions About Dual SIM in Xiaomi

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The most reliable way to avoid missing an important call is a combination of color tags (MIUI 14+), unique tunes and check the call log. SIM-card when calling, first update the firmware, then check the theme and sound settings.