How to connect a number detector on Xiaomi: all ways 2026

The number detector on Xiaomi smartphones is not just a convenient feature, but a real necessity in the era of spam calls and fraudulent schemes. POCO They allow you to identify incoming calls, but not all users know how to properly activate and configure this tool, unlike iPhone, where the determinant is integrated into iOS by default, on Android devices (including the first one). MIUI) Often additional configuration or installation of third-party applications is required.

In this article, we will analyze all the current ways to connect the number determinant on Xiaomi in the 2026 year: from built-in functions MIUI To popular services like Truecaller or GetContact, we will pay special attention to hidden settings. MIUI 14/15, We're going to do this without third-party apps, and we're going to look at some of the common bugs that might make the identifier fail, and if you're tired of the numbers you don't know, or if you want to protect yourself from phone fraud, this is the guide for you.

1. Built-in number identification in MIUI: How to turn on and set up

Modern versions of firmware MIUI 14/15 They have a built-in number identification module, but it's often disabled by default:

1. Open the Phone app (the tube icon on the home screen).
2. Click on the three dots in the top right corner and select Settings.
3. Go to the number detector section (in some versions - Call identification).
4. Activate the switch to show information about the caller.

In the same menu, you can configure data sources for the determinant:

• 📱 Local base. MIUI — Uses data collected by Xiaomi (only for popular spam numbers).
• ☁️ Cloud Base – synchronizes with Xiaomi servers (requires Internet connection).
• 🔄 Sync with contacts – Shows names from your address book.

Important: Built-in determinant MIUI It only works for numbers that are labeled as spam by other users, and it doesn't show the names of private subscribers (such as social media or messengers.

⚠️ Note: If the detector does not work after activation, check the permissions for the Phone application in Settings → Annexes → Permits → Phone: Make sure that the rights to Contact Reading and Call Management are included.

2.The best third-party applications for determining numbers on Xiaomi

If built-in capabilities MIUI Not enough, you can install specialized applications.-5 Services and selected the most reliable:

To install any of these applications:

1. Open the Google Play Market.
2. Type the name of the application in the search (for example, Truecaller).
3. Click Install and wait for the download to be completed.
4. Launch the app and follow the on-screen instructions (registration may be required).

After installation, be sure to configure access rights:

• 📞 Call Management Permit (to block spam).
• 📇 Contact permission (for synchronization with the address book).
• 📶 Internet permission (to update the number database).

💡

If Truecaller does not identify numbers after installing, try manually updating the database in the application settings (Updates section).

3. Set up the determinant through Google services (without third-party applications)

Few people know, but Google offers its own tool for identifying calls – Google Phone (the “Phone” app from Google), which is pre-installed on some Xiaomi models (for example, it is pre-installed on some Xiaomi models, POCO F5 Xiaomi 13T), Even if it is not available, it can be installed manually:

1. Download Google Phone from the Play Market.
2. Open the app and click on the three dots in the upper right corner.
3. Select Settings → Number detector and spam.
4. Activate options: 🔍 Showing information about the caller 🚫 Filter spam calls

The advantages of Google Phone:

• 🔹 It works without registration (unlike Truecaller).
• 🔹 Integrates with Google Contacts and Gmail.
• 🔹 Updates the spam number database automatically.

Disadvantages:

• ❌ Numbers are smaller than specialized services.
• ❌ Not all Xiaomi models support Google Phone as a primary calling app.

⚠️ Note: On some devices MIUI It can block Google Phone as the default app. To fix this, go to Settings. → Annexes → Default applications → Phone and select Google Phone.

Delete the cache of the standard application "Phone"|Download Google Phone from Play Market|Assign Google Phone to the Default App|Checking Call and Contact Permits-->

4. How to set up a determinant on Xiaomi through a communications operator

Many Russian operators (MTS, Beeline, MegaFon, Tele2) provide their own number identification services, which are usually paid, but sometimes offered as part of the tariff plan.

📶 MTS: service "Definition number»

Cost: ~3 rubles / day or 50 rubles / month.

Activation:

1. Send. SMS 1 to 1117.
2. Or dial it. USSD-team *111*117# and follow the instructions.

📶 Beeline: “Who is calling?»

Cost: 2 rubles/day.

Activation:

1. Dial it *110*181#.
2. Or send it. SMS 181 to 5116.

📶 MegaFon: “The Definitive»

Cost: 1.5 rubles / day.

Activation:

1. Dial it *105*180#.
2. Or send it. SMS 180 to 000105.

Advantages of operator services:

• 🔹 They work without the internet (using it). SMS-channel).
• 🔹 Low price (compared to paid versions of Truecaller).

Disadvantages:

• ❌ Show only the name of the subscriber (without photo or additional information).
• ❌ Do not block spam calls (only identify them).

5.Challenges with the Xiaomi Definition and Their Solutions

Even after setting the number detector correctly, we can analyze the most common errors and ways to fix them:

If the device stopped working after the update MIUI:

1. Go to Settings → Applications → Application Management → Phone.
2. Press Warehouse and clear Cash.
3. Reset the device.

For applications like Truecaller, it is also useful:

• 🔄 Update the database manually (in the application settings).
• 📥 Reinstall the application (if glitches persist).
• 📧 Check if your number is blacklisted (sometimes with frequent complaints).

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If the detector is unstable, check the permissions and background activity of the application first, and 80 percent of the time, these are the solutions.

6. Hidden functions MIUI for extended call identification

In the firmware MIUI There are a few hidden features that allow you to improve the performance of the determinant, which you can't always see in the basic settings, but they're available through Developer Mode or special commands.

🔧 How to Include Extended Determinant in MIUI 14/15:

1. Activate Developer Mode: Go to Settings → About Phone. Tap 7 times on MIUI Version.

Settings → Additional → For Developers

Number definer (extended)

Reset the device.

🔍 How to check if the hidden determinant is working:

• Call your number from another phone.
• If the screen displays not only the number, but also the region (for example, "Moscow, MTS"), then the function is activated.

⚙️ Additional settings through the engineering menu:

For power users, there is a fine-tuning option through the engineering menu. Be careful - the wrong changes can disrupt the phone!

Enter the phone app: ##4636###


Go to the section "Phone Information"




Find the "Number Definer" item and turn on "Real-time Base Check"

⚠️ Note: Changes to the engineering menu may cause the communication module to malfunction. If the network signal is lost after editing, reset the network settings to Settings → SIM-maps and mobile networks → Resetting settings.

7.Alternative ways: how to know who is calling without a identifier

If none of the above methods are suitable, workarounds can be used:

• 🌍 Google search: copy the number and type it into the search bar. Often you can find mentions on forums or social networks.
• 📊 Online verification services: Numspy – free check of Russian numbers. Nomer.org – database of spam numbers with reviews.
• 🤖 Telegram bots: @PhoneCheckerBot — checks the number on multiple databases. @SpamNumBot — specializes in spam calls.
• 📞 Callback: If the number is not hidden, you can call back and ask who called (suitable for business communication).

To automate the process, you can create quick commands in Google Assistant:

1. Open Google Assistant and click on the profile icon.
2. Select the → Routines to create a routine.
3. Add a command, such as, "Who called from [number]?"
4. As an action, select Google Search with the query “phone number [insert number] who called.”

FAQ: Frequent questions about setting up a determinant on Xiaomi