How to Enable a Number Definiter on Xiaomi: All Ways + chip-trick MIUI

The number detector on Xiaomi smartphones is not just a convenient feature, but a real lifeguard against spam calls and scammers. However, many users do not even suspect that their device can show the name of the caller or warn about suspicious numbers. In this article, we will analyze all possible ways to activate the determinant - from standard settings. MIUI to hidden chips, which even official documentation is silent about.

The problem is that Xiaomi often changes the layout of options in newer versions of the firmware. MIUI 12, may disappear in MIUI 14, and instead of the usual switch, a new tab will appear, and we tested all the methods on current models — from the budget Redmi Note 12 to the flagship Xiaomi 13 Ultra — and collected the working instructions for each version of the shell.

If you are tired of intrusive calls from unknown numbers or want to see the name of the subscriber before you answer – this article is for you. We will not limit ourselves to basic tips like “go to the settings”, but show how to make the determinant work at full capacity, including integration with Google Contacts, third-party services and even operator bases (MTS, Beeline, Megaphone, Tele2).

1. Standard number-definition in MIUI: Where to look and how to turn on

Let’s start with the most obvious: built-in functionality. MIUI. In the latest versions of the firmware (starting with the MIUI 12.5) The number detector is hidden in the phone menu, but the path to it may vary depending on the model:

Open the phone application (pipe icon) → Click on three dots in the upper right corner → Select Settings → Go to Number Define and Spam. Here you'll see two key switches:

• 📞 Number Definiter – Shows the name of the subscriber if the number is in your phone book or in cloud contacts Google/Mi Account.
• 🚫 Spam protection – blocks known fraudulent numbers (the database is updated automatically through Xiaomi servers).

If you have an older version of the firmware (for example, MIUI 11 or MIUI 12), the path may look different: Settings → Annexes → Phone. → Number detector. Some models. POCO This section is called Security and Privacy.

⚠️ Note: On smartphones with global firmware (Global) ROM) The number detector may be worse than the Chinese number (China) ROM). This is due to Google’s restrictions on processing personal data, and if you are critically interested in accuracy, consider third-party apps (more on this below).

2. Why the determinant doesn't work: top-5 causes and solutions

You've turned on the feature, but the numbers still show up as "Unknown"? Here are the most common reasons and ways to eliminate them:

If neither option worked, check if the permissions for the Phone app are disabled. Go to Settings → Annexes → Application management → Phone. → Permits and make sure that included:

• 📱 Contacts (to see names from the phone book)
• 🌐 Internet (to access cloud databases)
• 📍 Phone (to read incoming calls)

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After the update MIUI the detector stopped working, try resetting the phone application. → Annexes → Phone. → Warehouse → It won't delete your contacts, but it will return the standard settings.

3. Hidden Determinant Settings: How to Enable Advanced Functions

Xiaomi hides some of the number-definition options so it doesn't overload the interface, but you can activate them through engineering menu codes or special gestures.

Method 1: Code for activating an extended determinant

Open the Phone app and enter the following combination:

##4636##

In the menu that appears, select Phone Information → Scroll down to the Number Define section and turn on:

• 🔍 Show the region of the number (displays the city of the caller)
• 📊 Spam Call Statistics (keeps a log of blocked numbers)
• 🔄 Manually update the database (useful if automatic updates don’t work)

Method 2: A gesture for quick access

In the models with MIUI 13+ You can set up a gesture to open the log of the determinant:

1. Go to Settings. → Additionally. → Gestures.
2. Select Double-Tap Lock screen.
3. Set the action Open the number determinant.

Third-party Definition Apps: Which is Better TRUECALER or GETContact?

Xiaomi’s built-in definition is good, but it’s not perfect. If you need to recognize more numbers (including business organizations) or block spam by user rules, third-party software will come in handy.

How to set up Truecaller on Xiaomi:

1. Download the app from Google Play (not from the Mi App Store, there may be an outdated version).
2. When you first start, allow access to contacts, calls and SMS.
3. In the Truecaller settings, activate: 🔄 Auto-renewal of the base 📵 Blocking spam 🌍 Definition of international numbers

Settings → Applications → By default

Truecaller

⚠️ Note: Apps like Truecaller and GetContact collect your contacts and call history to add to their database, and if privacy is critical to you, use them in Guest mode (without registration) or abandon them in favor of a built-in determinant. MIUI.

Download APK from the official website only|Check the permits before installation|Disable the built-in determinant MIUI|Make a backup copy of contacts|Set exceptions for important numbers-->

5. Number detector from the operator: how to connect the service from MTS, Beeline, MegaFon, Tele2

Many mobile operators offer their own numbering services, which are often more accurate than those built into the smartphone. The main advantage is that they work even without the Internet, because they use the operator's databases.

How to connect:

• 📶 MTS: Send. SMS with the text DEFINITION to number 111 or connect in your personal account (Services) → Additional → Number identifier Cost: 3 rubles/day.
• 🟢 Beeline: Dial *110*789# Or activate my Beeline (Service section) → Safety: Cost: 50 rub.
• 🔴 Megaphone: Send SMS LAX 000105 or connect through USSD-team *105*700#. Cost: 2 rub.
• 🟡 Television2: Dial it *155*1# or activate in your personal account (Services) → Determiner? Cost: 1.5 rub.

How it works with Xiaomi:

Operator service does not conflict with built-in determinant MIUI. You'll see:

• 📱 On the phone screen: the name of the subscriber from the operator’s database (for example, Sberbank PJSC").
• 📞 In the call log: additional information (city, number type - mobile / city).

⚠️ Attention: If you have two SIM-So, you have to activate the card from different carriers, the service of the detector will only work for the card on which it is connected.

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Operator detector is the best choice for regions with poor internet, as it does not depend on connection speed and works even in roaming.

6. Advanced Chips: How to Set Up a Determinant for Business Users

If you use a Xiaomi smartphone for work, a standard determinant may not be enough. Here are a few life hacks for business tasks:

Integration with CRM-system

With the help of the Zoho app CRM or Bitrix24 You can set up the display of customer information right during the call:

1. Install your mobile app CRM.
2. In the settings CRM Enable the option of synchronization with the phone.
3. Allow access to contacts and call logs.

Now, when you call in from a customer, you will see their order history, recent messages and attached files.

2. Automatic recording of conversations with the determinant

On Xiaomi models with MIUI 14 you can automatically record calls from unknown numbers and attach data from the detector to them:

• Go to Settings. → Annexes → Phone. → Recording of conversations.
• Enable Auto Record option for unknown numbers.
• Select Save to the Cloud so that records don’t take up space on your phone.

3. Blacklist by category

Instead of manually adding spam numbers, you can set up automatic keyword locks, such as blocking all prefixed numbers. +375 (Belarus) or the words "credit", "microloan:

1. Install the Call Blocker app (available on Google Play).
2. In the section Blocking Rules add templates: +375* credit microloan bank
3. Activate integration with the determinant MIUI appliance.

7. Frequent mistakes and how to avoid them

Even after setting up the number detector correctly, Xiaomi can malfunction, and here are the typical user errors and their decisions:

• ❌ Error: The detector only shows names after the call has been answered.Solution: Enable the option to Show Call Notifications in Settings → Notifications → Phone.
• ❌ Error: After the update MIUI Solution: Update the Phone app via the Mi App Store or clear its cache.
• ❌ Error: The detector does not work on the second SIM-Solution: In the number definition settings, select Settings SIM-Cards and activate the function for the second card.
• ❌ Error: Apps like Truecaller are in conflict with the built-in determinant.Solution: In Truecaller settings, disable the option to Replace the standard phone app.

Important: On Xiaomi models with MediaTek processor (e.g. Redmi Note 11, POCO M4 Pro) the detector can run slower due to optimizing power consumption. To eliminate delays, add the Phone app to the list No restrictions in battery settings.

FAQ: Answers to Frequent Questions