Calls from hidden numbers (defined as "Unknown", "Private" or "Number hidden") are one of the most annoying problems for owners Xiaomi Redmi. Spam call centers, scammers and intrusive marketers actively use this feature to bypass standard blacklists. Unlike regular numbers, hidden contacts are not blocked through the standard menu Contacts → Black list, therefore they require separate solutions.

In this article we will look 5 proven methodshow to permanently get rid of such calls on smartphones Redmi Note 12/13, Redmi 10/11 and other models with a shell MIUI 14/15. Methods include both built-in system tools and third-party applications, as well as operator services. Important: the effectiveness of some solutions depends on the firmware version and regional settings - we will warn about this separately.

Hidden numbers not only disturb the peace, but can also be dangerous: according to data CyberLeninka, in 2026, every third fraudulent call in Russia was made from a hidden identifier. Therefore, blocking such calls is not only a matter of comfort, but also protection of personal data.

📊 How often do you get calls from hidden numbers?
Daily
Several times a week
Rarely
Never

1. Blocking through built-in MIUI settings

Shell MIUI from Xiaomi has a hidden function for filtering unknown numbers, but it is often disabled by default. To activate it:

1. Open the application Phone (handset icon).

2. Click on the three dots in the upper right corner and select Settings.

3. Go to the section Blocking and identification (in some versions - Spam and blocking).

4. Activate the switch Block unknown numbers or Filter spam.

If there is no such item, update the application Phone via Google Play or check the MIUI version in Settings → About phoneOn Redmi Note 10 Pro and newer the function is available. out of the box, and on older models, manual configuration may be required.

Update the "Phone" application to the latest version

Check the "Blocking" section in call settings

Activate filtering of unknown numbers

Reboot your smartphone to apply the changes-->

⚠️ Attention: On some MIUI firmware for Russia, the function of blocking hidden numbers is unstable due to restrictions of telecom operators. If calls continue to arrive, proceed to the next method.

Additionally, in the same menu you can enable Spam identification —the system will mark suspicious numbers as "Possible spam", but will not block them. For complete protection, a combination with other methods will be required.

2. Using the standard "Security" application

The Xiaomi Redmi application (shield icon) is preinstalled, which can block not only viruses, but also spam calls. Here's how. configure filtering: Security (shield icon), which can block not only viruses, but also spam calls. Here's how to set up filtering:

1. Launch Security and go to the Blocking (or Antispam).

2. Select Block calls → Unknown numbers.

3. Activate the option Block all hidden numbers and save the settings.

The advantage of this method is integration with system services Xiaomi, which reduces the load on the battery compared to third-party applications. However, functionality may vary depending on the regional firmware.

Redmi model Support for blocking hidden numbers Required update
Redmi Note 12/13 Yes (MIUI 14+) No
Redmi 10/11 Yes (after the Security update) Yes
Redmi 9 and older Partially (identification only) Yes
Redmi for the global market Yes (without restrictions) No

If in your application Security there is no section for blocking calls, which means you have a lightweight version installed for the European market. In this case, proceed to method No. 3.

3. Third-party blocking applications

When the built-in tools MIUI do not help, specialized applications come to the rescue. hidden numbers, but also analyze spammers' databases in real time.

Top 3 applications for Xiaomi Redmi:

  • 📞 Truecaller - identifies hidden numbers through crowdsourcing, blocks spam and scammers. Minus: requires registration and access to contacts.
  • 🛡️ Hiya - lightweight blocker with a database of 1.5 billion numbers. Works without. excess water, but the paid premium version opens advanced filters.
  • 🔍 Should I Answer? - analyzes the behavior of the caller and blocks suspicious numbers. Supports a Russian-language interface.

Installation and configuration (for example Truecaller):

  1. Download the application from Google Play.
  2. Register via phone number or Google Account.
  3. In the settings, enable Blocking hidden numbers i Automatic database update spam.
  4. Give all the necessary permissions (calls, contacts, notifications).
⚠️ Attention: Applications like Truecaller collect data about your contacts to form a database. If privacy is critical, use Hiya or MIUI settings.

Truecaller may conflict with the "Phone" system application on some MIUI firmware, causing delays in incoming calls. Before installation, check the reviews for your Redmi model.

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If, after installing the blocker, important calls (for example, from a bank) stop coming, add their numbers to the white list in the settings. applications.

4. Operator blocking services

Russian mobile operators (MTS, Beeline, MegaFon, Tele2) offer free and paid services for filtering spam calls, including hidden numbers. This is the most reliable method, since blocking occurs at the network level, even before the call reaches yours. Redmi.

How to connect:

  • 📶 MTS: Send an SMS with the text PROTECTION to the number 111 or activate the "Antispam" service in your personal account.
  • 📶 Beeline: Activate "Spam Protection" via USSD command *110*789# or in the application My Beeline.
  • 📶 MegaFon: Activate the "Spam filter" in the "Services" section of your personal account or by command *105*456#.
  • 📶 Tele2: The free service "Spam Protection" is connected via *225# or in the application.

Advantages of operator lock:

  1. Works even when the smartphone is turned off.
  2. Does not load the processor Redmi.
  3. Filters SMS spam.
⚠️ Attention: Operator services can block not only spam, but also calls from service providers (for example, courier services or banks). Before connecting, check with support on how to set up a white list.
What to do if the operator does not block hidden numbers?

Some operators (especially virtual ones, for example Yota or Tinkoff Mobile) do not provide full protection against hidden numbers. case:

1. Check the tariff - sometimes the Antispam service is only available on paid packages.

2. Check with support to see if blocking is supported Anonymous Call Rejection (technical term for hidden calls).

3. If the operator refuses to help, use a combination of the application (method No. 3) and MIUI settings (method No. 1).

5. Manually adding hidden numbers to the blacklist

If you receive a call from same hidden number (for example, scammers often use duplicate identifiers), you can block it manually through the call log:

1. Open the application Phone and go to the tab Journal.

2. Find the incoming call marked "Unknown" or "Hidden number" and tap on it.

3. Click Information (icon i) → Block.

4. Confirm the action in the dialog box.

This method only works for specific hidden identifiers, and not for all anonymous calls. For example, if the fraudster uses different hidden numbers, blocking one of them will not help.

To see the full list of blocked contacts:

  1. Go to Contact → Settings (three dots at the top).
  2. Select Black list.
  3. All blocked numbers will be displayed here, including hidden ones (they will be marked as "Unknown" or "Private").
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Manual blocking is only effective against duplicate hidden numbers. For mass spam, use system settings or operator services.

6. Alternative methods: disabling all incoming calls or changing the number

If none of the above methods help, they should only be considered in extreme cases, for example, if you are being harassed by a specific number. attacker.

Option 1: Temporarily disabling all incoming calls

In the settings Xiaomi Redmi you can activate the "Do not disturb" mode with complete blocking of calls:

  1. Go to Settings → Sound and vibration → Do not disturb.
  2. Select Complete silence.
  3. Enable the option Block all calls.

Minus: you won't be able to receive any calls, even from important contacts.

Option 2: Change your phone number

If hidden calls are systematic (for example, you are being harassed by a collector or scammer), the most reliable solution is to change your SIM card. a new number from the operator, but do not transfer it to suspicious sites or dubious services.

Option 3: Using the second number

Services like Google Voice (for the USA) or Duplicate (from Tele2) allow you to have an additional virtual number. The main number can be hidden from spammers, leaving it only for loved ones.

⚠️ Attention: Disabling all incoming calls may result in missing important notifications (for example, from a bank or delivery service), please warn before activating this mode. loved ones and set up exceptions for critical contacts.

FAQ: Frequently asked questions about blocking hidden numbers

Is it possible to block hidden numbers without applications?

Yes, on Xiaomi Redmi with MIUI 14+, this can be done through the built-in application settings Phone or Security. For older firmware versions, third-party software or operator services will be required.

Why are hidden calls still hidden after blocking? pass?

Probable reasons:

  • The settings were not saved (reboot your smartphone).
  • The operator does not support blocking at the network level.
  • The call is made via VoIP (for example, WhatsApp or Skype) - such calls are blocked separately in the settings messengers.

How to block hidden numbers in WhatsApp?

In WhatsApp there is no separate function for blocking anonymous calls, but you can:

  1. Block a contact after the first incoming call (even if the number is hidden, it will appear in the chat record).
  2. Disable call notifications in the messenger notification settings.

Will the fraudster know that his number is blocked?

No, when blocked through MIUI or an operator, the caller will hear short beeps or a voice message like “The subscriber is temporarily unavailable.” Third-party applications. (for example, Truecaller) can send a busy signal, but this will not reveal your personal information.

Is it possible to return a blocked hidden number to the call log?

No, blocked hidden numbers are not displayed in the log - this is done to protect against repeated communication attempts. If you need to save information about such a call, do so. screenshot of the screen before blocking.