How to permanently block a phone number on Xiaomi Redmi: all methods 2026

Why locking numbers on Xiaomi Redmi is not as easy as it seems

Xiaomi Redmi smartphone owners regularly face intrusive calls from scammers, collectors or just unwanted subscribers. It would seem that it could be easier to click "lock" and forget about the problem?

First, standard locking tools in MIUI (the Xiaomi brand shell) don't always work. Numbers with swapped IDs (spoofing) can slip through filters. Second, after resetting settings or updating the firmware, all blocked contacts are automatically removed from the blacklist - a unique feature of MIUI, which few people know about. Third, carriers (MTS, Beeline, MegaFon) have their own databases of locked numbers that are not synchronized with the phone.

This article will help you understand how to securely lock the number on the Redmi Note 10/11/12, Redmi 9/10 and other models so that calls no longer bother. We tested all methods on the current versions of MIUI 14/15 (Android 12/13/14) and selected only working solutions.

Method 1: Locking through the standard "Phone" application

The most obvious method is to use built-in MIUI tools, which are suitable for locking individual numbers, but has limitations: it does not work with hidden numbers and does not filter SMS.

Step instructions:

1. Open the Phone app (the tube icon on the home screen).
2. Go to the Call Log and find the number you need.
3. Click on the number, then select ⋮ (three-point) → Lock down.
4. Confirm the action in the pop-up window.

To check the list of blocked numbers:

• 📱 Go to Settings. → Annexes → Phone. → Number locking
• 🔍 All blocked contacts and numbers are displayed here.
• ⚙️ You can turn on the option to Block Unknown Numbers (but this will block ALL calls from unidentified numbers)

Number added to blacklist |Test call not passing |Notification of locking appears |Settings saved after reboot-->

⚠️ Note: If you use two of these SIM-The card, the lock is only valid for the SIM through which the call was made. SIM You will need to repeat the procedure separately.

Method 2: Locking through MIUI security settings

MIUI has a separate security section where you can manage blacklists more flexibly, which allows you to block not only calls, but also SMS.

Algorithm of action:

1. Open Settings → Memory and Applications → Security.
2. Select Number Block (in some versions of MIUI, this item may be called Blacklist).
3. Click Add a number and enter it manually or select from the log.
4. Activate the switches to block Calls and Messages.

Advantages of this method:

• 🔒 Works for everyone. SIM-mapping
• 📵 Blocks calls, and SMS single-number
• 🔄 The list is saved after updates (unlike the method through the "Phone" application")

⚠️ Note: If you use Google Messages instead of the standard SMS-applications from Xiaomi, blocking SMS via settings MIUI It won't work. In this case, you'll have to set up the lock separately in Google Messages. → Settings → Spam and blocking.

Method 3: Using third-party applications to block

Standard facilities MIUI They don't always deal with massive calls from scammers, and in those cases, specialized applications will help. 5 popular solutions and selected the top-3 Xiaomi Redmi:

How to set up Truecaller (recommended solution):

1. Install the application and complete the registration.
2. In the Block section, add numbers manually or enable automatic spam blocking.
3. In the settings (⚙️ → Blocking) activate the options: 📞 Block calls 💬 Lock down SMS 👤 Block hidden numbers

Truecaller|Hiya|Should I Answer?|Standard facilities MIUI|Other/Not using-->

⚠️ Note: Apps like Truecaller require permission to access call logs and contacts. Check reviews on Google Play before installing them, as some users complain about data leaks. Alternative: Use Should I Answer?, which works locally without sending data to servers.

Method 4: Blocking through a communications operator (MTS, Beeline, MegaFon, Tele2)

If the number keeps ringing even after being blocked on the phone, it can be blocked at the operator level, especially for collection agencies and fraudulent centers that use spoofing.

Instructions for popular operators:

• 📱 MTS: Send. SMS with the text BLOCK XXXXXX (where XXXXXXX is a number without +7) to short 1117, or call 0890 and infollowing the voice menu.
• 📱 Beeline: Dial it up *110*789XXXXXX# (where XXXXXXX is the number) and press the call. Or use your personal account on the website.
• 📱 MegaFon: Send SMS with the text Block XXXXXX on 0001.
• 📱 Television2: Dial it *220*1*XXXXX# and press the call. Status check — *220*2#.

Important nuances:

• 🕒 Blocking through the operator can take up to 24 hours.
• 💰 Some operators have paid service (for example, Beeline – 3 rubles / day).
• 🔄 The list of blocked numbers is not synchronized with the phone.

💡

If the operator refuses to block the number, refer to the Federal law № 139-FZ "On the protection of personal data" and article 152.2 of the civil code of the Russian Federation on the protection of privacy.

Method 5: Radical-method – locking all unknown numbers

If you're flooded with typical for scammers, you can take drastic measures to block all incoming calls except from the phone book contacts, a method that's suitable for those who don't expect important calls from unknown numbers.

How to set up:

1. Open Settings → Applications → Phone → Lock numbers.
2. Activate the option to block unknown numbers.
3. Enable Block numbers not saved in contacts (if there is such a point).

What will be blocked:

• 🚫 All the numbers that are not in your phone book
• 🚫 Hidden numbers (where the number is displayed "Unknown" or "Private")
• 🚫 Rooms with a switched caller ID (spoofing)

⚠️ This method blocks all unidentified calls, including:

• Delivery (couriers often call from unknown numbers)
• Taxi services (Yandex Go, Uber)
• Bank Notices (if the number is not saved)

Before activating, add all important numbers to the contacts!

💡

If you still get a call after blocking unknown numbers, check the settings of the Phone app for exceptions. Some versions of MIUI allow you to add numbers to the whitelist even when you block them altogether.

What to do if the lock is not working?

Sometimes even after all the manipulations, the calls keep coming in. Here's a checklist to diagnose the problem:

• 🔄 Is the number saved in multiple formats, +79123456789 and 89123456789 are different entries for the system.
• 📱 Is the firmware updated? Old versions. MIUI (Up to 12.5) there were lock bugs. Update via Settings. → The phone. → Updating the system.
• 🔌 Activated? SIM-If? SIM Inactive (e.g., balance is out), operator-level locking is not working.
• 🛡️ Conflict with other apps? Antiviruses (like Dr.Web or Kaspersky) can intercept calls.

If nothing helps, try resetting your network settings:

1. Go to Settings. → SIM-maps and mobile networks → Resetting network settings.
2. Confirm the reset (this will remove saved Wi-Fi networks and mobile internet settings, but will not affect contacts).
3. After the reboot, repeat the number lock.

FAQ: Frequent questions about room locks on Xiaomi Redmi