How to add a number to the blacklist on Xiaomi: 4 working ways

Calls from annoying sellers, spam mailings or messages from unwanted contacts can seriously mess up the mood. MIUI There are several ways to block unwanted numbers, from standard phone features to hidden settings, and in this article we will discuss all the current methods, including nuances for different versions of firmware and models (Redmi Note 12, POCO X5, Xiaomi 13T others).

It is important to understand that the blacklist on Xiaomi works not only for incoming calls, but also for the users. SMS — It's a universal solution. And if you use Google Messages or Truecaller, the blocker is even more powerful. MIUI 14 and MIUI 15 (Android 13/14), Therefore, the instructions are relevant to 2026 year.

Before you get to the settings, check to see if your device has third-party locking apps installed – they may conflict with the built-in features of Xiaomi. Also note that some carriers (such as MTS or Beeline) offer their number-locking services – but they are paid and less flexible than system tools.

1. Standard blacklist in MIUI: step-by-step instruction

The easiest way to block a number is to use the built-in Blacklist feature in the Phone app.This method works on all Xiaomi smartphones, including the budget Redmi models. A2+ Xiaomi 14 Ultra flagships, the main advantage is that the lock is effective immediately for calls and SMS.

To add a number to the blacklist:

1. Open the Phone app (the tube icon on the home screen).
2. Go to the Contacts tab (if the number is saved) or the Journal (if you need to block an unknown number).
3. Find the contact/number you need and click on it to open the card.
4. Tap on three points (⋮) in the upper right corner and select Add to the blacklist.
5. Confirm the action in the window that appears.

If you want to block a number that is not saved in contacts, but called you earlier:

• 📞 Open the Call Log in the Phone application.
• 🔍 Find the right number and hold your finger on it. 1-2 seconds.
• 🚫 In the context menu, select Block.
• ✅ Confirm the addition to the blacklist.

After blocking, the number will be automatically redirected to voice mail (if it is activated by the operator), and SMS It won't show up in the main message list, to check which numbers are already blocked:

⚠️ Attention: B MIUI 14+ The list of blocked numbers is hidden in the depth of settings. If you can't find it through the Phone app, use an alternative path: Settings → Annexes → Application management → Phone. → Permits → Blacklist.

Make sure the number is added to the blacklist.|Check if they're coming. SMS block-contact|Test call from another phone (must be dropped)|Set exceptions for important numbers (if necessary)

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Blocking through the “Messages” app

If you are not getting tired of calls, SMS-Spam, you can block the number directly from the Message application, and this method is convenient because it does not require you to save the number to contacts - just one message from an unwanted sender is enough.

Instructions:

1. Open the Messages app (the envelope icon).
2. Find the dialog with the number you want to block and open it.
3. Tap on three points (⋮) top-right.
4. Select Details (or Information in some versions) MIUI).
5. Scroll down and click Block (or Add to Blacklist).

After the lockdown:

• 📵 Messages from this number will not appear in the main list.
• 🔔 Notification of new SMS No blocked contact will be available.
• 🔄 If the number has already been blacklisted through the Phone app, the lock in Messages is duplicated automatically.

To manage blocked numbers in Messages:

1. Open the messages. → three-point (⋮) → Settings.
2. Go to Blocking and Spam (or Blacklist).
3. Here you will see all the locked numbers and you can unlock them.

Annex "Telephone"|Annex “Messages"|Truecaller|Other|I don't block numbers.-->

3. blacklist through security settings MIUI

Xiaomi has a hidden Security section where you can manage the blacklist centrally, which is suitable if you want to lock a number without opening the Phone or Messages app, and you can configure additional lock options, such as banning notifications.

How to find this section:

1. Open the settings (cog icon).
2. Scroll down and select Security (or Passwords & Security in global versions) MIUI).
3. Go to the Blacklist (which may be called the Blocklist or Harassment filter).
4. Click Add a number and enter it manually or select from contacts.

This section may also include:

• 📋 Check the blocked call log and SMS.
• 🔄 Set up lock rules (for example, block all numbers from a specific prefix).
• 🛡️ Enable Spam Filter, which automatically blocks suspicious numbers.

⚠️ Note: In some regional versions MIUI (For example, for India or China, there may be no Security section, in which case use the first two methods or install Google Messages with lock function.

4.Using Truecaller for Extended Locking

If Xiaomi's built-in features aren't enough, you can install a third-party Truecaller app, which not only blocks numbers, but also identifies spammers and scammers from a user database.

• 🌍 Spam Numbers database is updated in real time.
• 🔍 Automatically detecting unwanted calls.
• 📊 Statistics of blocked calls.
• 🔔 Customizable notifications for different types of spam.

How to set up a lock in Truecaller:

1. Install Truecaller from Google Play.
2. Register (you will need a phone number for verification).
3. Open the application and go to the Lock section (the shield icon at the bottom).
4. Add the number manually or select from the list of recent calls.
5. Activate the option to block spam for automatic filtering.

Truecaller can conflict with Xiaomi’s built-in lock, so:

• 🔄 If the calls continue to pass, turn off the lock in MIUI And then you just leave the Truecaller (or vice versa).
• 📵 In Truecaller settings, you can choose whether to block the number completely or only mark as spam.

💡

If after installing Truecaller no call notifications have come, check the application permissions in Settings → Annexes → Truecaller → Notifications and enable the option to Show Notifications.

5. Blocking numbers through the operator

If system methods do not help (for example, a spammer uses different numbers), you can connect the lock service from the operator.

• 📡 MTS: service "Spam Protection" (free for subscribers of tariffs "Everything!" and "Ultra"). USSD-code *111*777#.
• 📡 Beeline: "Antispam" (30 rubles / month) Connected via personal account or on the number 067409710.
• 📡 MegaFon: Spam filter (free) and included in the MegaFon app or over USSD *105*499#.
• 📡 Tele2: "Spam protection (free of charge) activated via personal account.

Advantages of operator lock:

• 🔄 Works even if the spammer changes numbers (blocking by templates).
• 📵 It doesn’t depend on the phone settings.

Disadvantages:

• 💰 Frequently paid (except basic rates).
• 🔧 Less flexibility compared to Xiaomi’s built-in tools.

⚠️ Note: Operator lock may delay important messages (e.g. from banks or services). Before connecting, check the list of exceptions in the operator's personal account.

6. How to unlock a number on Xiaomi

If you accidentally blacklist a number or change your mind about blocking a contact, it can be easily unlocked, depending on how you initially blocked the number.

Through the Phone app:

1. Open the phone. → three-point (⋮) → Settings.
2. Select the Blacklist.
3. Find the number in the list and swipe it to the left (or click on the basket).
4. Confirm removal.

Through the security settings:

1. Go to Settings. → Security → Blacklist.
2. Slip on the number and select Delete.

Through Truecaller:

1. Open Truecaller and go to the Lock section.
2. Find the number and swipe it left or press Unblock.

If the call is opened after the call or SMS They don't come:

• 🔄 Reboot the phone.
• 📵 Check if the operator has activated the lock.
• 🛠️ Update Phone and Messages apps via Google Play.

7. Frequent problems and their solutions

Sometimes, locking numbers on Xiaomi doesn’t work properly. Let’s look at typical situations and how to fix them.

Problem 1: Calls from a locked number still pass.

• 🔍 Check if other blocking apps (like Call Blocker) are installed that conflict with the built-in feature.
• 📵 Make sure the number is blacklisted in all apps (Phone, Messages, Truecaller).
• 🔄 Restart your phone – sometimes changes only apply after a reboot.

Problem 2: They don't come SMS from a blocked number, but notifications are required (for example, from a bank).

• 🏦 Add the bank number to the exceptions. Go to Settings for this. → Security → Blacklist → Exceptions and enter the number.
• 📵 If you use Truecaller, set up the White List in its settings.

Problem 3: After the update MIUI blacklist.

• 🔧 This is a well-known error in some versions. MIUI 13.To restore the list, export it in advance to Settings. → Security → Blacklist → Exports.
• 📄 If there is no backup, check the call log - it is possible that the numbers have been preserved in history.

Problem 4: I can’t find the “Black List” section in the settings.

• 🌍 If you have a global version MIUI, This section can be called Blocklist or Harassment filter.
• 🔍 In some firmware (for example, for Xiaomi) EU) The other way: Settings → Annexes → Application management → Phone. → Blacklist.
• 🛠️ If there is no partition at all, update your firmware or use Google Messages to block it. SMS.

💡

If you often encounter lock problems, try resetting the Phone app settings to factory: Settings → Annexes → Application management → Phone. → Warehouse → Clear the data. After that, the blacklist will be blank, but the errors should disappear.

FAQ: Frequent questions about the blacklist on Xiaomi