How to add a number to the blacklist on Xiaomi Redmi: all working methods

Calls from intrusive sellers, scammers, or ex-friends can be a serious setback. Fortunately, Xiaomi Redmi smartphones based on the MIUI shell offer several ways to block unwanted contacts, from built-in tools to third-party applications. In this article, we will analyze all the current methods, including hidden features that many users do not even know about.

It’s important to understand that locking works differently depending on the MIUI version and the Redmi model, for example, on new devices (for example, the Redmi Note 12 or Redmi K60), the call filtering algorithm is updated, and on older ones (like the Redmi 4X), you may need to manually adjust, we took these nuances into account and prepared universal instructions that will suit most of the brand’s gadgets.

If you're faced with a situation where the lock doesn't work or the number keeps calling, there's a problem-solving section at the end of the article, and we've also compared the effectiveness of each method in the table to help you choose the best option for your model.

1. Blocking through the standard application "Phone"

The easiest way to add a number to the blacklist is to use the built-in Phone app (green handset), which works on all Xiaomi Redmis with MIUI 10 and later, including the latest versions of MIUI 14/15 based on Android 13/14.

Instructions:

• 📱 Open the Phone app and go to the Log tab (clock icon at the bottom of the screen).
• 🔍 Find an unwanted number in the list and click on it to open the details of the call.
• ⚙️ In the upper right corner, tap three points (⋮) and select Block the number.
• ✅ Confirm the action by pressing OK in the window that appears.

After that, all incoming calls and SMS The locked number will automatically deviate. MIUI 14 and later, the lock applies to messages in Messaging (standard) SMS-attachment).

Number added to call log | Call details open |Selected item "Block number" |Certified action in dialog-->

⚠️ Note: Some models (e.g. Redmi) 9A s MIUI 12.5) After blocking, the number may still appear in the log as a missed call, but without an audible signal. To hide such records completely, you need to additionally configure filtering in Settings. → Number locking.

2. Manage blacklisting through MIUI settings

If you need to add multiple numbers en masse or edit an existing blacklist, it is more convenient to use the MIUI settings section. This method is suitable for all Xiaomi Redmi, including models without Google services (for example, the Chinese versions).

How to open the blacklist:

1. Go to Settings (cog icon).
2. Scroll down and select Applications → Application Management.
3. In the search bar, enter the phone and tap on the application.
4. Go to Number Lock (some firmwares call it Spam and Lock).

Here you will see three tabs:

• 📞 Blocked numbers – list of contacts already added.
• 📥 The log of the blocked calls is the history of the blocked calls and SMS.
• ⚙️ Settings – here you can enable the lock of unknown numbers or configure exceptions.

To add a new number:

1. Click Add (+) in the upper right corner.
2. Select the source: From contacts, from the log or enter the number manually.
3. Confirm the addition.

3. Blocking directly through SIM-map (USSD-code)

If you use Xiaomi Redmi with two SIM-cards or want to lock the number at the operator level, you can use the USSD-This method works independently of the firmware and does not require Internet access.

Instructions for popular operators:

• 📶 MTS: Dial *111*77# Follow the instructions on the menu.
• 📶 Beeline: send SMS with text block number phone number on 5100.
• 📶 MegaFon: dial *130# and select the Blacklist.
• 📶 Tele2: send SMS text-block number 777.

The advantage of this is that locking works even if you change your phone or reset Redmi to factory settings.

• ❌ Not blocking. SMS (call-up).
• ❌ On some tariffs, the service is paid (check with the operator).
• ❌ List limited (usually no more than 30 numbers).

MTS|Beeline|MegaFon|Tele2.|Yota|Other-->

⚠️ Note: If you use Redmi with eSIM (e.g. Redmi Note 11 Pro)+ 5G), USSD-The team may not work through a virtual SIM. In this case, block the number through the operator’s application (for example, “My MTS” or “MegaFon Personal Account»).

4.Use of third-party applications to block

Standard MIUI tools don’t always handle mass spam calls, and Google Play apps will help, and we’ve tested some of the most popular solutions and selected the best ones for Xiaomi Redmi:

Top.-3 lock-in:

• 🛡️ Truecaller – detects spam numbers from the database, blocks calls and SMS, Supports Russian, minus: requires registration and access to contacts.
• 🚫 Blacklist Plus is a simple blocker with the ability to set a schedule (for example, block at night.
• 📵 Call Blocker – allows you to create whitelists and block entire region codes (for example, all numbers from the Internet). +375).

How to set up Truecaller on Redmi:

1. Install the app from Google Play.
2. When you first start, allow access to contacts and call logs.
3. Go to Settings. → Lockdown.
4. Enable the options to Block Spam and Block Hidden Numbers.
5. Add numbers manually through my blacklist.

On Xiaomi Redmi with MIUI 13+ Truecaller can conflict with the built-in blocker. To avoid double lock, disable the standard blacklist in the MIUI settings.

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If the blocker continues to receive calls after installing, check the application's permissions in Settings → Apps → Permissions. Make sure it has access to phone features and SMS.

5. Hidden MIUI features for extended locking

The MIUI shell contains several hidden features that will help fight spam more effectively.These features are not documented, but work on most Xiaomi Redmi.

Function 1: Blocking keywords in SMS

If you are flooded with spam messages with certain phrases (for example, “you won”, “loan”), you can set up automatic filtering:

1. Open Messages (Messaging app).
2. Tap it on three points (⋮) → Settings → Blocking and Spam Filtering.
3. Enable Spam Filter and add keywords to the Word Blacklist.

Function 2: Do Not Disturb Mode for Unknown Numbers

This option automatically sends all calls from unsaved contacts to the blacklist:

1. Go to Settings → Sound and vibration → Do not disturb.
2. Select Allow Exclusions → Calls.
3. Set the switch Only contacts in the position On.

Function 3: Geolocation Lock (for MIUI 14+)

On the new Redmi (for example, Redmi Note 12 Pro) you can block numbers from certain countries:

1. Open Settings → Applications → Phone → Lock numbers.
2. Select Settings → Block by region.
3. Add country codes (e.g. +1 for the U.S., +90 for Turkey).

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Hidden MIUI features allow you to block not only individual numbers, but also entire categories of calls (by keywords, regions or time of day), which is especially useful for combating mass spam.

6.What to do if the lock is not working?

Sometimes even after you add a number to the blacklist, the calls keep coming in.

Problem 1: The number appears as “Unknown” or “Hidden”

The standard MIUI lock doesn't always recognize hidden numbers.

• Use the Truecaller app, which identifies some of the hidden calls.
• Enable the option to Lock Hidden Numbers in your phone settings (Settings → Applications → Phone → Locking Numbers → Settings).
• Contact the operator to block all hidden calls (the service may be paid).

Problem 2: Lock is reset after MIUI update

After major updates (e.g. from MIUI 13 to MIUI 14), the blacklist may be reset to avoid data loss.

• Export a list of locked numbers before updating (Settings → Applications → Phone → Lock numbers → Export).
• Use backup through Settings → About Phone → Backup and Reset.
• Install a third-party blocker (such as Blacklist Plus) that stores data regardless of firmware.

Problem 3: Calls pass through messengers (WhatsApp, Viber)

The lock at the phone level does not apply to Internet calls, to block the number in messengers:

• On WhatsApp: Open a chat room → ⋮ → More. → Lock down.
• In Viber: Go to the contact profile → Block this user.
• In Telegram: Open a chat → ⋮ → Block the user.

⚠️ Note: Xiaomi Redmi with root rights or custom firmware (for example, LineageOS) standard lock MIUI In this case, use apps like Call Blocker that support root access.

7.How do you check if the lock is working?

To make sure that the number is actually locked, follow the following steps:

Method 1: Test call

Ask a friend to call you from a locked number, and if everything is set up correctly, you won't hear the signal, and the call log will show a record marked Locked.

Method 2: Checking the lock log

1. Open Settings → Applications → Phone → Lock numbers.
2. Go to the tab "Blockage Log"
3. Make sure there are records of blocked calls from the correct number.

Method 3: USSD Verification (to lock the operator)

Call a team to check the blacklist from your operator:

• MTS: *111*77# → 1 (view list).
• Beeline: send SMS text-list.
• MegaFon: *130# → 2 (my settings).

If the lock doesn’t work, try the alternative methods in Section 6 or contact Xiaomi through the Mi Community app.

FAQ: Frequent questions about room locks on Xiaomi Redmi