Xiaomi Antispam: How to turn on and configure spam protection in 2026

Spam calls, SMS-Mailing and intrusive notifications from scammers have become a real problem for smartphone owners. Xiaomi offers built-in tools to combat unwanted messages, but many users do not know how to activate them correctly. In this article, we will discuss all ways to enable anti-spam on devices with MIUI 14/15, including Redmi, POCO Xiaomi of different generations.

The MIUI firmware filtering system is based on a database of known spammers that the company regularly updates, but the standard settings are often not aggressive enough, as many users continue to receive unwanted messages, and we will show you how to strengthen protection, set up blacklists, and integrate third-party solutions for maximum efficiency.

Why does anti-spam work out of the box on Xiaomi?

By default, the MIUI anti-spam function is activated but is in soft mode, due to several factors:

• 🔄 Regional restrictions: spammer bases vary from country to country if you travel or use SIM-foreign operator card, filtering may be weakened.
• 📱 Version. MIUI: in old firmware (up to) MIUI 12) antispam was less developed. Update to MIUI 14/15 Adds new recognition algorithms.
• 🔧 Default settings: Xiaomi tries not to block messages "just in case" so users do not miss important notifications.
• 🤖 Spammer bypass: Scammers constantly change message numbers and templates, bypassing standard filters.

In addition, some carriers (such as MTS or Beeline) have their own anti-spam systems that may conflict with Xiaomi’s built-in protection.

Method 1: Incorporating standard antispam into MIUI

Basic spam protection is built into the Messages app to activate it:

1. Open the Messages app (an envelope icon).
2. Slip on three dots in the upper right corner and select Settings.
3. Go to Antispam or Spam Protection (the name may vary depending on the version of MIUI).
4. Activate the switch to Enable anti-spam.
5. In the Filter Level section, select High or Aggressive (if available).

After activation, the system will automatically sort incoming SMS into three categories:

Importantly, MIUI 15 has a Smart Filtering feature that analyzes not only the number but also the content of the message, and it recognizes fraud patterns (e.g., "Your account is blocked" or "You won a prize").

Method 2: Manually configure the blacklist

If automatic filters let spam through, you can manually block numbers.

1. Open the phone application (green handset).
2. Go to the tab Journal or Contacts.
3. Find the spammer's number and tap it.
4. In the window that opens, select Block or Add to the blacklist.
5. Confirm the action in the dialog window.

To manage the blacklist centrally:

1. Go to Settings → Applications → Phone → Blacklist.
2. Here you will see all the blocked numbers and can edit them.
3. To add a new number, press + and enter it manually.

⚠️ Attention: the number locking application Phone only works on calls. SMS from the same number, you need to do it separately in the message app.

On devices with MIUI 14+, you can block keywords, for example, you can set the filter to the words "credit", "win" or "gift" so that all messages with them automatically fall into spam.

Method 3: Using Google Messages for Extended Filtering

If Xiaomi’s standard anti-spam doesn’t suit you, you can install Google Messages, Google’s official application with improved spam protection.

• 🔍 More accurate spammer database (updated more often than in the MIUI).
• 🤖 Integration with Google Assistant to recognize fraudulent messages.
• 🌍 It works equally well in any country (unlike Xiaomi’s regional bases).
• 🔄 Automatic categorization of messages (personal, transactions, promotions).

To set up Google Messages:

1. Install the app from Google Play (unless it is preinstalled).
2. Make it the default SMS app in Android settings.
3. Open Google Messages → Settings → Spam Protection.
4. Activate options: Enable spam protection Filter messages from unknown senders Show fraud warnings

The app will tag suspicious messages with the Spam tag and prompt them to block them.In addition, Google Messages supports verification of senders - if the message came from a trusted business (for example, a bank), it will be ticked.

⚠️ Note: When using Google Messages, turn off standard antispam in the MIUI, Otherwise, some messages may be blocked twice or, conversely, skipped.

Method 4: Third-party applications to block spam

If the built-in tools don't work, you can install specialized anti-spam apps. The best options for Xiaomi are:

To install and configure Truecaller (the most popular solution):

1. Download the app from Google Play.
2. Register (you can use Google or phone number).
3. Provide access to contacts, call logs and SMS (necessary for work).
4. In settings, activate: Spam Blocking (for calls and SMS) Number Identification (shows the name of the caller) Cloud Sync (update the spammer database)

Truecaller can conflict with Xiaomi’s built-in Phone app. To avoid problems, make it the default calling app in Android settings.

💡

If after installing Truecaller stopped coming SMS from banks, add their numbers to the whitelist in the application settings.

Method 5: Spam blocking at the operator level

Many Russian operators (MTS, Beeline, MegaFon, Tele2) provide their own anti-spam services, they work at the network level and block messages before they reach your phone.

• 📞 MTS: send SMS with the text STOP SPAM to number 111 or activate the service in your personal account.
• 🔵 Beeline: connect "Spam Protection" through USSD-team *110*789# or in the My Beeline app.
• 🟢 MegaFon: Antispam service is activated by the team *105*456# or on the operator's website.
• 🔴 Tele2: Send Stop to 0002 to block advertising mailings.

Advantages of Operator Anti-Spam:

• 🛡️ The lock works even if the phone is turned off or without it. SIM-maps (network level).
• 🔄 Spammer databases are updated by the operator in real time.
• 📱 Does not load the processor of the smartphone (unlike applications).

However, there are also disadvantages:

• ❌ Does not block spam from international numbers.
• ❌ May miss messages from new spam schemes.
• ❌ Sometimes it blocks legitimate mailings (for example, from banks).

⚠️ Note: if you use a virtual operator (e.g. Tinkoff Mobile or Yota), check if they support antispam. MVNO provide this service.

Additional measures: how to reduce the amount of spam

In addition to technical means, you can reduce the flow of spam with simple actions:

• 🔐 Do not publish a number in the public domain: avoid specifying the phone on forums, social networks or on sites with a dubious reputation.
• 🛒 Use temporary numbers: use services such as SMS-Activate or virtual to register on websites SIM.
• 📋 Subscribe from mailings: at the bottom of most advertising SMS There is an instruction to unsubscribe (for example, send a stop to a short number).
• 🔄 Clean the blacklist regularly: Remove old blocked numbers to avoid accumulating garbage.
• 📱 Update. MIUI: New firmware versions improve spam filtering algorithms.

If you start receiving spam after installing an app, check its permissions:

1. Go to Settings → Applications → Application Management.
2. Find a suspicious app and open its settings.
3. Check permissions for SMS, Contacts and Phone.
4. If the application requests unnecessary permissions (e.g., a gaming app requests access to an SMS), delete it.

💡

The combination of built-in MIUI + Google Messages + manual blacklisting gives the best result. Third-party applications (like Truecaller) are useful, but can conflict with system functions.

FAQ: Frequent questions about anti-spam on Xiaomi