How to turn on anti-spam on Xiaomi Redmi Note 7: all ways to protect against intrusive messages

Spam calls and messages from scammers have become a real scourge of modern smartphones. Owners of Xiaomi Redmi Note 7 often face a flood of advertising SMS, And it's about automated robbrae and phishing notifications that are not only annoying, but they also create real security risks. MIUI offers built-in tools to combat this – you just need to know where to look for them and how to set up the right setup.

In this article, we will discuss in detail all the available ways to activate anti-spam on Redmi Note 7: from the basic filtering functions in the standard Phone application to hidden settings. MIUI Security and third-party solutions. We will pay special attention to the nuances of working on different versions of firmware (from the MIUI 10. MIUI 14), as the location of options may vary, you will also learn how to manually block spam numbers, set up blacklists, and even use cloud databases to identify scammers.

Important: some of the anti-spam features on Xiaomi are tied to the firmware region.If your Redmi Note 7 is running on a global platform (MIUI Global), Chinese (MIUI China or European (MIUI EE) versions, available options may vary, and we will point out these differences in the respective sections.

1. built-in spam protection in MIUI: where to look?

Firmware MIUI It has a built-in security module that includes anti-spam features, and on the Redmi Note 7, these tools are hidden in two key sections: the Phone app and the Security system menu.

The first and most obvious way is to set up the phone app, and you can enable automatic filtering of incoming calls. SMS. The path to options:

• 📱 Open the Phone app (the tube icon on the home screen)
• 🔧 Click on three dots in the upper right corner → Select Settings
• 🛡️ Go to Blocking and Spam Protection (or Spam and Blocking in Older Versions) MIUI)
• 🔄 Activate the Spam Protection Switch (may be called Spam Filtering)

The second option is the Security System App, which is a more advanced tool, including the Xiaomi cloud-based spam number database, to get there:

• 🛡️ Run the Security app (if it is not on the home screen, search through the system search)
• 🔍 Go to the tab Protection against spam or antispam (depending on version) MIUI)
• 🔄 Enable Call Filtering and Message Filtering
• ☁️ Activate Cloud Protection to Access Spam Numbers (Requires Internet Connection)

⚠️ Attention: On Chinese firmware (MIUI China) cloud filtering may require a link to a Chinese Mi Account. If your smartphone runs on this version, consider flashing it to a global one. MIUI Global or use alternative methods from the following sections.

Filtration settings SMS: How to block spam messages

Spam messages on Redmi Note 7 can come not only through standard SMS, But it's also through messaging apps like WhatsApp or Viber. MIUI They only work with traditional text, so they can filter it:

1. 📩 Open the "Messages" app (an envelope icon).
2. 🔧 Click on three dots in the upper right corner → Settings → Spam and blocking.
3. 🔄 Turn on the switch Spam Filtering.
4. 📋 In the Blacklist section, you can manually add numbers or keywords to block (for example, “winning”, “credit”, “gift").
5. ☁️ Activate Cloud Filtering to Use Xiaomi’s Spam Numbers Base.

If spam is in English or another language, you can select Block Messages in Foreign Languages in the filter settings, which is especially useful for users who do not expect to see it. SMS in languages other than native.

For more flexible settings, we recommend using regular expressions, for example, you can block all messages containing:

• 💰 Phrases like "you won," "prize," "1,000,000"
• 📞 Numbers with non-standard prefixes (e.g. starting with the +375 if you don't expect SMS Belarus)
• 🔗 Links to suspicious domains (e.g, bit.ly/... or tinyurl.com)

⚠️ Note: If you have stopped receiving important filters after activating the filter SMS (For example, from a bank or service, check the Spam folder in the Messages app. Sometimes legitimate notifications get there. To avoid this, add bank and delivery numbers to the White List in the filtering settings.

3. Blocking spam calls: blacklist and cloud base

Robbing and fraudulent calls are one of the most annoying issues, and there are several ways to deal with them on the Redmi Note 7:

Enable filtering in the "Phone" app"|Activate Cloud Protection in Security"|Add known spam numbers to the blacklist|Set up a lock on unknown numbers|Check the regional filtering settings-->

The most reliable method is a combination of a blacklist and a cloud base.

1. 📞 Open the phone app" → Journal.
2. 🔍 Find the number from which the spammer called in the list and click on it.
3. 🚫 Choose Block (or Add to the Blacklist).
4. ☁️ Back to Settings → Spam and Block and Activate Cloud Spam Protection.

To block unknown numbers (those that are not saved in the contacts):

• 🔧 Go to Settings. → Spam and blocking → Locking down calls.
• 🔄 Enable the option to Block Unknown Numbers.
• ⚠️ Be careful: This can block important calls (such as from couriers or new customers if you use your phone to work).

If spam calls come from numbers masquerading as local (e.g., spam calls, +7 495 XXX-XX-XX), turn on the extra check:

• ☑️ In the lock settings, activate the number authentication (if there is such an option).
• 🔍 This will help to weed out calls from fake numbers (spoofing).

Third-party anti-spam applications: when built-in features are not enough

If the standard instruments MIUI They can't handle spam, they can use third-party apps, and they offer more flexible settings, more spam databases, and additional features like real-time fraud detection.

Here's the top.-3 Proven anti-spam applications for Redmi Note 7:

• 🛡️ Truecaller is the most popular solution with a database of billions of numbers, and can detect spam calls before they are answered, showing the name of the caller (even if the number is not in contacts.
• 🔍 Kaspersky Who Calls is a security-focused Kaspersky Lab solution that recognizes phishing numbers and fraudulent schemes. The free version has limitations.
• 📵 Hiya: Caller ID & Block is a lightweight application with a minimalist interface that effectively blocks robbrae and SMS-spam, but updates the number database less often than competitors.

Before installing third-party anti-spam, consider:

• ⚠️ Some applications require permission to access calls and SMS, What could be a privacy risk? Check the reviews and reputation of the developer.
• 🔋 Anti-spam applications run in the background and can increase battery consumption by 5-10%.
• 📶 To update the databases of spam numbers requires an Internet connection (better over Wi-Fi, so as not to waste mobile traffic).

If you choose to use Truecaller after installation:

1. 📱 Launch the app and register (you can use Google or Facebook).
2. ☎️ Provide access to calls and contacts (required for work).
3. 🔧 In the settings, enable Auto-Block Spam and Number Identification.
4. ☁️ Update the spam number database manually (Settings section) → Updates).

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If after installing anti-spam applications, call notifications stop coming, check the battery optimization settings in the MIUI. Add the application to the list "No restrictions" in the Settings section → Battery → Optimizing the battery.

5. Hidden functions MIUI: Extended protection against spam

In addition to the obvious settings, MIUI There are a few hidden features that will help to strengthen the protection against spam. They are not always documented, but work on most versions of the firmware for the Redmi Note 7.

One of the most effective methods is to activate the Strict Filter mode through the engineering menu, so you can turn it on.

1. 📱 Open the phone app".
2. 🔢 Enter the code ##4636## (test menu opens).
3. 🔧 Go to the tab Phone Information.
4. 📋 Scroll down and find the Set spam filter level (or similar) section).
5. 🔄 Set a value of 2 (medium level) or 3 (strict level).

Another useful option is blocking. SMS It allows you to create complex rules for filtering, for example, to block all messages with bitcoin wallets:

1. 📩 Open "Messages" → Settings → Spam and blocking → Add a rule.

For users who often receive spam by email (for example, through the Mail application), the MIUI It has a built-in filter:

• 📧 Open the "Mail" appendix".
• 🔧 Go to Settings. → Account. → Spam filter.
• ☑️ Enable Automatic Filtering and Add Spamer Domains to the Blacklist.

⚠️ Warning: Changing your settings through the engineering menu (##4636###) can cause your phone to run in an unstable way if you set the wrong settings. Don't change the other options in this menu unless you're sure they're there## → Resetting Spam Filter Settings.

6.Update MIUI: Why is it important for anti-spam

Regular firmware updates MIUI Not only do they add new features, they also update spam databases, improve filtering algorithms, and close vulnerabilities that scammers can exploit. On the Redmi Note 7, updates are checked this way:

The path to updates:

• ⚙️ Open the Settings. → The phone. → Updating the system.
• 🔄 Click Check for Updates.
• ☁️ If a new version is available, download and install it (preferably via Wi-Fi).

After updating MIUI recommended:

• ☑️ Check your anti-spam settings – sometimes they are reset.
• ☁️ Update the database of spam numbers in the application "Security".
• 📋 Check the blacklist (sometimes the numbers are duplicated after the update).

If your Redmi Note 7 hasn’t received an update in a long time, it could be due to:

• 🌍 Firmware region: Chinese versions (MIUI China) updates more frequently than global.
• 🔒 Unlocked bootloader: If you previously unlocked bootloader, official updates may not come.
• 📵 Xiaomi server problems: sometimes updates are delayed due to technical work.

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If your Redmi Note 7 has stopped receiving updates MIUI, Check the model support status on Xiaomi's official website. Redmi Note 7 (codename lavender) last official updates were released in 2022. MIUI, You can switch to custom firmware like Xiaomi.EU or Pixel Experience, but this requires unlocking the bootloader and may deprive you of warranty.

7.Alternative methods: how to reduce spam without special tools

If for some reason you don’t want to use built-in or third-party anti-spam solutions, there are several alternative ways to reduce unwanted calls and messages.

Method 1: Replacement of the main number

If your number is in use and it's in the spammer database, it's easier to get a new one.

• 📱 Save the old number in the dual-SIM slot (if you still need it for work).
• 🔄 Move your important contacts to a new number via export/import to Google Contacts.
• 📋 Configure the redirection of calls from the old number to the new (the service is paid for most operators).

Method 2: Use of virtual numbers

Use virtual numbers to register on websites and services (e.g., Google Voice or TextNow) to protect the host number from being spambed.

Method 3: Manually Adding Spamers to a Blacklist

Even without automatic filtering, you can manually block the numbers:

1. 📞 After spam call, open a call log.
2. 🔍 Find the spammer number and hold your finger on it.
3. 🚫 Choose Block or Add to the Blacklist.

Method 4: Complaints to the operator

In Russia, Ukraine, Kazakhstan and other CIS countries, operators are required to block spam numbers on complaints from subscribers.

• 📞 Call in support of your operator (numbers: 0611 for Beeline, 500 for MTS, 0890 for MegaFon).
• 📧 Send. SMS with the text STOP to a short spammer number (does not work with all mailings).
• 🌐 Fill out the form on the operator's website in the section "Complaints about spam".

Frequently asked questions