How to block the phone number Xiaomi Redmi 7A: all the ways

Protection from intrusive calls and SMS-spam on Xiaomi Redmi 7A — Despite modest specifications, the model supports all standard locking tools: built-in blacklist, filtering through the Internet. MIUI But many users don't know that Redmi has a lot of apps. 7A There are hidden features, such as automatic locking of unknown numbers or integration with operator services.

In this article, we will discuss 5 working ways to lock a number on Xiaomi 7A, including little-known tricks with MIUI 12/14. Particular attention will be paid to the problems faced by owners: why the lock is reset after an update, how to restore deleted contacts from the blacklist and what to do if the spammer uses different numbers.

1.Blocking through the standard MIUI blacklist

The most obvious and quick way is to use the built-in Blacklist feature in the MIUI. On the Redmi. 7A It works even without an Internet connection, but has a limitation: it blocks only incoming calls. SMS-The messages can pass through:

1. Open the phone application (pipe icon).
2. Click on the three dots in the upper right corner → Settings.
3. Select Number Block (or Blacklist in older versions of MIUI).
4. Tap Add a number and enter the spammer number manually or select from the log.

⚠️ Attention: On Redmi 7A s MIUI 10 and below, the blacklist can be reset after resetting settings or updating the firmware.To avoid data loss, export the list through Settings → System system → Backup.

If the required number is not in the journal, it can be added through contacts:

1. Open Contacts. → find the right number.
2. Tap me in. → three-point → Lock down.
3. Confirm the action in the pop-up window.

2. Spam filtering through MIUI settings

MIUI on Xiaomi Redmi 7A has a hidden automatic spam filtering feature that works at the system level. Unlike the blacklist, it analyzes Xiaomi's database and blocks known fraudulent numbers.

1. Go to Settings → Applications → Phone.
2. Choose Spam Filtering (or Spam Protection).
3. Activate the slider Filter spam calls.
4. Optionally enable Filter Messages for SMS.

🔍 How it works: The system compares incoming numbers to Xiaomi’s database, which is updated weekly. The efficiency is about 70% for Russian operators and 90% for international spam. However, some users complain of false positives when legitimate numbers are blocked (e.g. from banks or delivery services).

3. Blocking through the operator

If the built-in MIUI tools don't work, you can lock the number at the operator level, and this is effective against spammers who change numbers all the time, and each operator has its own mechanism:

• 📱 MTS: Send. SMS with the text BLOCK XXXXXX (where XXX is the number) on 111. Or use the personal account in the application My MTS.
• 📱 Beeline: Dial it up *110*777# And follow the instructions. The alternative is to use the Antispam service in your personal account.
• 📱 MegaFon: Go to your personal account → Services → Block numbers or send Block XXXXXXX to 0500.
• 📱 Television2: Use it. USSD-team *220*1*XXXXXX# or mobile application.

⚠️ Attention: The operator's lock is only valid on the operator's network, if the spammer calls from another operator's number, the call will pass, and some operators charge for this service (for example, MegaFon charges 3 rubles / day for extended lock).

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Before locking through the operator, check if the number is "gray" (for example, from a bank or delivery service).

4. Third-party applications for blocking

If the built-in Redmi 7A tools don't work, you can install specialized applications.

• 🛡️ Truecaller identifies spammers based on 300 million users. SMS.
• 🔒 GetContact – shows how other users have tagged a number (such as “Cracker” or “Spam").
• 📵 Blacklist Plus – Advanced blacklist with a lock schedule (e.g., only at night).
• 🚫 Should I Answer? -- blocks numbers based on crowdsource data.

🔧 How to install: Download the app from Google Play, grant permissions to access calls and SMS, Then add the numbers to the blacklist. 7A 2GB RAM is recommended to use lighter versions (e.g. Truecaller Lite) so that the system does not brake.

📊 Comparison of applications:

5. Blocking of unknown and hidden numbers

On Xiaomi Redmi 7A, you can automatically block all calls from unknown or hidden numbers (where the number is displayed instead of “Unknown” or “Private Number”).

1. Open the phone → Settings → Lock numbers.
2. Activate the option to block unknown numbers.
3. Optionally enable Block Hidden Numbers (if there is such a point).

⚠️ Warning: This feature blocks all calls from unknown numbers, including legitimate ones (such as clinics or taxi services).If you are waiting for an important call from an unfamiliar number, temporarily disable the lock.

🔄 Bypassing the restriction: If you only need to block certain unknown numbers (e.g., starting with a +375 or +380), use the Blacklist Plus app with prefix rules setup.

6.Recovery of deleted numbers from blacklist

If you accidentally deleted a number from the blacklist or reset your settings, you can restore it in several ways:

• 🔄 Backup copy. MIUI: Go to Settings. → System system → Backup and select the last copy with the blacklist.
• 📱 Call log: If the number has called before, find it on the phone → Log and add to the lock again.
• 📧 Isa SMS: Open a message from the spammer → press the number → Lock down.
• 🖥️ Through Google Contacts: If sync has been enabled, check contacts.google.com under "Other Contacts".

💡 Tip: To avoid data loss, regularly export the blacklist to the file:

1. Install Blacklist Backup from Google Play.
2. Make a backup copy of the blacklist in.xml format.
3. Save the file to the cloud (e.g. Google Drive or Mi Cloud).

7. Frequent problems and solutions

Xiaomi Redmi 7A owners often face the following issues when locking numbers:

1. The lock does not work after the update MIUI. 🔧 Solution: Reset the settings of the Phone application in Settings → Annexes → Phone. → Warehouse → Clear the data. Then add the numbers to the blacklist again.
2. Spammer calls from multiple numbers. 🔧 Solution: Use Truecaller app with keyword lock function (e.g., block all prefixed numbers) +7999).
3. They don't come. SMS from blocked numbers, but you need notification from the bank. 🔧 Solution: Add the bank number to the Exceptions in the lock settings or use a separate application to SMS-filtration (e.g., filtration, SMS Block).

🛠️ If nothing works: In an emergency, you can use the "Do Not Disturb" mode with exceptions for important contacts:

1. Go to Settings → Sound → Do not disturb.
2. Choose only important or only contacts.
3. Add the required numbers to the Exclusions.

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On Xiaomi Redmi 7A with MIUI 12+, blacklisting works at the system level, so it is more efficient than third-party applications. However, for advanced filtering (for example, for keywords in SMS), it is better to use specialized utilities.

FAQ: Answers to Frequent Questions