How to block contact on a Xiaomi smartphone: all ways in 2026

Why block contacts on Xiaomi and what restrictions it imposes

Blocking contacts on Xiaomi, Redmi or smartphones POCO — It's not just a way to get rid of intrusive calls, it's a complete privacy protection tool that works at the operating system level. MIUI. When you lock the number, the phone automatically:

• 📞 Rejects incoming calls without an audible signal (subscriber will hear short horns or voice message "subscriber is not available")
• 💬 Hiding. SMS and MMS — Messages do not enter the Inbox folder, but are saved in the Spam section"
• 🔔 Blocks notifications from messengers (if the number is linked to the account in WhatsApp, Telegram, etc.)
• 📱 Excludes contact from search results in the phone book

It’s important to understand that locking on Xiaomi is a local solution. The subscriber can still call you from other numbers, and in some instant messengers (for example, Viber), locking through the phone book does not work – you need to set the ban separately.

In this article, we will discuss all the current ways to block the MIUI 14/15 (including HyperOS), and how to avoid common errors when the system refuses to lock a number. 2020 year of release (for example, Redmi Note) 8 Pro or Mi 9T), Some menu items may be slightly different – we’ll mention that too.

Method 1: Locking through the standard "Phone" application

The fastest and most versatile method is to use the built-in Phone app (the handset icon on the home screen), which works on all Xiaomi models, regardless of the version. MIUI, It doesn't require an Internet connection:

1. Open the Phone app and go to the Log tab (the clock icon at the bottom of the screen).
2. Find the number you want to block in the list and tap it.
3. In the contact card that opens, click on three vertical points (⋮) top-right.
4. Select the option Block the number (on some firmware - Add to the blacklist).
5. Confirm the action by pressing OK in the window that appears.

If the contact is already saved in the phone book, you can go another way:

1. Open the Contacts app (the icon of a person’s silhouette).
2. Find the right contact and open your card.
3. Tap on three points (⋮) → Lock down.

⚠️ Note: On smartphones with HyperOS (e.g. Xiaomi 14 or Redmi) K70) If you don't see the "Block" item, try holding your finger on the number in the call log, and you'll see a context menu with the right option.

Make sure the number is displayed in the journal|Make sure that the contact is not hidden in the archives.|Update the Phone app in Google Play|Restart your phone if the lock is not working.-->

Method 2: Blacklist in settings MIUI

If the first method didn't work (for example, because of customized firmware), you can lock the number through system settings, which is more reliable, because the lock is applied at the OS level, not on a single application.

1. Open the settings (cog icon).
2. Go to the Appendix section → Application management.
3. In the search bar, enter the phone and select the standard application.
4. Slip on the Permits. → Additionally. → Blacklist.
5. Click Add a number and enter the blocked contact manually or select from the phone book.

Nana MIUI 15 and HyperOS may be different:

→ SIM-maps and mobile networks → Call lock → Blacklist

🔹 Features of the method:

• 📱 It works even if the number is not saved in the contacts.
• 🔄 The lock is valid for everyone. SIM-cards (if there are several).
• 🔒 You can add up to 500 numbers to the blacklist (limit) MIUI).
• 📴 Does not block VoIP calls (such as WhatsApp Calls or Skype).

💡

If you block numbers often, add a blacklist to the home screen, and then hold your finger in the free space of the screen. → Widgets → Settings → Blacklist.

Method 3: Blocking through Google Contacts (for synchronized accounts)

If your contacts are synced with your Google account, you can block the number through the web version of Google Contacts. This is convenient when the phone is unavailable (for example, lost or discharged), but you need to immediately disable calls.

1. Open contacts.google.com on your computer or other device and log in.
2. Find the contact you want to block and open your card.
3. Press three points (⋮) → Lock down.
4. Confirm the action in the window that appears.

🔹 Important nuances:

• 🔄 The lock will apply to all devices where you are logged in to this Google account.
• 📱 On the Xiaomi smartphone, the lock will only work if the phone’s settings enable contact synchronization (Settings) → Google accounts → Synchronization of contacts).
• ⚠️ If the contact is removed from Google Contacts, the blocking will also be removed.

⚠️ Note: Some users confuse blocking in Google Contacts with blocking in Google Messages (app for Google Messages) SMS). It's different functions! SMS Google Messages, you need to:

1. Open the message from unwanted contact.
2. Tap three points (⋮) → Details. → Block and report spam.

Method 4: Blocking in messengers (WhatsApp, Telegram, Viber)

Standard locking at level MIUI If a blocked contact textes you on WhatsApp, Telegram or Viber, you'll have to set the ban in each application separately.

📱 WhatsApp

1. Open the chat with the contact you want to block.
2. Tap on three points (⋮) top-right → More. → Lock down.
3. Confirm the action by clicking Block again.

💬 Telegram

1. Open the user profile (slip to his name at the top of the chat).
2. Press three points (⋮) → Block the user.
3. Choose Block and delete (if you want to erase your correspondence history) or simply Block.

📞 Viber

1. Open the contact chat.
2. Put it on his name at the top. → Information → Lock down.
3. Confirm the lockdown.

🔹 What gives the lock in messengers:

⚠️ Note: In Telegram, a blocked user can see that you are online if he logs into your profile via a web version or other device. To completely hide the activity, you need to additionally disable the Last Visit in the privacy settings.

Method 5: Third-party applications for blocking (Truecaller, Hiya, Should I Answer?)

If the built-in tools MIUI Not enough (for example, you need to block spam calls by mask or keywords), you can use third-party applications:

• 📊 Spammer databases (automatic blocking of known scammers).
• 🔍 Filtering by region (e.g. locking all numbers from another country).
• 📝 Log of blocked calls with the ability to unlock.
• 🔔 Smart notifications (e.g., “You were called by a spammer: a bank scammer").

🔹 Top.-3 apps:

📌 How to set up Truecaller on Xiaomi:

1. Download the app from Google Play.
2. At the first start, allow access to contacts and calls (required!).
3. Go to Locking (the shield icon at the bottom).
4. Turn on the options: 📵 Block spam 📵 Block hidden numbers 📵 Block numbers from other countries (if desired)

Blacklist.

⚠️ Note: Apps like Truecaller may conflict with built-in locking MIUI. If the phone’s standard functions stop working after installation (e.g., incoming calls don’t show up), try:

• Disable Truecaller as the default application for calls (Settings) → Annexes → By default).
• Clear the cache of the Phone application (Settings → Applications → Application Management → Phone → Clear the cache).

What to do if the lock is not working

Sometimes Xiaomi users find that locked numbers keep calling or texting, and the reasons can range from firmware bugs to incorrect settings, and we can look at typical problems and their solutions.

🔹 Problem 1: Calls pass, number on blacklist.

• 🔄 Solution: Check if the number has been added to the Exceptions. → Annexes → Application management → Phone. → Permits → Additionally. → Exceptions and delete the number from there.
• 📱 Solution: Update the Phone app via Google Play.

🔹 Problem 2: Locking only works for one person SIM-map.

• 📶 Solution: Go to Settings → SIM-maps and mobile networks → Block calls and make sure the option Apply to all is enabled SIM-map.

🔹 Problem 3: Messages from a blocked number still come.

• 💬 Solution: Lockdown SMS Separately configured! Go to the Messages app → three-point (⋮) → Settings → Spam and blocking → Blacklist and add the number there.

🔹 Problem 4: After resetting the settings, the lock flew off.

• 🔄 Solution: Restore the blacklist from the backup MIUI (Settings → The phone. → Backups) or add numbers again.

How to Unlock Contact on Xiaomi

If you change your mind or accidentally block the wrong number, it's easy to get it back.

📱 Through the "Phone" app"

1. Open the phone. → three-point (⋮) → Settings → Number locking.
2. Find the number in the list and tap on the basket (🗑️) near.
3. Confirm removal.

🔧 Through settings MIUI

1. Go to Settings. → Annexes → Application management → Phone. → Permits → Additionally. → Blacklist.
2. Select a number and press Delete.

☁️ Through Google Contacts

1. Open contacts.google.com.
2. In the menu on the left, select Blocked.
3. Find the contact and press Unlock.

⚠️ Warning: If you unlocked the number but the calls still don't pass, check:

• Is the contact added to the blacklist in messengers (WhatsApp, Telegram, etc.).
• Is the "Do Not Disturb" mode on (Settings) → Notifications → Don't disturb).
• Is it not worth the tick opposite to Reject all incoming settings SIM-map.

💡

Unblocking a number does not restore deleted messages or missed calls. If you need to save your correspondence history, do not delete chats in messengers before unlocking.

FAQ: Frequent questions about blocking contacts on Xiaomi