How to turn off all calls on your Xiaomi phone: 5 working ways

Why you may need to completely disable calls on Xiaomi

Situations where you want to completely block the possibility of calling on a Xiaomi smartphone are more common than you think. This may be necessary during important events, exams, sleep, or when the phone is used exclusively as a tablet for working with applications. Some users also turn off calls on spare devices that give children for games to avoid random dials.

The manufacturer doesn't provide a direct "one-button disable all calls," but MIUI has a few hidden and combined ways to do this. It's important to understand that full call locking affects both incoming and outgoing calls -- a fundamental difference from the usual "Do Not Disturb" mode, which only mutes notifications.

In this article, we will look at 5 proven methods, including system settings, third-party applications and technical techniques for different versions. MIUI (Particular attention will be paid to the nuances for popular models: Redmi Note 12, POCO X5, Xiaomi 13 and others.

Method 1: Do not disturb mode with maximum restrictions

The most obvious but often misused method is the Standard Mode Do not disturb in the MIUI The default is to turn off the notification sound, but not to block the calls themselves, to make it really deaf":

1. Open Settings → Sound and vibration → Do not disturb
2. Activate the slider at the top of the screen
3. Click the Schedule and select Always (or set a time frame)
4. In the Rules section, select No one for calls and messages
5. Turn off the option Repeat calls (it allows you to break through repeated calls)

The critical detail is that even in this mode, the alarms and alarms will work, and if you need to turn everything off, move on to the next one.

Method 2: Block all numbers through the "Black List"

This method is suitable for MIUI 14/15 and allows you to block all incoming calls except for emergency services.

1. Go to Phone → Three Points (Menu) → Settings → Lock numbers
2. Enable the option to Block Unknown Numbers
3. Blacklist all contacts from the phone book (button Add → highlight all)
4. To block outbound: set a password to the Phone application through Settings → Passwords and security → Blocking applications

Limitations of the method:

• ❌ Does not block outgoing calls without a password to the application
• ❌ Emergency numbers (112, 911) will remain available
• ✅ It works without root rights.
• ✅ Does not require third-party applications

Method 3: Technical lock through the engineering menu (for advanced)

For users who are willing to work with hidden settings, there is a method to disable calls through the engineering menu. Careful: wrong actions can disrupt the communication module!

Instructions for qualified users:

1. Open the phone app and enter the code: ##4636##
2. Go to the tab Phone Information
3. Choose yours. SIM-drop-down
4. Scroll down to Disable Data Transfer and Disable Voice Calls
5. Activate both switches.

Important: this method completely disables voice communication at the module level, but does not affect the Internet and SMS. To recover calls, you will need to re-enter the menu and deactivate the settings.

Method 4: Using third-party applications for deep locking

If the system methods don't work, specialized utilities will come to the rescue.

For most users, Call Blocker is the best solution, which is easy to set up and does not require super-user rights.

Profile: "Call blocking"


Condition: Time [From: 00:00 to: 23:59]




Task:




1. Audio → Phone Call Volume [Level: 0]




2. Audio → Ringer Volume [Level: 0]




3.Plugin → Secure Settings → Airplane Mode [On]

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If you use Tasker, create a separate profile to unlock calls by double-pressing the power button – this will help you quickly return communication in an emergency.

Method 5: Hardware shutdown (for extreme cases)

If software methods are not suitable (e.g., on devices with corrupted software), you can physically turn off the microphone or speaker, an irreversible process only suitable for phones that will no longer be used for calls.

Instructions for Xiaomi Redmi/POCO:

1. Remove the back cover (need a mediator and a hair dryer to soften the glue)
2. Disconnect the plume going to the top speaker (responsible for conversational)
3. To lock the microphone, seal its hole on the board with insulating tape

⚠️ Warning: Any physical intervention will void the warranty and may damage other components (such as the proximity sensor).This method is recommended only for devices you are willing to disable as a phone.

Alternatively, a metal-protected case for the antenna module is used, which blocks the network signal, making calls impossible, but keeps Wi-Fi and Bluetooth working.

Comparison of methods: which to choose

The choice of method depends on your goals and technical skills.

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For a temporary call-off (e.g. overnight) mode is optimal "Do Not Disturb" + blacklist, and for a permanent solution, it is better to use the engineering menu or Tasker.

Frequent problems and their solutions

When blocking calls on Xiaomi, users face typical difficulties:

1. Calls continue to arrive in Do Not Disturb mode Check if important contacts are added to exceptions (Settings → Do Not Disturb → Exceptions). Also make sure Repeat calls are turned off.
2. Update the firmware to the latest version of MIUI. In older versions (below 12), the lock function was unstable. Also check if the settings reset after the update.
3. The engineering menu does not save settings, which is typical for devices with Qualcomm Snapdragon. Solution: after changing the settings, restart the phone and check the settings again.
4. The app side does not block calls Make sure the app has all the necessary permissions (Settings → Apps → Permissions). Android 13+ may require manual activation of special access to block calls.

⚠️ Attention: On devices with dual SIM-With cards (e.g. Xiaomi 13 Pro), lock settings are applied separately for each card. SIM, if you want a full shutdown.

FAQ: Answers to popular questions