How to turn off voice on Xiaomi, but leave mobile Internet: all ways

Do you want your Xiaomi or Redmi to stay connected to the Internet but not be able to receive calls or SMS? This is a necessity in a variety of situations, from saving battery power to wanting to stay connected only in messengers, avoiding intrusive calls. Fortunately, on smartphones with MIUI firmware, there are several ways to achieve this – both standard means and using hidden features.

In this article, we will discuss 5 working methods, including settings SIM-maps, exception modes, engineering menus, even third-party apps. All instructions are relevant for Android devices. 10–14 shelled MIUI 12–14 (including Xiaomi models 11/12/13/14 series, Redmi Note 10–12, POCO F/X Particular attention will be paid to the risks of loss of connection due to improper actions in the engineering menu, this point is often missed in other guides.

1. Method: Disabling voice communication through settings SIM-map

The easiest and safest method is to use built-in options. MIUI service management SIM-It does not require root rights or technical knowledge, but does not work for all operators (depending on the support of the function). CSFB — Circuit Switched Fallback).

Here's how to do it:

• 📱 Open the Settings. → SIM-maps and mobile networks.
• 🔄 Choose yours. SIM-card (if there are several).
• 🔍 Find the network type or preferred network type.
• 📶 Just set the value. LTE (or 4G nameless 3G/2G).

If the calls stop coming and the Internet stays, the problem is solved. If not, move to the next method. Please note that some operators (such as Tele2 in Russia) can automatically switch the network to 3G for calls, even if the settings say LTE only.

2. Method: Data Only mode in the engineering menu

For advanced users, there is a more reliable way to activate Data Only Mode via the engineering menu, which blocks all voice services at the modem level, leaving only data transfer.

Instructions:

1. Open the Phone app and type the combination: ##4636## (some models may require #86583###).
2. In the menu that opens, select Phone Information (or Phone Information).
3. Scroll down to the Set preferred network type section.
4. Choose. LTE only NR/LTE (for 5G-device).
5. Go back and find the Turn off radio option – press it, then turn the radio module back on with the Turn on radio button.

After this, the smartphone will lose the ability to call, but the mobile Internet will remain active. To return everything back, repeat the steps and select Auto (PRL) or LTE/WCDMA/GSM auto.

Method 3: Using In-Air mode with exception for Wi-Fi/mobile data

This method is suitable for temporary disconnection of communication, when you need to quickly “masquerade” as unavailable, but stay in touch in messengers. GPS.

How to set up:

• ✈️ Enable In-plane mode through the notification curtain or in Settings → Connections.
• 🔄 Back to Settings → SIM-maps and mobile networks.
• 📶 Enable the option of Mobile Data (or Data Transfer).
• 🔒 The internet will work and calls will be made SMS — no.

Important: some operators (like MegaFon) can block data transmission in In-Air mode, in which case try an alternative method with two. SIM-maps (see next section).

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If the mobile Internet is not turned on in the "Airplane" mode, try to restart the smartphone. Sometimes the communication module "hangs" in an incorrect state.

4. Method: Separation of functions between two SIM-map

If your Xiaomi supports two of your SIM-You can assign one card only to the Internet and the other to the phone, and then turn off the other card, which is ideal for devices with a hybrid slot (for example, the Redmi Note 11 Pro).+ Xiaomi 12T).

Step-by-step:

1. Go to Settings. → SIM-maps and mobile networks → Double. SIM mobile.
2. Choose. SIM-A map you want to leave for the internet only.
3. Set the mobile data only option (or Preferred network type: LTE only).
4. For the second. SIM-Disable mobile data and leave only voice calls.
5. Turn off the second. SIM-map completely through the switch at the top of the menu.

Now, first. SIM It's only going to be used for data transmission, and the second one (off) won't interfere. SIM.

5. Method: Applications for blocking calls with Internet preservation

If standard methods don't work, you can use third-party utilities that block incoming/outgoing calls at the software level without affecting mobile data.

• 🔒 Call Blocker - blocks all calls on schedule or constantly. There is a whitelist feature for important contacts.
• 📵 Offline Mode - mimics no network for calls, but leaves the Internet. Requires permission to access calls.
• 🛡️ DND Mode (Do Not Disturb) - built-in function MIUI, which can block calls, but does not always turn off SMS.

Warning: Some applications (such as Offline Mode) may conflict with MIUI system services, causing reboots.

Make sure the app is compatible with your version MIUI|Check the permissions (don’t give access) SMS needlessly)|Create a backup copy of your contacts|Test in Safe Mode (hold the power button) → "Safe regime")-->

Frequent problems and their solutions

Even after you've set it up properly, you can have problems, and here are the most common ways to fix them:

⚠️ Note: If the engineering menu is missing after manipulation IMS-Profile (no possibility to call even after settings are returned), reset the network: Settings → Memory. → Resetting settings → Resetting network settings.

• 🔄 The Internet works, but calls still pass: Check if VoLTE is activated (voices via voices) LTE). Turn it off in Settings. SIM-map → VoLTE.
• 📶 No network after changes to the engineering menu: Reboot your smartphone or type in the command: adb shell am broadcast -a android.intent.action.AIRPLANE_MODE --ez state false
• 🔋 Battery goes down quickly: In Data Only mode, the modem can constantly search for a network to call. disable Network AutoSearch in settings SIM-map.

If none of these methods worked, it could be the operator’s policy, and some mobile networks (such as virtual operators like Tinkoff Mobile or SberMobile) force voice services to be activated when they connect to the network. LTE. In this case, only physically removed. SIM-card and use eSIM for the Internet (if supported).

FAQ: Answers to popular questions

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The most reliable method for most users is to use two SIM-It's a split-function card, it doesn't require any technical knowledge, and it works on all versions. MIUI.