How to turn off the choice SIM-Maps when calling on Xiaomi: all ways

You are tired of the intrusive window of choice. SIM-Every time you call from a Xiaomi smartphone, this problem is familiar to many owners of devices with two SIMs, the dual-SIM mode in the mobile phone. MIUI It's the default to request confirmation before every outgoing call, and fortunately, you can turn it off in a number of ways, from standard settings to hidden developer settings.

In this article, we will discuss 5 Proven methods, including changes to the phone menu, use of ADB-commands and even system file editing (for advanced users). MIUI (from 12 before 14) and popular models - Redmi Note 10/11/12, POCO X3/X4/X5, Xiaomi 11T/12/13. You will also learn why settings are sometimes reset after an update and how to prevent it.

Why Xiaomi Always Asks Why SIM-pre-bell?

The SIM selection function is not a bug, but a conscious decision by the MIUI developers, which was introduced in early versions of the firmware and has two purposes:

• 📞 Users with multiple rates (e.g. one for work, another for personal calls).

However, for most owners, this turns into an annoyance - especially if 90% of calls are made through the same SIM, the problem is compounded by the fact that in some versions of MIUI (for example, MIUI 13.0.4 for the Redmi Note 10 Pro), the standard switch in the settings does not save the default choice after a reboot or update.

Interesting fact: on Samsung or Google Pixel devices, a similar feature is disabled in two clicks, whereas Xiaomi traditionally “hidden” such settings deeper, this is due to the MIUI philosophy, where many parameters are hidden from the average user to avoid accidental changes.

Method 1: Standard MIUI settings (the simplest)

Before you go into the system files, check the basic settings. In most cases, the problem is solved in 30 seconds:

1. Open the phone application (pipe icon).
2. Press three points (⋮) top-right → Settings.
3. Select Calls → SIM-call-card.
4. Set a tick opposite Always ask off.
5. Choose below. SIM-Default card for outgoing calls.

⚠️ Note: On certain devices (e.g, POCO F3 s MIUI 12.5) this paragraph may be called Settings SIM-maps or management SIM. If there is no option, move to the next method.

Application opens"|Found the section "Calls" in the settings|Item "SIM-Call cards available|The "Always Ask" option is disabled|Selected SIM default-->

After this, the window of choice SIM However, on some firmware (e.g. global firmware) MIUI 14.0.3 for Xiaomi 12T) The settings are reset after the system update. №3 or №4.

Method 2: Configure through “Parameters” SIM-maps in the system menu

If the phone application does not have the necessary options, try an alternative way through the basic settings of the smartphone:

1. Go to Settings. → SIM-maps and mobile networks.
2. Select Settings SIM-map №1 (or) №2 if it is the main one).
3. Find Calls or Voice Calls.
4. Set the switch to Always ask in the off position.
5. Save the changes and restart the phone (required!).

🔹 Note: On Redmi 9A And other budget models, this section may not be available. ADB (№4).

If the SIM selection window still appears after this manipulation, the problem may be a conflict of system applications, for example, on some POCO devices, the Dual Apps app, which duplicates the phone settings, is to blame.

💡

Before changing the settings SIM-Make sure that you have the "Flight" mode turned on or the mobile network is disabled - this will prevent failures when applying the parameters.

Method 3: Use of the Developer Mode

Hidden settings MIUI allow the request to be disabled SIM-It works even where standard methods are powerless:

1. Activate Developer Mode: Go to Settings → About Phone. 7 times click on the MIUI Version (you will be notified “You are a developer”).

Settings

Additionally.

For developers

USB debugging

Network

Settings SIM-map

Always ask for SIM when calling

Prompt for SIM selection

⚠️ Note: On some devices (for example, Xiaomi 13 Pro with a MIUI 14) this paragraph is not available. ADB-team (mode) №4) It is also not recommended to include other options in the developer menu unnecessarily - this can lead to unstable system operation.

Once you turn off the option, restart your phone. If the problem persists, check if the Security app conflicts with your settings, sometimes it resets the SIM settings by default.

Method 4: Disconnect via ADB (for advanced users)

If standard methods don't work, Android Debug Bridge (ADB) is a deep-tuning tool that requires a computer, but it works on all versions of MIUI.

🔹 What's the matter:

• 🖥️ Computer with Windows/macOS/Linux.
• 📱 Cable USB (preferably original).
• 🔧 Installed drivers ADB and Fastboot.
• 🔄 Included debugging by USB phone-on.

📌 Step-by-step instruction:

1. Download Platform Tools from the official Android website and unpack the archive.
2. Connect the phone to your computer and select File Transfer mode.
3. Open the command prompt (cmd) in the ADB folder and type: adb devices Make sure your device appears in the list (a phone confirmation may be required).
4. Execute the command to disable the request SIM: adb shell settings put global multi_sim_voice_call_prompt 0
5. Reboot your phone: adb reboot

🔹 Additional commands (if the first one fails):

• For resetting. SIM: adb shell settings delete global multi_sim_voice_call_prompt
• For forced selection SIM №1 Default: adb shell settings put global multi_sim_voice_call_sim 1

⚠️ Attention: Misuse of the right ADB This can cause phone malfunctions on some devices (e.g, POCO F4 GT) after applying these commands, a cache reset via recovery is required, otherwise the settings will not remain.

💡

Team team. multi_sim_voice_call_prompt 0 work 90% Xiaomi devices, but after the update MIUI It's gonna have to be reused.

Method 5: Editing System Files (for Power Users)

If all previous methods failed, manual editing of configuration files remains, requiring root rights or access to TWRP, so is only suitable for advanced users.

🔹 Instructions:

1. Back up your phone with TWRP or Mi Flash Tool.
2. Open a file manager with root permissions (such as Root Explorer).
3. Go to: /data/data/com.android.providers.telephony/databases/telephony.db
4. Open the file in the text editor and find the line: multi_sim_voice_call_prompt=1 Replace. 1 on 0.
5. Save the changes, set the 644 license and restart the phone.

🔹 Alternative path (for the MIUI 14):

In some firmware, the parameter is stored in /system/build.prop. Add a line to the end of the file:

ro.telephony.default_sim=1

(where 1 is the number SIM-default-card).

⚠️ Warning: Incorrect editing of system files can lead to bootloop.If you are not sure about your actions, use it. ADB-method №4).

Frequent problems and their solutions

Even after successfully disabling the request SIM-And these are the common mistakes that people have in their cards, and the ways that they can be fixed are the most common:

🔹 Advice for owners POCO: If, after updating, MIUI 14 missing settings SIM, Try resetting your network settings: Settings → SIM-maps and mobile networks → Resetting network settings.

⚠️ Note: On devices with HyperOS (new firmware from Xiaomi, which came to replace) MIUI In 2026, the paths to settings may be different. For example, in HyperOS 1.0, the option to choose is different. SIM by default moved to Settings → Connections → Mobile network → Additionally.

FAQ: Answers to popular questions