How to completely disable the second SIM-Map on the phone Xiaomi: all the ways

Two. SIM-The cards in Xiaomi smartphone are a convenient feature for separating work and personal life, but it is not always in demand. The second SIM can drain the battery, interfere with calls or simply be superfluous after a change of operator. In this article, we will discuss all possible ways to disable it - from standard settings. MIUI to hidden engineering teams.

It’s important to understand that “disabling” and “deleting” the second SIM are different procedures. The first temporarily deactivates the card, saving its settings, and the second completely erases the profile (if we are talking about eSIM), We will consider both options, as well as nuances for different models, from the budget Redmi Note to the flagship Xiaomi 14 Ultra.

If you have a problem when your phone doesn’t see the first SIM after manipulating the second one, there’s a solution section at the end of the article, and for owners of devices with a hybrid slot (microSD + nanoSIM), we have prepared separate optimization recommendations.

1. Standard shutdown via MIUI settings

The easiest and safest way is to use the built-in MIUI shell tools. This method works on all Xiaomi, Redmi and POCO smartphones with a firmware version at least MIUI 10 (Android 8.0).

Instructions:

1. Open the Settings app (cog icon).
2. Go to section. SIM-maps and mobile networks (on some models - Mobile network).
3. Tap the second name. SIM-maps, for example, SIM 2 or MTS).
4. Move the slider Include SIM-map off.

After that, the second SIM will no longer register on the network, but its settings will remain. MIUI 14+ After the shutdown, the option "Delete" will appear. SIM-Profile" - it completely erases the configuration of the card (relevant to eSIM).

Slider in the "Off" position."|The network icon disappeared in the status bar|No signal on second. SIM call-room|Settings SIM retained (not dropped)-->

2. Quick shutdown via notification panel

If you need to temporarily deactivate the second SIM (for example, to save charge), you can do it in 2 taps:

1. Swipe your finger down to open the notification panel.
2. Find the Mobile Data or Flight Mode tile and hold it for 2 seconds.
3. In the menu that appears, select the second SIM-Disable the switch next to the card name.

This method does not remove the settings, but can be lost after rebooting on some models (for example, Redmi 9A or POCO M3). If the tile is missing, add it through editing the panel (pencil icon).

Daily | Several times a week | Rare (once a month) | Only on trips | I don't use at all-->

3. Disconnection through the engineering menu (for experienced)

If standard methods fail (for example, due to a failure in MIUI), you can use the engineering menu. Careful: the wrong actions here can disrupt the network.

Instructions:

1. Open the phone app and enter the combination: ##4636##
2. In the menu that appears, select Phone Information.
3. Scroll down to the SIM 2 block and press Turn off the radio.

This method completely cuts off communication with the second SIM, including mobile Internet. To return to work, you will need to reboot or re-enter the command with the choice to Turn on the radio.

4. Delete eSIM profile (for virtual cards)

If your second SIM is an eSIM, disabling it works differently. MIUI 13/14 has a separate section for this:

1. Go to Settings. → SIM-maps and mobile networks → eSIM.
2. Select the profile that needs to be removed.
3. Tap Remove SIM and confirm the action.

Please note that after deleting the profile can not be restored - you will have to contact the operator for a new one. QR-On some models (for example, Xiaomi 13 Lite), eSIM is supported only on the first one. SIM.

5. Disconnection through the developer settings (for testing)

If you're testing a network or want to completely block a second SIM at the system level, you can use developer modes, which is not recommended for everyday use, as it can cause crashes.

Steps:

1. Activate Developer Mode by tapping 7 times on the build number in Settings → About the phone.
2. Return to the main settings menu and open Additional → for developers.
3. Find the option to turn off SIM 2 (name may vary).
4. Confirm the action and restart the device.

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If you don’t have an option, try entering the setpreferrednetworktype 2.0 command in the engineering menu – this will force you to turn off the network on the second SIM.

Physical removal SIM-cards (for hybrid slots)

On hybrid slot devices like the Redmi 10C or the POCO X3 NFC, the second SIM and memory card share a single slot, so if you want to make room for the microSD, you have to physically remove the nanoSIM.

How to do this:

1. Turn off your phone (required!).
2. Use a paper clip or special key to open the SIM tray.
3. Carefully remove the second nanoSIM, leaving only the first or microSD.
4. Put the tray back in before the click.

⚠️ Note: On some models (Xiaomi Mi 11 Lite) after the second SIM It could be the priority of the network to get back. 4G to the main map, go to Settings → Mobile network → Network type and select 4G (preferably).

7 Solve problems after the second SIM is turned off

Sometimes after manipulating the second SIM, there are problems: the network on the first card disappears, the settings of the mobile Internet are lost, or the phone ceases to define any SIM.

• 🔄 Reboot: In 60% of cases, a normal device reboot helps. Hold the power button for 10 seconds.
• 📶 Manual Network Search: Go to Settings → Mobile network → Network operators and choose your provider manually.
• 🔧 Resetting network settings: In Settings → System system → Reset settings select Reset settings Wi-Fi, mobile network and Bluetooth.
• 📱 Slot check: If the phone doesn't see the first SIM After removing the second, check if the contact is bent in the tray (relevant for Redmi 9 and the second one). POCO M2).

If the problem persists, try inserting it. SIM-a card to another phone to check its performance. MIUI 12.5+ Diagnostics are also available through Settings → The phone. → Diagnostics → Test SIM-map.

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If after the second shutdown SIM missing connection on the first - check the priority of slots in Settings → SIM-map → Priority SIM Sometimes the system automatically switches priority to the card that is disabled.

FAQ: Frequent questions about disabling SIM on Xiaomi