How to switch the internet to one SIM-Maps to another on Xiaomi: all ways

Why switch the internet between SIM-maps on Xiaomi

Modern Xiaomi smartphones (including the Redmi line, POCO and Mi support the work of two SIM-Cards simultaneously – Dual function SIM Dual Standby (DSDS). This allows you to use different carrier numbers, but it often requires you to quickly switch mobile Internet between them, for example, when one operator ran out of traffic and another was left unlimited, or when you are in an area with poor coverage of the main operator.

In this article, we will discuss all possible ways to switch the Internet between the two countries. SIM-Maps on Xiaomi – from standard settings MIUI You will also learn how to automate the process so that the smartphone chooses the best network, and what nuances are important to consider when using two different devices. SIM simultaneously.

We will pay special attention to models with hybrid slots (for example, Redmi Note 11 Pro+ or POCO X5 Pro), where one of the SIM can conflict with a microSD memory card. And at the end of the article we will answer frequent questions - why the switch does not work, how to reset the network settings and what to do if the smartphone "does not see" the second SIM.

Method 1: Quickly switch over notification panel

The easiest method is to use a notification curtain. It works on all Xiaomi smartphones with MIUI 12 and later (including Redmi 10, POCO F4, Xiaomi 13, etc.).

Swipe down from the top edge of the screen to open the notification bar

Press and hold the Mobile Data icon (usually next to Wi-Fi)

In the window that appears, select the desired one. SIM-map

Confirm your choice by pressing "Done"-->

If you have two active SIM-maps, the curtain will display the current Internet usage (e.g., "Mobile Data: SIM After switching, the smartphone will automatically connect to the network of the selected operator. SIM data packet is disabled or there is no coverage, the Internet will not work.

⚠️ Note: On some firmware (for example, MIUI Global for the European market) the quick switch option may be hidden. In this case, use Method 2 through the settings.

The advantage of this method is speed. You don't have to go to the menu, you just need a couple of taps, but it doesn't allow you to set up automatic switching or network priorities, which can be important for saving traffic.

Method 2: Manual switching in MIUI settings

If the quick method didn’t work or you need more flexible management, use the mobile network settings section, which is suitable for all versions of MIUI, including older ones (for example, MIUI 11 on the Redmi Note 8 Pro).

Instructions:

1. Open the Settings app (the gear icon on the desktop).
2. Move to the SIM-Maps and mobile networks (or mobile networks on some models).
3. Select the Mobile Data item.
4. In the section SIM-data transfer card tap on the desired SIM (for example, "SIM 2: MegaFon").
5. Confirm your choice if a request is made.

After that, the smartphone will reconnect to the network of the selected operator.

• 📶 Enable/disable mobile data for each SIM separately.
• 🔄 Set up roaming (useful when traveling abroad).
• 📊 View traffic statistics for each SIM.

⚠️ Note: On some models (e.g, POCO X3 Pro) after switching, you may need to restart the smartphone if the network does not connect immediately.

MTS

MegaFon

Beeline

Tele2.

Yota

Other-->

Method 3: Automatic Priority Switching (for MIUI 13+)

Starting with MIUI 13, Xiaomi has added the feature of automatic switching the Internet between SIM-This is useful if you want your smartphone to always use the same card. SIM, Where is the better signal or cheaper tariff.

How to set up:

1. Go to Settings. → SIM-maps and mobile networks → Mobile data.
2. Activate the switch Automatic selection SIM-cards (or Smart) SIM Switch on global firmware).
3. Click on Priority Settings and select the primary and backup SIM.
4. Set switching conditions (e.g., “If there is no network on the main SIM”).

It's in the background and it's switching the Internet without you, but there's a nuance:

• 🔋 Increased battery consumption – the smartphone constantly monitors both networks.
• 📡 Switching delays – can take up to 10 seconds.
• 💰 The risk of additional expenses – if the reserve SIM fare.

Method 4: Switching through the Engineering Menu (for the experienced)

If standard methods do not work (for example, after firmware or reset), you can use the engineering menu, which is suitable for Xiaomi based on Qualcomm chipsets (for example, Redmi Note 11 Pro+ 5G with Snapdragon 695) and Mediatek (for example, POCO M4 Pro with Helio G96).

Instructions for Qualcomm:

##4636##

Once you enter this code, the Testing menu will open.

1. Select Phone Information.
2. Scroll down to the block. SIM-map.
3. Slip on the desired SIM and select Set as data preferred.

For Mediatek, use the code:

##36446337##

In the menu that opens, go to Connectivity → SIM Management and select the main SIM for the Internet.

⚠️ Warning: Do not change other options in the engineering menu unless you are sure of their purpose! this can lead to network loss or reset IMEI.

💡

If the engineering menu doesn't open, check if the developer mode is on. Go to Settings → About Phone and tap the MIUI version 7 times.

Switching problems and their solutions

Sometimes switching the internet between SIM-Xiaomi is not working properly with cards. Let's look at the typical problems and how to fix them.

If none of these methods helped, reset your network settings:

1. Open the Settings. → SIM-maps and mobile networks.
2. Select Network Settings Reset (or Reset Network Settings).
3. Confirm the action and restart the smartphone.

Once reset, all stored Wi-Fi networks and passwords will be deleted and mobile Internet settings will return to factory settings. SIM-cards – sometimes helps to retrieve and re-install them.

Tips for saving traffic when using two SIMs

Use of the two SIM-Mobile internet cards can lead to uncontrolled traffic consumption, especially if automatic switching is enabled. Here are some tips on how to avoid unnecessary waste:

• 📉 Turn off background data for unnecessary applications. → Annexes → Data management.
• 🔄 Set up a traffic limit for each SIM Separately. → SIM-maps and mobile networks → Set a limit (e.g. 5 GB per month).
• 🌐 Use Wi-Fi wherever possible. Set up automatic connection to verified networks in Settings → Wi-Fi → Additionally.
• 📱 Check the flow statistics once a week. → Connections and sharing → Traffic is displayed with a detailed report on each SIM.

If you travel frequently, look for roaming packages, such as MegaFon's unlimited roaming option for 399. ₽/Tele2 has a Travel package with 5GB of traffic in 50 countries, and they are configured through the operator's app or USSD-commands (e.g. *105# for Beeline).

💡

To avoid unexpected expenses, disable automatic updates of applications via the mobile network. You can do this in Google Play: Settings → Auto-update applications → Only via Wi-Fi.

FAQ: Frequent questions about switching the Internet to Xiaomi