How to quickly switch from one to the other SIM-Maps to another on Xiaomi Redmi: all ways

Modern smartphones Xiaomi Redmi support the work with two SIM-They're all using these cards at once, but not all users know how to effectively manage them, and some people do it through settings, some with quick panels, and some people pull out the tray at all, at the risk of damaging the contacts. Meanwhile, improper switching can lead to loss of signal, malfunction of the mobile Internet or even to accidental removal of contacts with one of the main mobile devices. SIM.

In this article, we will discuss all available ways to change. SIM-Redmi cards – from standard to hidden features MIUI. You will learn how to set network priority, use hotkeys for quick switching, and what to do if the phone doesn’t see the second one. SIM We will focus on models with a hybrid slot (for example, Redmi Note 10 Pro or Redmi). 9T), where one of the cards may conflict with the memory card.

If you travel frequently or use two SIM-For work and personal use cards, this guide will save time and avoid common mistakes. 4X, Redmi 5A) We will give some recommendations - their firmware can behave unpredictably.

1. Standard method: switching through the notification panel

The fastest method to change SIM-The map is to use the Quick Settings Panel. It works on all Redmis with the version. MIUI 12 and newer, including Redmi Note 11, Redmi 10 and POCO X3.

To activate this method:

1. Swipe your finger down from the top of the screen to open the notification bar.
2. Swipe down again to turn the full panel around.
3. Find the badge «SIM-cards (two intersecting cards) and tap on it.

After that, a menu will open where you can choose:

• 📞 SIM for calls (default, SIM 1 SIM 2)
• 🌐 SIM mobile-internet
• 🔄 Turn off one of them. SIM (charge-saving)

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If the badge SIM-There are no cards on the panel, pinch any other icon (such as Wi-Fi) and drag and drop «SIM-Maps from the hidden menu to the active area.

This method is convenient, but has a limitation: you can not assign different SIMs for calls and SMS. If you need messages to leave from one card and calls from another, you will have to use the system settings (more about this below).

2. SIM priority setting in the parameter menu

For more flexible management SIM-Go to the basic settings of the phone with cards. This method is suitable for all Redmi models, including budget (Redmi). A1) and flagship (Redmi) K50) version.

Instructions:

1. Open the Settings. → SIM-maps and mobile networks.
2. Select the "Settings" option SIM-map».
3. Put it on the right foot. SIM-map (e.g., map, «SIM 1»).
4. Set the switches: 📞 Calls - turn on/off 💬 SMS — choose SIM default 🌐 Mobile Internet - activate the 4G/5G

You can change it here. SIM-cards (e.g., "Worker" and "Personal"), so as not to be confused:

1. Click on the Name. SIM-map.
2. Enter a new name (up to 10 characters).
3. Save the changes.

One important thing is, if you turn off mobile internet on one SIM and you don't set it up on the other, the phone won't automatically switch to backup. You'll have to do it manually.

3. Hot keys and gestures for fast SIM change

Few people know, but Xiaomi Redmi has hidden button combinations that allow you to switch between the two. SIM-These methods work on most models, but may vary depending on the version. MIUI.

Method 1: Through the Call Menu

1. Open the phone application (call).
2. Enter. USSD-code: ##4636##.
3. In the menu that opens, select “Phone Information”.
4. Slip on the item "Select SIM" and specify the desired card.

Method 2: Double press the power button (works on Redmi Note 10/11 and later)

1. Activate the function: Settings → Special features → Quick SIM switching.
2. Twice press the power button and the SIM selection menu will appear.

Method 3: Gesture on a locked screen (MIUI 13+)

• 👆 Swipe your finger up the badge. SIM lock-screen.
• 👇 Swipe down to disable the current one. SIM.

These methods save time, but they have a limitation: they don't work in power-saving mode. If the battery is under 15%, the system can block fast commands.

4. Features of hybrid slots (SIM + microSD)

Many Redmi models (e.g. Redmi 9C, Redmi Note 8 Pro) feature a hybrid slot where the second SIM shares space with the memory card, which creates additional difficulties when switching.

Problems of hybrid slots:

• ⚠️ When removing the memory card, the second SIM shutdown.
• ⚠️ Some firmware resets network settings after being replaced SIM/microSD.
• ⚠️ On Redmi with Android 11+ There may be a “No Service” error when two people are used simultaneously. SIM.

To avoid problems:

1. Before removing the memory card, turn off the mobile Internet on the second SIM.
2. Use A1/A2 memory cards (they are less likely to conflict with SIM).
3. After replacing, restart your phone in Safe Mode (press the power button → “Reboot Safe Mode”).

Disable mobile internet on second SIM|

Make a backup of contacts |

Use tweezers to extract the tray |

Restart the phone after replacement-->

There's a bug on the Redmi Note 10S and Redmi 9 Power: if you insert a microSD after the second SIM, the phone may not see either, so the solution is to insert the cards in order: SIM1 → microSD → SIM2.

5. Solving problems when switching SIM

Sometimes after shifts SIM-There are errors in the cards: the signal is lost, the calls are not working or the mobile Internet.

Table: Frequent errors and decisions

If none of these methods helped, check:

• 🔧 Updates MIUI — In new versions, bugs are often corrected. SIM.
• 🛠️ Physical state of the slot - try inserting SIM other-phone.
• 📱 Flight mode - sometimes helps to turn it on / off.

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If your SIM settings are gone after the MIUI update, reset the network: Settings → About Phone → Network Reset. This will return the factory connection settings.

6. Automatic SIM Switching on Schedule

For users who use two SIM-cards for different purposes (for example, business calls in the afternoon and personal evening), Xiaomi Redmi has a feature of automatic switching on a schedule. MIUI 12.5 and newer.

How to set up:

1. Open the Settings. → SIM-maps and mobile networks.
2. Select “Schedule” SIM-map».
3. Activate the switch and set up the rules: 🕘 Specify activation time (e.g. 9:00-18:00 for work) SIM). 📞 Select the type of action (calls, SMS, web-based). 🔄 Set exceptions (for example, always use them) SIM 1 for specific contacts).

This feature is useful, but has limitations:

• ❌ Not working in energy saving mode.
• ❌ Not supportive. 5G-Networks (switching only to the 4G).
• ❌ It can conflict with apps like Truecaller or WhatsApp.

For models older than 2020 (Redmi 8, Redmi Note 7), this feature may not be available, so use third-party apps such as Dual SIM Schedule (available on Google Play).

7. SIM switching on older models (Redmi 4/5/6 series)

Owners of older Redmis often find that their firmware does not support modern SIM management methods. For example, the Redmi 4X or Redmi 5A does not have a quick-switch panel, and network settings are hidden deep in the menu.

Algorithm for old models:

1. Open Settings → Additional → SIM-card management.
2. If there is no paragraph, use it. USSD-code: ##4636## → «Phone information» → «Choose. SIM».
3. To reset the network, type ##72626## (not working on all firmware).

These devices are also more likely to have problems:

• 🔄 SIM cards 'change places' after reboot.
• 📵 The signal disappears when activating Wi-Fi.
• 🔋 Quick battery discharge when using two SIM.

Decisions:

• 🔧 Update your firmware to the latest available version (even if it is the same) MIUI 10).
• 📴 Turn off network autosearch in settings SIM.
• 🔄 Reboot your phone 1 time per day to reset the cache of the communication module.

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On Redmi 6A and similar models, you can force VoLTE support for both SIMs by typing the command setvolte 1.1 into the engineering menu (#4636##).

FAQ: Frequent questions about switching SIM to Xiaomi Redmi