How to switch correctly SIM-Map on the phone Xiaomi Redmi: instructions for all models

Replacement or switching SIM-Xiaomi Redmi cards seem like a simple procedure, but often raises questions among users, especially when it comes to models with hybrid slots, support for dual-slots. SIM-In this article, we will discuss all the nuances: from the physical installation of nano-SIM to software network configuration, including solving typical problems such as no signal or logging errors.

It is important to understand that the process may vary depending on the Redmi model (e.g., the Redmi Note). 12 vs Redmi 10C) type SIM-We're going to look at the universal steps that are relevant to most devices. 2020–2026 We will also focus on specific cases, such as the transition from physical SIM Virtual eSIM or Network Priority setting 4G/5G.

If you are first encountering a SIM replacement in Xiaomi, we recommend reading the full article.Savvy users can immediately navigate to the desired section through the table of contents.

Preparation for switching SIM-maps: what you need to know

Before you get the tray out for SIM-maps, check out a few key points:

• 📱 Type SIM-Cards: Make sure your card is nano-SIM-compliant (12.3×8.8 Older micro-SIM or mini-SIM won't work without cropping (which is not recommended!).
• 🔧 Tools: Prepare a paper clip or a special key to extract the tray that comes with the phone.
• 📶 Network compatibility: Check if your Redmi supports operator frequencies. For example, some Redmi 9 models do not work with networks. 5G Russia.
• 🔄 Hybrid slot: In hybrid slot models (e.g. Redmi Note 11) you will have to choose between the second slot. SIM-microSD card and memory card.

Pay special attention to the transition to eSIM. Not all Xiaomi models support virtual SIM-As of 2026, eSIM is available in flagships (Xiaomi 13, 14) and some Redmi models for the European market.

⚠️ Note: If you are using two physical SIM-The cards, one of them will work. 2G Calling for voice calls, even if the phone supports 4G/5G. This is a limitation of Qualcomm and Mediatek modem architecture.

Step-by-step instructions: how to extract and install SIM-map

Replacement SIM-The cards are the same for most Redmi models, but there are nuances depending on the location of the slot:

1. Turn off the phone. This is optional, but it's recommended to avoid crashes when you reboot the network. Press and hold the power button, then select Turn off.
2. Find a tray for SIM-In most Redmi models, it is located on the left side of the face (for example, Redmi Note 10, Redmi 12). K50) slot may be on the top of the.
3. Remove the tray. Put the paper clip in a small hole next to the slot and press until you click. The tray will extend 1-2 mm - carefully pull it out with your fingers.
4. Install. SIM-Put the nano-SIM in the appropriate slot with the contacts down. If you have a hybrid slot, select priority: second SIM microSD.
5. Put the tray back in. Make sure that SIM-The card doesn't protrude beyond the edges of the tray.

After installation, turn on the phone. MIUI automatically determine a new one SIM-map and suggest setting up the network.

The correct format (nano-SIM)

Clean contacts (wipe with dry cloth)

No damage to the tray

Frequency compatibility with operator-->

SIM-card setting in MIUI: step-by-step guide

After the physical installation SIM-The maps need to be configured in the system. MIUI 14 (relevant to Redmi 2023-2026) the way is next:

1. Go to Settings. → SIM-maps and mobile networks.
2. Choose the right one. SIM-This is a map (if there are two of them: 📞 Assign primary SIM call-in. 🌐 Select the main one SIM mobile-internet. 🔄 Enable automatic network selection or set manually (2G/3G/4G/5G).

Activate the option to Enable mobile data to access the Internet.

If required, set up APNs (Access Points) and usually download the settings automatically, but some carriers (such as Tele2 or Yota) may require manual input.

For eSIM models (e.g. Redmi A2+ for Europe), the path will be different:

1. Go to Settings. → Memory and SIM-map → Add a mobile network.
2. Select Download. SIM-map and scan QR-operator.

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If the phone doesn't see the second SIM-card in the hybrid slot, try rebooting the device. MIUI doesn't recognize the card before rebutting.

Features of working with two SIM-maps on the Redmi

Redmi Dual SIM-enabled models (e.g. Redmi Note 12 Pro+, Redmi 11 Prime) allow you to use two physical SIM cards simultaneously, but with limitations:

Important: Second SIM-The card in the hybrid slot does not support high-speed Internet (4G/5G) And VoLTE. It's a hardware constraint that you can't bypass software.

To change priority SIM-map:

1. Open the Settings. → SIM-maps and mobile networks.
2. Press the right one. SIM-map and select Use for mobile data or Use for calls.
3. For convenience, you can assign names to the cards (for example, "Worker" and "Personal").

If you need internet on both of them SIM-maps, consider using eSIM (if the model supports) or use a Wi-Fi hotspot with the main one SIM.

Switching to eSIM: How to activate virtual SIM on Redmi

Virtual SIM-The eSIM is becoming more popular, but not all Redmi models support it. In 2026, the eSIM is available in the following devices:

• 📱 Xiaomi 13/13 Pro/13 Ultra (all regions).
• 📱 Redmi A2+ (European version only).
• 📱 POCO F5 and POCO X5 Pro (global versions).

To activate the eSIM:

1. Get it from the operator. QR-activation code or manual input data (SM-DP+ Address, Activation Code).
2. Go to Settings. → Memory and SIM-map → Add a mobile network → Download. SIM-map.
3. Scan it. QR-code or enter data manually.
4. Confirm activation and restart the phone.

After activation, the eSIM will appear in the menu. SIM-It's just like the physical cards:

• 🔄 Rename (e.g. “eSIM MTS").
• 📶 Assign primary for the Internet or calls.
• 🗑️ Remove (via Remove the Mobile Network).

⚠️ Note: Not all Russian operators support eSIM. At the time of 2026, the service is officially provided by MTS, Beeline and MegaFon, but only for certain tariffs.

Problem Solving: What to Do If SIM-card

After installation SIM-The phone does not see the network, there is no Internet or other errors occur, follow this checklist:

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

1. Go to Settings → About Phone → Resetting → Resetting Network Settings.
2. Confirm the action. The phone will reboot and the network settings will return to factory settings.

In rare cases, the problem may be firmware. If you use custom firmware (like LineageOS), check it is compatible with your Redmi model.

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If the phone stopped seeing SIM-If you have a map that falls or gets moisture, don't try to disassemble it yourself.

Tips for optimizing work SIM-maps on Xiaomi Redmi

To avoid problems with communication and the Internet, follow these guidelines:

• 🔄 Reboot your phone regularly, which helps to reset the modem cache and improve network stability.
• 📶 Turn off automatic network selection if you are in the weak signal zone. 2G for better communication or 4G speed.
• 🛡️ Update the firmware. In new versions. MIUI frequently correct errors in the work of SIM-map.
• 📴 Use the "Only" mode. LTE" (if available) to avoid switching to slow networks 3G/2G.

For users of two SIM-maps are useful:

• 📞 You can assign different ringtones to each SIM-Cards in the settings Sounds and vibrations.
• 📊 In the notification curtain, the network indicator for active SIM-To see the status of the second, pull the curtain down completely.

If you travel frequently, consider a local option. SIM-Internet map and the main SIM for calls. MIUI You can switch between them quickly without rebooting.

FAQ: Answers to Frequent Questions about SIM-maps