How to properly install SIM-Map to the smartphone Xiaomi: instructions for all models

Installation SIM-The card in Xiaomi is a procedure that every new owner of the device faces. It would seem that it could be easier? But in practice, users often make mistakes, from improperly cropping the card to damage the tray when extracting. Especially relevant topic for owners of modern models with hybrid slots, where you have to choose between the second. SIM-microSD card and memory card.

In this article, we will take a look at everything from tool preparation to network testing, and you will learn how different trays in different Xiaomi series (for example, Redmi Note 12 vs. POCO X5 Pro), what to do if the smartphone does not see SIM-The map, and how to activate eSIM on supported models, and also unique life hacks to retrieve a stuck tray without damage that you won't find in standard instructions.

What are they? SIM-The cards support Xiaomi smartphones

Most modern Xiaomi devices work with nano-SIM (4FF) cards, a 12.3×8.8 mm microchip that has been used in smartphones since 2012.

📱 Budget models (Redmi) A2, POCO C50): Only 1 slot for nano-SIM + hybrid slot (second slot) SIM microSD).
📱 Mid-segment (Redmi Note 13 Pro, Xiaomi 13 Lite): 2 slots for nano-SIM + A separate microSD slot (or hybrid, depending on the region).
📱 Flagships (Xiaomi) 14 Ultra, MIX Fold 3): eSIM support + 1-2 physical nano-SIM.

Important: Some models for the Chinese market (for example, Xiaomi 13T Pro in the version for China) may not have a microSD slot even in hybrid format.

📊 What kind of guy. SIM-You use the cards in Xiaomi?

Regular nano-SIM

eSIM

Two nano-SIMs

No. SIM-map

If you have an old micro-SIM (3FF) or a full-size SIM (2FF), you can cut it to nano-format yourself or in the communication room, but be careful: improper cropping can damage the chip.

Preparation for installation: what will be needed

Before you start, make sure you have everything you need:

🔧 A paper clip or tool to remove the tray (combined with the phone) will also work.
📱 SIM-Proper format card (nano-SIM for most models).
🔍 Good lighting – the tray and slot are small, easy to drop the card.
🧲 Magnet (optional) – will help if the tray is stuck (more in the section about errors).

Turn off your smartphone (recommended, but not required)

Check the format SIM-Cards (must be nano-SIM)

Find a tray for SIM-cards (usually on the upper or lateral edge)

Prepare a paper clip or a special key-->

If you're switching from an old phone, remember to save contacts and other data.

Export contacts to the.vcf file via the Contacts app.
Copy the file to your computer or to the cloud (such as Mi Cloud).
After installation SIM-Maps of the new Xiaomi import contacts back.

Xiaomi smartphones support hot replacement SIM-So, for the sake of security, we recommend turning off the phone before you manipulate it.

Step-by-step instruction: how to insert SIM-map

The installation process is the same for most models, but there are differences in the tray layout.

Find a tray for SIM-Most Xiaomi smartphones have it: Redmi Note on the left end 11/12/13, POCO X4/X5. On the top end - Xiaomi 12/13/14, MIX 4. On the right end - rare, but found in some models for the Chinese market.

Remove the tray.

Install. SIM-map.

downward

Put the tray back in.

After installation, turn on the smartphone (if it was turned off). 10-30 A network indicator will appear in the status bar (for example, 4G or 5G). If this does not happen, go to Settings. → SIM-Maps and mobile networks and check card statuses.

What to do if the tray is not moved?

If the paperclip doesn't work, try the following methods: 1. Heat: Heat the tray area with a hairdryer (no more than 60°C) - the metal will expand and the tray can move. 2. Magnet: Apply a neodymium magnet to the tray area - sometimes this helps to move the mechanism. 3. Scotch: Stick a piece of tape to the tray and pull (suitable if the tray is pushed 1-2 mm). If nothing helps, contact the service center. Don't try to pick the tray with a knife or other sharp objects!

Features of installation in popular Xiaomi models

Despite the general principles, some models have unique nuances, and let's look at them in the table:

Model	Type of tray	Features	Support for eSIM
Redmi Note 12 Pro+	Hybrid (2 nano-SIM or 1 nano-SIM + microSD)	The tray on the left end. 5G both SIM-card.	No.
Xiaomi 13 Ultra	2 nano-SIM + eSIM	The tray is on the top end. eSIM is activated via Settings → Mobile Network.	Yes.
POCO F5	Hybrid (2 nano-SIM or 1 nano-SIM + microSD)	There's a tray on the left end. There's no microSD support in some regions.	No.
Xiaomi MIX Fold 3	2 nano-SIM + eSIM	The tray is on the top end. Supports two-way communication (DSDA) for both SIMs.	Yes.
Redmi A2	Hybrid (2 nano-SIM or 1 nano-SIM + microSD)	There's a tray on the left end. There's no 5G support.	No.

For models with eSIM (e.g. Xiaomi) 13/14) physical SIM-The card is not required:

Go to Settings. → SIM-maps and mobile networks → Add a mobile fare.
Select Download eSIM and scan. QR-operator.
Confirm activation – the smartphone will connect to the network without a physical card.

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If you travel frequently, consider using eSIM. Many foreign carriers (such as Airalo or Holafly) offer virtualized services. SIM-Local tariffs that can be activated remotely.

Common Mistakes and How to Avoid Them

Even experienced users sometimes make mistakes when installing SIM-Here are the most frequent maps:

🚫 The map's orientation is wrong. SIM-A card with a chip up or a cut angle in the wrong direction, the smartphone won't see it. Always check the circuit on the tray.
🚫 Excessive force when inserting the tray, it can bend the contacts or break the mechanism, the tray must enter smoothly, without resistance.
🚫 Use incompatible microSD. Some Xiaomi smartphones only support memory cards up to 512GB or specific standards (e.g., Xiaomi smartphones, UHS-I).
🚫 Trying to insert a card without a tray can damage the contacts inside the slot!

⚠️ Attention: If after installation SIM-The smartphone says "No network" or "SIM-Do not find the card, do not rush to retrieve it. First, restart the device and check the network settings in Settings → Mobile network → Network selection (sometimes manual operator search helps).

Another common problem is that the tray doesn't lock after installation, and the reasons may be as follows:

Dust or debris got into the tray - clean it with a dry brush.
If you are in a position to bend the contacts on the tray or in the slot, straighten them carefully (if you are confident in your abilities).
The tray is not from that smartphone – check compatibility (e.g., the trays from Redmi and POCO may differ).

How to activate the second SIM-card

If your Xiaomi supports two of your SIM-A card or a hybrid slot, it takes a couple of minutes to set up the second card:

Install the second nano-SIM in the tray (if you choose a memory card, skip this step).
Put the tray back in the smartphone.
Go to Settings. → SIM-maps and mobile networks.
Press the second. SIM-map and select: 📞 Voice calls – indicate which SIM will be used by default. 🌐 Mobile data - select SIM internet-based. 📩 SMS — tune in SIM message-board.

For a microSD card:

Insert the card into the hybrid slot (instead of the second SIM).
After turning on the smartphone will offer to format the card – agree (all data on it will be deleted!).
Choose how the card will be used: 📁 Portable storage - for files (photos, videos, documents). 📱 Internal memory – Extension of the main storage (recommended for applications).

⚠️ Note: If you choose the option of "Inner memory", the card will not be retrieved without losing data. Also, some applications (such as WhatsApp or Telegram) may not be ported to the microSD - check this in the settings of the particular application.

To check if the memory card is recognized, go to Settings → The vault, it should show a line. SD-volume-card.

What to do if Xiaomi doesn’t see it SIM-map

After installation SIM-The smartphone does not recognize the card, act on the following algorithm:

Reboot the device. Sometimes it helps to reset the temporary errors of the communication module.
Check the installation correctly. Remove the tray and make sure the card is down the chip and not biased.
Clear the contacts. SIM-map and in the tray with dry cloth (you can use an eraser to remove oxidation).
Check it out. SIM-If it doesn't work and there's a problem with the card, ask the operator for a replacement.
Update the software. Go to Settings → About Phone → System Update and install the latest patches.
Reset the network settings. → SIM-maps and mobile networks → Reset network settings select Reset settings.

If nothing helps, the problem may be:

🔌 Damaged slot - repairs are required.
📡 Faulty communication module (for example, after falling or getting moisture).
🛠️ Software failure – will help reset to factory settings (but this is an extreme measure!).

To diagnose hardware problems, you can use the test mode:

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In the menu that opens, select Phone Information and check the status. SIM-If it says Unknown or No Service, it's probably a hardware problem.

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If the smartphone stopped seeing SIM-map after falling or contact with water, do not try to disassemble it yourself.

FAQ: Frequent questions about installation SIM-maps in Xiaomi

Can I insert a micro-SIM into Xiaomi without trimming?

No, modern Xiaomi smartphones only support nano-SIM. If you have a micro-SIM, it needs to be trimmed to nano-format or use an adapter (but the adapter is not suitable for installation in the tray - only for backward compatibility).

How to know if my Xiaomi supports two SIM-map?

There are several ways: See the specifications on the official Xiaomi website (enter the model in search). Check the tray: if it has two slots under the nano-SIM (or one under the one under the one under the one under the one under the one under the one. SIM + One is microSD, then it supports. → The phone. → Full specifications – Dual support may be specified SIM. Note that even if your smartphone supports two SIM-The second card can only work in the mode 2G/3G (Like Redmi. 9A).

What to do if the tray is stuck and not moved?

Try the following methods (from the safest to the riskiest): Use a thicker paperclip or a special key from the kit. Apply a neodymium magnet to the tray area, sometimes it helps to move the mechanism. Stick a piece of tape on the tray and carefully pull (if it is pushed 1-2 mm); Heat the tray area with a hairdryer (no more than 60 ° C) - the metal will expand, and the tray can move out. If nothing helps, do not use force. Contact the service center so as not to damage the smartphone.

Can I use it? SIM-MicroSD and card simultaneously in a hybrid slot?

No, Xiaomi’s hybrid slots only have one option: Two nano-SIMs (without microSDs); one nano-SIM + one microSD (the second SIM doesn’t work); the exception is the models with a separate microSD slot (for example, the Redmi Note 10 Pro in some versions).

How to transfer contacts with the old SIM-maps for the new Xiaomi?

There are several ways: Through the Contacts app: On an old phone, export contacts to a.vcf file. Copy the file to a new Xiaomi (for example, via Mi Cloud or cable). USB). Import contacts through the Contacts app → Settings → Import/Export. Google account: Sync contacts with Google on your old phone. New Xiaomi, add the same Google account, and contacts will be automatically connected. SIM-Map: Copy the contacts to SIM-Insert it into the new Xiaomi and import contacts via Contacts → Settings → Import with SIM. Tip: Do not keep contacts only on the SIM-It can go down. Use cloud backups.