How to properly install SIM-Map to Xiaomi phone: instructions for beginners and experienced users

Installation SIM-Xiaomi’s smartphone card seems like a simple procedure, but in practice, many users face difficulties, from the wrong location of the chip to problems with network recognition. SIM-In this article, we will discuss the installation process by steps, from tool preparation to mobile network setup, and also consider typical errors and their solutions.

It is important to understand that the design of the trays for SIM-Xiaomi’s cards differ depending on the series of devices, such as the flagship Xiaomi 14 and Redmi Note 13 Pro models.+ They use combined slots for nano-SIM and microSD, while budget devices like Poco M6 They may have individual nests, and we'll take all of these things into account to make sure that the instruction is appropriate for most of the brand's current devices.

Preparation for installation: what will be needed

Before you start the installation, make sure you have everything you need. The main tool is a paper clip to remove the tray (company with the phone), if it is not available, any thin metal needle or unbended stationery clip will do.

• 📱 Compatibility SIM-Previous articleModern Xiaomi supports only nano-SIM (12.3×8.8 If you have a card of a different format, it should be cut or replaced in the operator's cabin.
• 🔋 Battery charge: Although the procedure does not require a phone to be turned on, it is recommended to have at least 20% charge for later network setup.
• 📡 Network coverage: Once the card is installed, the phone will automatically start searching for the operator.
• 🔍 Model instruction: If you have a rare or new model (e.g. Xiaomi Mix Fold 3), check the slot’s location in the official guide in advance.

Pay special attention to the type SIM-In 2026, some carriers began issuing eSIMs (embedded cards), but most Xiaomi smartphones (except flagships like Xiaomi). 13T Pro) they are not supported. If you are offered an eSIM, please specify the possibility of obtaining a physical nano-SIM.

Where is the slot for SIM-maps in Xiaomi

The tray is positioned according to the model of the phone, and 90% of the time it is on the right or left side of the body, but there are exceptions:

• 📱 Classic location: most models (Redmi Note 12, Poco) X5, Xiaomi 12T) They have a slot on the top of the right side, and it's easy to identify from the little clip hole.
• 🔄 Lower edge: Some devices (such as Xiaomi Civi 3) moved the slot down, next to the connector USB-C. Be careful not to confuse it with a microphone hole!
• 🔝 Upper edge: rare but found in older models (Xiaomi Mi 9) may also be an IR port, so don't put too much effort into pressing.
• 🛠️ Under the battery: in collapsible models (for example, Xiaomi Mi) A3) The slot is hidden under the back cover, and you have to disconnect the battery to access it, which is risky without experience!

If you are not sure about the slot location, look at the phone case: there is usually a pictogram next to the clip hole. SIM-You can also use a flashlight, so you can light the edge at an angle to see the contours of the tray.

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

When you find a slot, follow this instruction. The important thing is, don't put too much effort into it, the tray should move out smoothly, without creaking. If something goes wrong, stop and check if you've got the hole mixed up.

1. Turn off your phone (optional, but recommended for safety).
2. Insert the paperclip into the hole next to the slot and press before clicking. The tray will extend 2-3 mm.
3. Carefully pull the tray out completely. Hold it by the edges so you don't touch the contacts.
4. Put it down. SIM-The chip should be directed downwards, and the beveled angle should coincide with the notch on the tray.
5. If you have a hybrid slot, choose a priority: 📱 Two. SIM-Maps: Install both nano-SIMs in the upper and lower slots. 💾 SIM + microSD: use the top slot for the card, the bottom for the drive.

Insert the tray back before you click. Make sure it sits flat - skewings can damage the contacts.

The tray is clean (no dust and dirt)

SIM-map is trimmed to nano-SIM

The chip card isn't scratched.

The paperclip is inserted into the correct hole

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Turn on the phone after installation. SIM-the card is recognized, the network indicator will appear in the status bar (for example, "MTS" or "4G"). If not, restart the device or check the installation is correct.

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If the tray is not retractable, don't try to pull it out with pliers! put the phone on a soft surface, heat the area of the slot with a hairdryer (no more than 30 seconds) - this will help if the tray is jammed due to moisture.

Common mistakes and their solutions

Even with the right installation SIM-These are the most common situations and how to fix them:

• 🚫 The phone can't see. SIM-Map: Check if the card is inserted correctly (chip down). If so, try another one. SIM Or wipe the contacts of the tray with alcohol. In rare cases, the problem is the firmware: update your phone through Settings. → The phone. → Updating the system.
• 🔄 Constantly switching between SIM-maps: In network settings (Settings) → SIM-maps and mobile networks) disable the option "Select Network" and manually select priority SIM for calls and the Internet.
• 📶 No network or weak signal: Make sure the carrier supports your phone's frequencies.For example, Xiaomi for the Russian market may not catch some ranges 5G. Check the settings. APN (Settings → Mobile network → Access points (APN)) — They must meet the requirements of the operator.
• 🔋 The phone overheats after installation SIM: This could indicate a firmware conflict or card damage. SIM, Reset your phone and try another card. If the problem persists, reset your network settings (Settings) → System system → Resetting settings → Resetting network settings).

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After installation SIM-Cards phone calls PUK-The code, in any case, do not enter it at random, three wrong attempts will block the card forever, the code can be found in documents from the operator or obtained through the personal account on his website.

⚠️ Note: If you are using a hybrid slot for two SIM-One of these can only work in the mode. 2G If you have an active Internet on the second one, it's a hardware restriction -- check the specifications of your model on the official Xiaomi website.

Setting up a mobile network after installing SIM

If you want to install a map successfully, you need to configure your network settings to make sure your phone works properly with mobile Internet and calls.

1. Go to Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-card (if two of them).
3. Activate options: 📞 Mobile data – for access to the Internet. 📶 Data roaming – if you are abroad (pay attention to the tariff!). 🔄 Auto-Select Network – for automatic connection to the best station.

Access Points (APN)

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If the internet is not working, create a new APN manually (you can find the settings on the operator’s website).

To speed up the setup, many operators send automatic SMS If you get this message, confirm the installation, it will save time. SIM-Cards: In the settings, you can choose which card to use for calls, SMS and mobile Internet by default.

Features for different Xiaomi models

Although the general principle of installation SIM-The cards are the same, some Xiaomi models have unique nuances:

• 📱 Xiaomi 13/14 They use dual nano-SIMs without microSD support. The tray pushes out with effort -- don't worry, that's OK. These models support the microSD. 5G SA/NSA, But to work in Russian networks may require manual adjustment of ranges.
• 🔄 Redmi Note 12/13 The hybrid slot allows you to choose: either two SIM-card SIM + microSD. Please note that when using a memory card, the second SIM shutdown.
• 🎮 Black Shark 5/6: Game smartphones have a reinforced tray design, but it's located under the removable panel. You'll need a special key to access it. Don't try to open it with the tools you can!
• 📱 Poco F5/X5: In these models, the slot is on the top edge, which is not typical for Xiaomi. Be careful - there are antenna contacts nearby that are easily damaged.
• 🔋 Xiaomi Civi 3: Has a custom tray with additional protection from dust. After extraction, check the sealing gum - if it is damaged, waterproof (IP53) will be broken.

Flagship models (Xiaomi 14 Ultra, Mix Fold 3) may require additional VoLTE and VoWiFi setup (calls through the phone). 4G These options are included in the Settings. → SIM-maps and mobile networks → Additionally. → Calls through 4G. If not, update your firmware to the latest version.

What to do if SIM-map not recognized

If the phone is not looking SIM-Map, proceed with the following algorithm:

1. Check your physical condition: Remove the card and inspect it for scratches or chips. Wipe the card and tray contacts with alcohol or eraser (carefully!). Try inserting the card into another phone — if it doesn't work, the problem is SIM.
2. Phone Diagnostics: Restart your device in Safe Mode (press the power button → “Reboot Safe Mode”). If the card is up, it’s the third-party app’s fault. Check if Flight Mode or Traffic Savings are enabled. Update IMEI (if it’s lost): dial ##4636## → Phone Information → Update IMEI.

Policy solutions

• Reset network settings: Settings → System → Reset settings → Reset network settings.
• Set up manual network search: Settings → Mobile Network → Network operators → Manual search.
• If nothing helps, reset to factory settings (don’t forget to make a backup!).

⚠️ Note: If after all the manipulations SIM-The card is still undetected, the problem may be in the communication module of the phone. In this case, contact the service center - self-repair of the antenna unit can lead to loss of warranty.

In rare cases, firmware is to blame. In 2023, for example, some Xiaomi 12 Pro users encountered a bug that caused the phone to “not see” a second SIM after upgrading to MIUI 14, the solution being a rollback to the previous version or waiting for a patch.

FAQ: Answers to Frequent Questions