How to set up SIM-Maps on Android-smartphones Xiaomi: from installation to troubleshooting

Xiaomi smartphones (including the Redmi line and POCO) Support one or two physical or two SIM-But even the most experienced users sometimes have problems: the phone can't see the map, can't catch the network, or misallocates mobile traffic. SIM-maps – from physical installation to fine network parameters, including solutions to typical errors.

Feature of Xiaomi devices – flexible slot control for the second SIM-This card is often combined with a microSD card connector, which requires careful consideration when choosing a configuration. MIUI 14/15 Some of the settings have changed, which can confuse owners of older models. We took into account all the nuances and prepared an up-to-date guide for all modern Xiaomi smartphones based on Android. 12–14.

Preparation: which SIM-The cards support your Xiaomi

Before setting up, check the technical limitations of your model. Most Xiaomi smartphones support:

• 📱 Two nano-SIM (format) 4FF) — standard for flagships (Xiaomi) 13/14, Redmi Note 12 Pro+).
• 🔄 Hybrid slot (nano-SIM) + MicroSD or two nano-SIMs – common in budget models (Redmi) 10A, POCO M5).
• 📲 eSIM – available in Xiaomi 12T Pro, Xiaomi 13 Lite and newer (requires operator support).

To find out the exact configuration, study the characteristics on the official website or look at the tray for SIM-If you have a microSD chip on it, it's a hybrid slot. SIM The memory card will be unavailable.

⚠️ Note: If you are using a hybrid slot, when changing the configuration (for example, with a new configuration). SIM1 + microSD SIM1 + SIM2) The phone will need to reboot, and all the data on the memory card will remain intact, but it will have to be removed.

Physical installation SIM-maps: step-by-step process

Installation is the most common reason why Xiaomi doesn’t see SIM-Follow the instructions:

1. Turn off your phone. This is mandatory for models with a non-removable battery (for example, Xiaomi 13T).
2. Find a tray for SIM-cards -- usually on the top or side of the box. Use a paper clip or tool from the kit to press the hole and extract the tray.
3. Place the nano-SIM in the tray with the contacts down, aligning the bevelled corner of the card with a similar angle on the tray: 📇 SIM1 — top connector (priority for calls). 📇 SIM2 or microSD, the bottom connector.

Carefully insert the tray back before the click.

Make sure the tray is inserted to the point |

Check that SIM-card doesn't stand outside the edge of the tray|

Turn on the phone and wait for MIUI to load (1-2 minutes) |

Skip the operator’s automatic setup (if you request)

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⚠️ If the phone is installed, it says “No” SIM-check: if the card is turned upside down (contacts should be at the bottom), if there is any contamination on the contacts (wipe with an alcohol napkin) and whether the format is correctly chosen (only nano-SIM).

3. Activation and basic setting SIM-card MIUI

After installation SIM-Xiaomi cards usually automatically identify the operator and connect to the network:

1. Go to Settings. → SIM-maps and mobile networks.
2. Click on your name. SIM-cards (e.g. “MTS” or «SIM1»).
3. Turn on the switches: 📞 Mobile phone service for calls and SMS. 🌐 Mobile data – for access to the Internet.

Activate SIM-map

For two. SIM-Set priorities: Set up your priorities → SIM-maps and mobile networks → A challenge → Preferred SIM-call-card.

Here you can choose:

Always ask.

Use SIM1/SIM2 by default

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If you have Xiaomi with support 5G, But the network only works in 4G, check the settings APN (Often operators do not automatically activate 5G new SIM-map.

4. Mobile Internet (APN) for all operators

If the mobile Internet is not working, most likely, the APN (Access Point Name) settings are not configured.

1. Go to Settings. → SIM-maps and mobile networks → [Choose. SIM] → Access points (APN).
2. Click on “Add Access Point” or select an existing profile.
3. Fill in the fields according to your operator's data. Examples for popular networks:

🔧 Policy solutions

1. Reboot the phone – this resets the temporary failures of the communication module.
2. Update MIUI: Settings → About the phone → System update.
3. Reset network settings: Settings → System → Reset → Reset settings Wi-Fi, mobile network and Bluetooth.
4. Check IMEI: dial *#06# – if zeros are displayed instead of a 15-digit code, IMEI recovery is required (see the service).

⚠️ Note: If after all the manipulations SIM-The card is still undetected, the problem may be in a faulty communication module (especially after falls or moisture.

7. Features of setting up eSIM on Xiaomi

Virtual SIM-The eSIM card is available in Xiaomi’s flagship models starting with Xiaomi 12T Pro. To activate it:

1. Get it. QR-code or activation data from the operator (supported by eSIM MTS, Beeline, MegaFon, Tele2).
2. Go to Settings. → SIM-maps and mobile networks → Add a mobile network.
3. Select "Scan" QR-Operator code or manually enter data.
4. Confirm activation – eSIM will appear in the list SIM-map.

⚠️ Note: One eSIM can be used on one Xiaomi device + physical SIM two-person SIM. Two eSIMs are not supported at the same time.

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If the carrier does not provide eSIM for your Xiaomi model, try activating it through an operator app (for example, “My MTS” or “My Beeline”). Some carriers limit eSIM support over models, even if the phone is technically compatible.

8. battery saving when using two SIM-map

Two active SIM-These cards increase battery consumption because the phone is constantly scanning both carriers' networks to optimize power consumption:

• 🔋 Turn off mobile data on the second SIM, If you only need it for calls: Settings → SIM-maps and mobile networks → [SIM2] → Mobile data.
• 📵 Enable In-Aircraft Mode for One SIM overnight: Notification panel → Airplane mode → Settings → Resolve challenges for SIM1.
• 🔄 Set up automatic switching between SIM Internet depending on the signal (required) MIUI 14+): Settings → SIM-maps and mobile networks → Data switching.

It is also useful to disable background network scanning for the second SIM: Settings → SIM-maps and mobile networks → [SIM2] → Advanced settings → Network search in the background.

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Xiaomi models with Snapdragon 8 Gen 2 processor (for example, Xiaomi 13) support Dual technology 5G — both SIM-The cards can work simultaneously on the network. 5G. On older chipsets (Snapdragon) 7xx, Dimensity two SIM will be limited 4G.

FAQ: Frequent questions about SIM-maps on Xiaomi