Activation. SIM-Maps in Xiaomi: from installation to network connection

You just got a new Xiaomi smartphone – be it the Redmi Note 13 Pro+, POCO X6 Mi 14 Ultra – but faced with a problem: the device does not see SIM-This is a familiar situation for many users, especially after buying a phone from an online store or when you first turn on, and the reasons may lie in the wrong installation of the card, as well as in software settings that require manual activation.

Unlike the iPhone or Samsung, where SIM-The card is often activated automatically, and Xiaomi smartphones sometimes require additional manipulations, from network type selection to manual operator search. In this article, we will examine all the steps from the physical installation of nano-SIM to the diagnosis of network registration problems. 4G/5G. We will pay special attention to new models. 2023–2026 eSIM-enabled years where the activation process is different from traditional SIM.

Preparation: which SIM-The card supports your Xiaomi

Before you insert a card, make sure it is compatible with your device.Most modern Xiaomi smartphones work with nano-SIM (size) 12.3×8.8 mm), but there are nuances:

• 📱 Two-sim models (for example, Redmi Note 12 Pro or POCO F5): Supports 2 physical nano-SIMs or 1 nano-SIM + 1 eSIM (depending on the region).
• 🔄 Hybrid slots (found in budget models like Redmi) A2): The second slot is combined with a microSD connector - you will have to choose between the second SIM memory-card.
• 🌐 Regional restrictions: some models (for example, for the Chinese market) may not support the frequencies of Russian operators (Beeline, MTS, MegaFon, Tele2).

To avoid problems, check the specifications of your model on the official Xiaomi website or in the documentation. 13T Pro supports:

⚠️ Note: If you bought a smartphone in China or through unofficial channels, check the support of Russian frequencies using the service FrequencyCheck. K60 The Chinese market is not working with 5G in Russia due to lack of range n78 (3500 MHz).

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

It seems like inserting SIM-The map is simple, but many users make mistakes at this stage:

1. Turn off your smartphone (required!) Removal or installation SIM When powered on, it can damage contacts.
2. Find a slot for SIM-maps -- usually on the top or side of the map. POCO The slot can be on the right, next to the power button.
3. Use a paper clip or a special key (comes in the kit) to retrieve the tray. Put it in a small hole before you click.
4. Place the nano-SIM in the tray with the gold contacts down. For dual-sim models, consider the order of the slots (slot 1 is usually a priority).
5. Carefully insert the tray back to the point. Make sure it doesn't hang around - that's a sign of improper installation.

If the tray isn't inserted to the end, don't force, SIM-The card is set curved or not the same size. 12S Ultra and newer tray can have protection against improper installation – if the card is inserted incorrectly, the smartphone will not turn on.

The tray is inserted to the point without backlash

SIM-Nano-format map (not micro or standard)

Gold contacts map looking down

The smartphone is turned off during installation-->

3. First activation and automatic activation

After installation SIM-In most cases, Xiaomi automatically detects the operator and connects to the network:

• 🔍 Network search: If there is no signal, the smartphone may suggest you choose the operator manually, in which case select your provider from the list (for example, MTS).-RU or Beeline RUS).
• 📶 Network mode: By default enabled 4G/3G/2G (For stable operation, it is recommended to choose only 4G (LTE) customized.
• 🔄 Reboot: If the network didn’t appear right away, reboot the device – it will reset the modem cache.

In the models with MIUI 14 and later (e.g. Xiaomi 14 or Redmi Note 13) path to network settings:

Settings → SIM- Maps and Mobile Networks → [Select SIM] → Network Type

If the network never appeared after these actions, move to the next section - there we will discuss manual activation methods.

4. Manual network connection: if the automatic activation does not work

If your smartphone doesn’t automatically connect to the network, try the following steps:

4.1 Manual search of the network

1. Go to Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-card (if two of them).
3. Tap to Network Search or Network Selection (depending on version) MIUI).
4. Turn off the option Automatically and select your operator manually.
5. Confirm the choice and wait for registration (can take up to 2 minutes).

Resetting network settings

If the network is still missing, reset your modem settings:

Settings → About phone → Resetting settings → Resetting network settings

This operation will delete stored Wi-Fi networks and mobile settings, but will not affect personal data.

Verification IMEI

In rare cases, the problem is related to damaged IMEI (unique device identifier:

1. Please enter the phone app *#06#.
2. If a 15-digit code is replaced by zeros or an error, IMEI dropped.
3. To restore, you will need firmware through Fastboot or contact the service center.

⚠️ Attention: If IMEI It is not available, the smartphone will not be able to connect to any mobile network. Do not try to restore it through third-party applications - this can block the device.

5. activate eSIM in Xiaomi (for supported models)

Xiaomi 13, 13 Pro, 14 and some models POCO (for example, POCO F5 Pro) support eSIM - virtual SIM-It's different from the physical activation:

Verification of eSIM support

Make sure your model is compatible with eSIM. List of supported devices:

• 📱 Xiaomi 12T Pro (European versions only)
• 📱 Xiaomi 13/13 Pro/13 Lite (Global Versions)
• 📱 POCO F5 Pro (models with index) 5G)
• 📱 Xiaomi 14/14 Pro/14 Ultra (all regions)

5.2. Obtaining eSIM from the operator

To activate the eSIM:

1. Contact your operator (for example, MTS or MegaFon) and request QR-Some operators (for example, Tele2) allow you to get it through your personal account.
2. Open eSIM settings: Settings → SIM-maps and mobile networks → Add a mobile network → Download SIM
3. Scan it. QR-Operator code or manually enter data.
4. Confirm activation and restart the device.

If the eSIM network does not appear after activation, check:

• 🔄 Correctness of the data entered (for example, SM-DP+ Address and Activation Code).
• 📶 Operator coverage in your area.
• 🔧 Update MIUI Up to the latest version (old firmware may have bugs with eSIM).

6 Solving common problems with SIM- card

Even after installation and activation are done correctly, errors can occur, and let's look at typical scenarios and how to fix them.

6.1. "SIM-Card not found" or "No service"

Causes and solutions:

6.2. SIM-The map is determined, but there is no Internet

If the network icon is available, but the mobile Internet does not work:

1. Check the access points (APN). Path: Settings → SIM-maps and mobile networks → [Yours. SIM] → Access points (APN) Use it for MTS. APN Internet.mts.ru, for Beeline - Internet.beeline.ru.
2. Make sure that mobile data is included for this SIM.
3. Check the balance and activity of the tariff (sometimes operators block the Internet at zero balance).

6.3 Problems after the update MIUI

After updating the firmware, network settings may be reset. If the problem occurs after the update:

• 🔄 Reset your network settings (see Section 4.2).
• 📥 Reset the eSIM profile (if you use it).
• 🔧 Check if the settings have been dropped. APN.

💡

If the smartphone stopped seeing SIM After falling or getting moisture, do not try to disassemble it yourself. 90% of the time the problem is oxidized slot contacts that require professional cleaning.

7. Features of activation of SIM in different models of Xiaomi

The activation process may vary depending on the series and version. MIUI. Let’s look at the key differences.

Budget models (Redmi A, Redmi Note)

In Redmi smartphones A2, Redmi Note 12 and the like:

• 🔌 There is often no automatic network search – you have to choose the operator manually.
• 📶 Support 5G It can be limited (for example, Redmi Note 11 does not work with the same device). n78 Russia).
• 🔧 There may be no option in the network settings just 5G — maximum 4G/3G/2G.

7.2. Flagships (Xiaomi) 13/14, POCO F5 Pro)

In top models:

• 🌐 Dual support 5G (simultaneous SIM into 5G).
• 🔄 The ability to prioritize the network for each SIM separately.
• 📡 Improved coverage (uses both antennas for better signal).

Models for the Chinese market

Smartphones purchased in China (e.g. Xiaomi 13 Ultra) CN), may:

• 🚫 Do not support Russian frequencies 4G/5G.
• 🔒 Require region unlocking to work with locals SIM.
• 📵 have restrictions on the use of two SIM simultaneously.

To check compatibility, use the Kimovil service, where you can compare the supported frequencies of your model with the frequencies of Russian operators.

8. Additional advice and recommendations

To avoid problems with SIM-In the future, follow these tips:

• 🔄 Update regularly MIUI — In new versions, bugs with the modem are corrected.
• 📦 Use branded cases - cheap accessories can put pressure on the tray SIM, signal-losing.
• 🌡️ Avoid overheating - at temperatures above 45°The modem may be offline.
• 🔋 Watch the battery power – at levels below 5%, some models turn off mobile communications.

If you travel frequently, consider:

• 🌍 Roaming rates with your operator (for example, MTS Travel or Beeline Traveler).
• 📱 Local. SIM-Cards – in some countries (for example, Turkey, Thailand) they are cheaper than roaming.
• 🔄 Dual-SIM Adapters – If your Xiaomi doesn’t support two physical adapters SIM.

💡

In the models with MIUI 14 and later appeared the function "Intelligent switching" SIM" — Your smartphone automatically selects the card with the best signal for calls and the Internet. To turn it on, go to Settings. → SIM-maps and mobile networks → Intelligent switching.

FAQ: Frequent questions about activating SIM in Xiaomi