How to set up the Internet MTS on the smartphone Xiaomi: full instruction

Setting up MTS mobile internet on Xiaomi smartphones seems like a simple task – as long as you don’t face a lack of network, slow speed or a “No Internet access” error. SIM-The card is activated and the balance is positive, incorrect parameters APN Or a conflict of network settings can nullify all efforts. In this article, we will discuss all configuration methods, from automatic installation to manual settings for Redmi, POCO and flagship models of the Mi.

Xiaomi is often hiding technical settings behind multiple menu layers, and in some firmware (e.g. MIUI 14+), the network connection algorithm differs from standard Android. We took these nuances into account and prepared instructions for different versions of the shell, including global and Chinese firmware, and you will learn how to diagnose network problems and what to do if the Internet is only 2G and 4G/5G is not available.

Preparation: verification SIM-maps and basic settings

Before you go into the APN settings, make sure that the problem is not on the operator or hardware side.

• 📱 Activation. SIM-card: even if you have been using the number for a long time, after changing the phone or reinstalling the firmware, the card may require re-activation. USSD-code *111*0887#.
• 📶 Coverage area: in some regions, MTS limits 4G/5G for subscribers with fares older 2020 Check the frequencies on the operator's website.
• 💰 Balance and packages: even with an unlimited tariff, high-speed traffic can burn. Check the balance by *100# or in the My MTS application.
• 🔄 Rebooting the device: after installation SIM-The cards in the new Xiaomi smartphone sometimes require restarting the communication module. Turn off the phone for 30 seconds, then turn on the phone.

If SIM-The map is all right, but the Internet is still not working, go to the setting of the access point (APN). In 90% of cases, the problem is solved at this stage.

2. Automatic setting of the MTS Internet

The easiest way is to let the operator send configuration files on its own, which works for most Xiaomi models, except for custom firmware devices (such as Xiaomi.EU or LineageOS).

Instructions:

1. Open the Messages app (SMS).
2. Create a new message with text Internet (or Internet for English firmware).
3. Send him to number 1234.
4. In 1-2 minutes, an SMS will arrive with settings. Click on the link in the message or confirm the installation.
5. Reboot your smartphone.

If the automatic setup didn’t work (e.g., an SMS didn’t arrive or an error “Failed to apply settings”), go to manually typed APN. This method may not be suitable for Xiaomi on Chinese firmware (China ROM) – in this case, additional preparation will be required (see section 5).

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If the Internet is automatically configured only in 2G, Check Network Priority in Settings → SIM-maps and mobile networks → Preferred type of network. 4G (preferably 5G/4G/3G/2G (motor-car).

3. Manual setting up APN for MTS on Xiaomi

If the automatic method didn't work, you'll have to enter the settings manually.

Settings → SIM- Maps and Mobile Networks → [Select SIM- MTS Card] → Access Points (APN)

Click on the + icon (add a new access point) and fill in the fields according to the table below. Please note: for Xiaomi on MIUI 14+, the Authentication Type field must be empty, otherwise the connection will not be established.

After filling in, save the settings, select the MTS INTERNET profile you created in the list and restart your phone. If the Internet does not work, check:

• 🔍 Region SIM-Maps: for Crimea and Sevastopol use APN Internet.mts.ru with the username of mts@mts.ru.
• 📡 Roaming: If you are in another country, turn on the option “Roaming Data” in the settings SIM-map.
• 🔄 Reset network settings: in the menu Settings → Memory and reset → Reset network settings (remove all stored Wi-Fi and APN!).

Profile name without spaces|APN typo|The Proxy and Port fields are empty.|Protocol IPv4/IPv6|Active profiles are saved and selected-->

4. 4G/5G setup on Xiaomi for MTS

If the internet works, but only in the 2G/3G, The problem may lie in the network settings. In Xiaomi, these settings are sometimes reset after a firmware update or change. SIM-map.

How to turn on 4G or 5G:

1. Go to Settings. → SIM-maps and mobile networks → [Choose. SIM MTS].
2. Click on “Preferred Network Type”.
3. Choose one of the options: 5G/4G/3G/2G (auto) for maximum compatibility (recommended); 4G (preferably) if 5G is unstable; 4G only for forced LTE use (can help in areas with weak 5G signal).

«VoLTE»

For 5G, check out:

• 📶 Frequency support: not all Xiaomi models work with 5G MTS (for example, Redmi Note 11 supports only the n78, a) the operator may use n38). Check compatibility on Xiaomi’s website.
• 🔧 Update of the firmware: in older versions MIUI (12.5) may not be supported 5G for Russian operators.

Attention! On some POCO models (e.g. POCO X3 Pro) after 5G activation, the 4G signal may disappear. In this case, select 4G/3G/2G (auto) mode and wait for the firmware update with a fix.

5. Features of settings on Chinese firmware (China ROM)

Xiaomi smartphones on Chinese firmware (China) ROM) often block manual input APN or restrict the work of Russian SIM-If you see a message, "Can't save." APN» or setting gray, follow the following steps:

Method 1: Unlocking the Engineering Menu

1. Install the MTK Engineering Mode app from Google Play (for MediaTek processors) or Qualcomm Mode (for Snapdragon).
2. Open the app and go to MTK Settings → Network → APN.
3. Add a new profile with MTS parameters (see Section 3).

Method 2: Installation of global firmware

If the engineering menu didn’t work, the only reliable option is to flash the device on Global ROM or Xiaomi.EU. This removes all restrictions, but requires:

• 🔓 Unlock the loader (official instructions).
• 📥 Download firmware for your model from the site Xiaomi Firmware Updater.
• 🛠 Use of the Mi Flash Tool or TWRP.

⚠️ Warning: Unofficial firmware cancels warranty and may result in blocking IMEI. Before the procedure, make a backup of the data through Settings → Additionally. → Backup and reset.

6. Diagnostics and solution of common problems

If after all the manipulations the Internet still does not work, use this table for diagnosis:

For deep diagnosis, use service codes:

• 📞 Checking the registration on the network: ##4636## → Phone information. Service State should be In service.
• 📡 Signal verification: ##4636## → Information on SIM-The signal level should be higher. -100 dBm.
• 🔄 Reset network settings: ##7263867## (not working on all models).

⚠️ Note: If the network is missing after resetting IMEI (06# shows zeros, restore it immediately via the engineering menu or contact the service center.

7. Alternative ways of connecting to the Internet

If the mobile Internet MTS has not worked, consider temporary alternatives:

• 📶 Modem mode: connect Xiaomi to another device via USB/Wi-Fi/Bluetooth And give away the Internet with a working person. SIM-map.
• 🌐 Wi-Fi Calling: If your tariff supports VoWiFi, turn on the option in Settings → SIM-map → Wi-Fi calls, which will allow you to call even without a mobile network.
• 🔄 Double. SIM-Card: If you have two slots, try inserting SIM-card of another operator (for example, Tele2 or Beeline) to the second slot and configure the Internet through it.

For models with eSIM support (for example, Xiaomi 13 Pro) you can activate a virtual device. SIM-MTS card through the My MTS application and use it in parallel with the physical.

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If none of the methods did not help, contact the MTS communication salon with a passport - they are obliged to check. SIM-card for technical malfunctions and, if necessary, replace it free of charge.

FAQ: Frequent questions about setting up the MTS Internet on Xiaomi