How to set up mobile Internet MTS on the smartphone Xiaomi Redmi: full instruction 2026

Mobile Internet from MTS on Xiaomi Redmi smartphones usually connects automatically after installation SIM-maps, but sometimes users have problems with no connection, low speed or authentication error, 90% of the time because of the wrong settings. APN (access points) or software failures in firmware MIUI. This article will help you understand how to set up the Internet MTS on any Redmi - from the budget Redmi 10A up to the flagship Redmi K70 Pro including models with support 5G.

We will look at three main ways of setting up: automatic (via SMS from the operator), manual (entering APN parameters) and alternative (using the MTS Connect application).We will pay special attention to typical errors, for example, when the smartphone “sees” the network but the pages do not load, or when the 4G/5G icon appears only after a reboot, and you will learn how to check the balance of the Internet package directly from the phone and what to do if the mobile Internet is lost after the MIUI update.

Important: The instructions are valid for all MIUI versions (including MIUI 14 and HyperOS), as well as for all Xiaomi Redmi models released after 2018. If your smartphone is older (for example, Redmi 4X or Redmi Note 4), some menu items may differ - in this case, use the FAQ section at the end of the article.

Preparation: verification SIM-maps and balances

Before you set up the internet, make sure yours is yours. SIM-The MTS card is activated and supports data transmission:

• 📱 Check that SIM-The card is inserted into the first slot (on most Redmi it supports the card). 4G/5G, And the second one is just 2G/3G). Exception: models with dual-standby 5G (For example, Redmi Note 12 Pro+), wherein the two slots are equal.
• 💳 Make sure you have enough funds in your account or a valid Internet package is connected. To check the balance, dial *100# or send it to the account. SMS with the text of the Balance number 111.
• 📡 Enable data transfer in the notification curtain or through Settings → SIM-maps and mobile networks → Mobile Internet.
• 🔄 If the smartphone was previously used with another SIM-map, reset network settings: Settings → Memory and network → Reset → Resetting network settings.

Critical error: if after insertion SIM-Smartphone card requests PUK-code, which means that the card is blocked after three incorrect attempts to enter PIN. In this case, access can be restored only through a call in support of MTS on the number 0890 or in the cabin of the operator.

If all conditions are met but the internet is still down, move to the next section with the APN step-by-step setup.

2. Automatic setting of the MTS Internet via SMS

The easiest way to set up mobile internet is to request an automatic configuration from the operator.

1. Open the Messages app on your Redmi.
2. Create a new one. SMS textual INTERNET (register is not important and send it to the short number 1234.
3. In 1-2 minutes, you will receive a response message with settings. Don't open the attached file manually - just save it and restart the smartphone.
4. After the reboot, check for the 4G, 4G+ or 5G icon in the status bar.

If the automatic setting didn’t work (e.g., no SMS came or no settings were applied), try an alternative method:

• 📞 Call 0890 (free call) and follow the voice instructions for settings.
• 🌐 Go to the MTS website, select your Xiaomi Redmi model and download the configuration file.

⚠️ Note: If the Internet is running after automatic settings, but the speed is lower than expected (for example, instead of the Internet). 4G map+), Check that the network settings have been selected 4G/5G (recommended, not only recommended 3G or 2G.

3. Manual setting up APN for MTS on Xiaomi Redmi

If the automatic setting does not help, you will have to enter the parameters. APN This is also useful if you use two. SIM-maps and want to prioritize the Internet on the MTS map:

1. Go to Settings. → SIM-maps and mobile networks → [Choose. SIM-map] → Access points (APN).
2. Click on the three dots in the top right corner and select the New Access Point.
3. Fill in the fields according to the table below. Fields not listed in the table, leave unchanged or delete their values.

After filling in, save the settings, select the created access point in the list and restart the smartphone. If the Internet does not work, check:

- Access point MTS INTERNET selected as active (a tick next to the name)

- The notification curtain includes data transmission to SIM-maps of MTS

Network mode is set to 4G/5G (not 3G or 2G)

- There is enough money in the account or an Internet package is connected

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If you are using Xiaomi Redmi with 5G support (such as Redmi Note 12 Pro+ 5G or Redmi K60), additionally check that 5G mode is enabled in the network settings:

Settings → SIM- Maps and Mobile Networks → [Select SIM] → Network Type → 5G

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If the internet is running after manual settings but the speed is low, try changing the APN type to default,supl,mms (for some tariffs, this speeds up the connection).

4. Internet settings through the MTS Connect application

The official MTS Connect app (available on Google Play) makes it easier to manage rates and set up the internet.

1. Download and install the app on your Redmi.
2. Launch it and log in to the phone number (the SMS will come with the confirmation code).
3. Go to the Services → Internet settings and click Set up automatically.
4. Confirm the installation of the profile and restart the smartphone.

Advantages of this method:

• 🔧 Automatic update of settings when changing the parameters of the MTS network.
• 📊 Possibility of monitoring traffic flow in real time.
• 💬 Quick access to support via in-app chat.

However, note that MTS Connect can conflict with some MIUI features, such as energy-saving mode. If after installing the application, the smartphone began to discharge faster, limit its operation in the background:

Settings → Applications → Application Management → MTS Connect → Battery → Limit background activity

5. Problem Solving: The Internet is not working after setting up

If you have completed all the steps, but mobile internet still doesn’t work, check out the following points:

Frequent mistakes and their solutions:

If none of these methods worked, reset your network settings (not to be confused with a full phone reset!):

Settings → Memory and Network → Reset → Network settings reset

⚠️ Note: Some Redmi models (e.g. Redmi Note 8 Pro) may be missing after resetting the network settings IMEI. To avoid this, write down before resetting. IMEI Your device (type *#06#) and save it in a safe place.

6. Optimization of mobile Internet speed on Xiaomi Redmi

Even if the Internet works, it can be slower than it can be, and here are some ways to speed up the connection:

• 📶 Turn off automatic network selection and manually select MTS RU with the highest signal level (see the instructions above).
• 🔋 Turn off power saving mode for mobile network: it limits data transfer speed.
• 🛠️ Update the firmware: in new versions MIUI HyperOS improved networking 4G/5G. Check for updates in Settings → The phone. → Updating the system.
• 🚫 Turn off secondary. SIM-If you are using two cards: SIM-cards, the second can interfere with a stable connection to the Internet.

For 5G-enabled Redmi owners (such as Redmi K50 or Redmi Note 12 Pro+ 5G), it is recommended to enable the SA 5G (Standalone) mode if available in your area.

Settings → SIM- Maps and Mobile Networks → [Select SIM] → Network Type → 5G (SA/NSA)

If the speed is still low, check the coverage of the MTS network in your area on the official map, perhaps the problem lies not in the settings of the smartphone, but in the load of the base station.

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If after all the manipulations, the Internet speed does not exceed 10 Mbps, contact MTS support - perhaps there are restrictions on your tariff or temporary technical work in your region.

7. Features of settings on popular Redmi models

Some Xiaomi Redmi models have unique nuances when setting up mobile Internet.

If your model isn’t in the table, but you’re facing a unique problem, check out the 4PDA or MIUI SU forums – there’s often a discussion about specific bugs for different Xiaomi devices.

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