How to set up the MTS Internet on the Xiaomi phone manually: detailed instructions for Android

You just put it in. SIM-MTS card in your Xiaomi smartphone, but the Internet is not working and the automatic setting does not work? MIUI Is this a situation that many Redmi device owners know about, POCO Mi – especially if the phone is purchased abroad or previously used with another SIM-In 90% of cases, the problem is solved by manual settings. APN (access points, but it is important to do this correctly to avoid errors from the MMS slow-speed 4G.

In this article, you will find the current APN settings for MTS in 2026, step-by-step instructions for the MIUI shell, as well as solutions to typical problems - from the lack of a 4G icon to the error "No network access." We will analyze the settings for all Xiaomi models (including Redmi Note 12, POCO X5 and others), and explain why sometimes you need to reset network settings. If you have already tried to configure the Internet yourself, but failed, pay attention to the section on hidden options that operators do not advertise.

Why does not the automatic MTS setup work on Xiaomi?

According to MTS, about 30% of Xiaomi users experience problems when setting up mobile Internet automatically.

• 📱 Regional firmware: Phones purchased abroad (e.g., global Redmi versions for Europe or India) often do not support automatic setup of Russian carriers.
• 🔄 Update MIUI: After major updates (for example, transition from MIUI 13 on MIUI 14) network settings are lost, even if everything worked before.
• 📶 Frequency incompatibility: Some Xiaomi models (especially budget) don’t support all bands 4G MTS, because of what the phone "cannot see" the network.
• 🔒 Lockdown IMEI: If the device was blacklisted (for example, after theft), the operator may restrict access to the network.

Before you start manually adjusting, check:

1. Whether inserted SIM-card correctly (chip must be facing up, beveled corner - to the body).
2. Is the service "Mobile Internet" activated in the personal account of MTS (sometimes it is disabled by default).
3. Are there any tariff restrictions (for example, traffic is exhausted or there is a block for non-payment).

Preparing the phone for manual APN setup

Before you enter the APN settings, follow a few mandatory steps to avoid errors and conflicts with existing settings:

Make sure that SIM-The card is recognized by the phone (the operator name is displayed in the status bar)

Disable Wi-Fi to check the mobile Internet

Reboot your phone (sometimes this solves the problem without additional action)

Check balance and active services via *111# or the application "My MTS"

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If your Xiaomi has been used before SIM-by card (for example, Beeline or MegaFon), it is recommended to reset the network settings:

1. Go to Settings. → SIM-maps and mobile networks → Additionally. → Resetting network settings.
2. Confirm the action (maybe you need to enter) PIN-code).
3. After resetting the phone will restart - wait for the process to be completed.

⚠️ Warning: Resetting network settings will delete all stored Wi-Fi passwords and Bluetooth settings. Write down important data in advance.

If the Internet still doesn't work after reset, go to manually configure APN, and in the next section we'll go into detail about this process, taking into account the features of MIUI.

Step-by-step: manually configuring APN for MTS on Xiaomi

The APN (Access Point Name) settings are the "address" that connects the phone to the operator's Internet. The following settings are relevant for MTS in 2026 (they are suitable for all tariffs, including Smart, Ultra and Tariff):

Now, let's get to the direct setup on the Xiaomi phone.

1. Open the Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-MTS card (if there are several of them).
3. Slip on Access Point (APN).
4. In the upper right corner, press three dots (⋮) and select a new access point.
5. Fill in the fields as above. Leave empty the parameters that are not specified (e.g. Proxy, Port).
6. Save the settings (Save button or ✓ in the upper right corner).
7. Go back to the APN list and select the newly created profile (MTS).

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If you've lost the APN after you save it, reboot your phone. This is a bug in some versions of MIUI that's solved by a reboot.

After settings have been applied:

• Reboot the phone.
• Make sure that the status bar has a 4G or LTE icon.
• Try to open your browser and load any page (e.g. mts.ru).

⚠️ Note: If the Internet does not work, check if the mode "Saving traffic" is activated in the settings SIM-It can block background access to the network.

Additional parameters for stable operation 4G/LTE

If the Internet is running after setting up the APN, but the speed is poor (for example, instead of 4G, H+ or 3G is displayed), check the following parameters:

• 📶 Network Mode: Go to Settings → SIM-maps and mobile networks → Network type and select 4G (preferably LTE. If there is no such item, use the engineering menu (see the next section).
• 🔄 Roaming: Make sure that the option "National roaming" is enabled (sometimes MTS uses roaming even in the home region).
• 📡 Frequency ranges: Some Xiaomi models (e.g. Redmi) 9A) not supportive B20 (800 MHz), which is actively using MTS in the regions, in which case only changing the phone or firmware with support for the right frequencies will help.

For advanced users, if you don't have a network type option in your settings, you can use the engineering menu.

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After entering the code:

1. Select Phone Information.
2. Scroll down to the Set preferred network type block.
3. Select LTE only or LTE/WCDMA auto.

Important: If after changing the network type, the phone stopped catching the network at all, return the settings to the original state or reset the APN.

Setting up MMS for MTS on Xiaomi

If the Internet is working but MMS is not coming (for example, photos in messages), you need to add a separate APN profile for MMS.

To add this profile:

1. Create a new access point (similar to the instructions above).
2. Fill in the fields according to the table.
3. Save and activate the profile.
4. Reboot the phone.

After setting up, check the MMS sending:

• Send a photo message to another MTS number.
• If the MMS does not leave, make sure that the option “Outload MMS” is enabled in the message settings (Settings → Applications → Messages → MMS settings).

Solving common problems

Even after setting up the APN correctly, errors can occur, and here are the most common ones and ways to fix them:

• 🚫 "No access to the network after setting up APN: Check if the In-Airline mode is on. SIM-Card activated (call *111# and check status). SIM-card to another phone – if there is no network there, the problem is on the operator’s side.
• 🐢 Slow Internet (3G instead 4G): Check the coverage of MTS in your region on the operator's website. Turn off traffic savings in the settings SIM-Install the NetMonster app and check what frequencies the phone catches.
• 🔒 Requests. PIN-Network code: This means that SIM-- The card is locked. PIN (default is 0000 or 1234. PIN Lost, contact the MTS salon to unlock.

If none of these methods worked, try alternative APN options that sometimes work better than standard ones:

Name: MTS INTERNET




APN: internet.mts.ru




Proxies: 192.168.192.192




Port: 8080




Type APN: default,supl




Protocol: IPv4

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If the problem persists after all the manipulations, it is likely due to the phone’s firmware or hardware limitations (for example, the lack of support for the right 4G frequencies).

Speed check and network diagnostics

After setting up the Internet, it is recommended to check the speed and stability of the connection.

1. Turn off Wi-Fi.
2. Run the speed test on the Speedtest website or in the OK Wallet app (there is a built-in test).
3. Compare the results with the average MTS in your region (you can check on the operator’s website).

Normal indicators for 4G MTS:

• 📱 Download: 20-100 Mbps (depending on coverage).
• 📤 Impact: 10–50 Mbps.
• 🕒 Ping: 20-60 ms.

If the speed is much lower, try:

• 🔄 Switch to another type of network (e.g., with a 4G on 3G back and forth).
• 📍 Move to another location (sometimes a weak signal is caused by interference).
• 📴 Activate/deactivate "Only" 4G" customized SIM-map.

Applications can be used to diagnose the network:

• NetMonster – shows detailed information about the cell, frequency and signal level.
• G-NetTrack Pro – displays the coverage of operators on the map.
• Ping & DNS – checks the stability of the connection.

FAQ: Frequent questions about setting up MTS on Xiaomi