Mobile Internet MTS on Xiaomi: full setup in 5 minutes

Why Xiaomi does not work on mobile Internet MTS and how to fix it

You just put it in. SIM-MTS card in your Xiaomi, but mobile Internet stubbornly refuses to work? MIUI The problem is familiar to many Redmi smartphone owners, and it's been configured before, POCO and Mi – especially after resetting or replacing SIM. 90% of the time, the wrong parameters are to blame. APN (access points), data transfers disabled or network profile conflicts.

In this article you will find relevant for 2026 instructions for setting up mobile Internet MTS on any Xiaomi smartphone - from the budget Redmi Note 12 to the flagship Xiaomi 14 Ultra.

• 🔧 How to manually add the correct settings APN MTS (including hidden parameters for the 4G/5G).
• 📶 Step-by-step activation of data transfer and choice of network mode.
• ⚡ Frequent errors (e.g., “No Internet access” or “Emergency calls only").
• 🛠️ What to do if the network is, but the pages are not loaded (problems with the Internet) DNS, IPv6).

All instructions are tested on MIUI 14/15 and relevant to two SIM-If you have a card. POCO with global firmware or Redmi for China - separately note the nuances.

Step 1: Check the basic conditions before setting up

Before you get into the settings, make sure that the problem is not trivial things. Here is a checklist that will save you time:

Make sure that SIM-The card is activated (call from it to another number)

Check the balance (type *100# or use the My MTS app)

Turn off the "In the plane" mode (swipe down → aircraft icon)

Make sure you are not roaming (if so, turn on the option “Roaming Data")-->

If SIM-The card is new, it can take up to 24 hours (less often up to 48) to activate, during which time the mobile Internet will not work, even if the settings are correct:

• 📞 Call to *111*0887# (service "My number").
• 🌐 Personal account MTS (enter the phone number).
• 📱 My MTS app (download to Google Play).

Important: If you're using an eSIM MTS, it's different, it requires scanning. QR-code in the menu Settings → SIM-maps and mobile networks → Add a mobile network. Read more about this in the special section below.

Redmi (Note/Prime series)

POCO (F/X/M)

Mi (11/12/13/14) series

Black Shark

Other-->

Step 2: Enabling mobile data transfer

It seems obvious, but many users forget to turn on the data transfer option itself.

1. Open the settings (cog icon).
2. Go to section. SIM-maps and mobile networks.
3. Choose yours. SIM-MTS card (if there are two of them).
4. Activate the mobile data switch.
5. Make sure that the network type is 4G (LTE) or 5G (if supported).

On some models (such as the POCO X5 Pro), the path may be slightly different:

Settings → Connections and Sharing → Mobile Network → [Select SIM] → Mobile Data

If the option "Mobile data" is inactive (grey), the reasons may be:

• 🔌 SIM-The card is not recognized (check the slots or reboot the phone).
• 📵 Negative balance or service blocked on the counter.
• 🔒 Phone is blocked by the operator (relevant for devices purchased on credit).

💡

On Xiaomi, two SIM-By default, mobile Internet can be linked to another slot. SIM selected for data in the Settings section → SIM-map → By default, for data.

Step 3: Manually configure the APN MTS (the most reliable way)

If the Internet still doesn’t work after turning on mobile data, the APN (Access Point Name) settings are likely missing or down, which can be reset on Xiaomi after updating the MIUI or replacing the SIM.

Here are the current APN settings for MTS (2026):

Now, Step-by-step instructions on how to enter them:

1. Open the Settings. → SIM-maps and mobile networks.
2. Choose. SIM-map.
3. Press Access Points (APN).
4. In the upper right corner, tap on ⋮ → New access point.
5. Fill in the fields as above. Leave the rest of the parameters unchanged.
6. Save the settings (button) ⋮ → Save).
7. Select the MTS Internet profile you created in the list.

Important! On some Xiaomi firmware (especially Chinese) the APN type field may be called "APN type." Type the exact value: default,supl without spaces.

Step 4: Selecting Network Mode (4G, 5G or Automatic)

Even with the right APN, mobile internet might not work if the phone is tied to an unsupported standard of communication, for example, if you manually chose only 5G, and in your region MTS only provides 4G, the network simply won’t connect.

How to set up:

1. Go to Settings. → SIM-maps and mobile networks.
2. Choose. SIM-map.
3. Press Network Type.
4. Recommended option: 4G (recommended) or Auto.
5. If 5G is supported, select 5G/4G/3G/2G (auto).

At POCO and some Redmi, the path might look like this:

Settings → Connections → Mobile Network → Preferred Network Type

If 4G doesn’t catch, try:

• 📡 Manually select the network: Settings → Mobile network → Network operators → Search → select MTS.
• 🔄 Reboot your phone after changing the network mode.
• 📶 Check the coverage on the MTS coverage map.

💡

On Xiaomi, two SIM-The network mode is set up separately for each slot. SIM catcher 4G, And the second one is just 2G, Check the settings for each.

Step 5: Resolving Common Mistakes

If the Internet is still down after all the manipulations, here are the typical problems and solutions:

🔴 Error: "No Internet access" (exclamation mark on the icon of the network)

Causes and solutions:

• 🔄 DNS-servers not responding: try manually registering DNS Google (8.8.8.8 and 8.8.4.4) customized APN (field DNS 1/DNS 2).
• 📵 Access blocked: check balance or call MTS support on 0890.
• 🔒 VPN or firewall: turn it off VPN-programs (e.g., Turbo) VPN) and check the firewall settings in Settings → Annexes → Special rights → firewall.

🔴 Error: “Emergency calls only"

This problem is usually related to:

• 📱 Wrong. SIM-Card: Make sure that the slot is nano-SIM (not microSD).
• 🔌 Lack of network: Check coverage or restart your phone.
• 🔧 Failure. IMEI: Type *#06# - if you IMEI No, no, no repairs required.

If nothing helps, reset your network settings:

1. Settings → About the phone → Resetting settings.
2. Select Network Reset (don’t reset all settings!).
3. After the reboot, reset the APN setting.

💡

Xiaomi with China firmware (e.g. Redmi K60 with CN-ROM) may not have an APN menu, so install global firmware or use MIUI Hidden Settings to access hidden settings.

Step 6: Additional settings for 5G and IPv6

If you have Xiaomi with 5G support (such as Xiaomi 13T or POCO F5), but the network only works in 4G, check out:

1. Does your tariff support 5G MTS (check the number *111*54#).
2. Whether it's on 5G in the phone settings: Settings → SIM-maps and mobile networks → [Yours. SIM] → Type of network → 5G/4G/3G/2G
3. Is the firmware updated to the latest version (5G may not work on older versions of MIUI)?

To speed up the Internet, you can turn on IPv6:

1. Open the APN settings (Settings → Mobile Network → Access Points).
2. Select an MTS Internet profile.
3. In the APN Protocol field, select IPv4/IPv6.
4. Save and restart the phone.

Warning: IPv6 may not work well on some MTS tariffs, and if some sites are lost after switching on, return IPv4.

Setting up mobile Internet for eSIM MTS

If you use the eSIM MTS, the activation process is different:

1. Get it. QR-code for eSIM: In the salon of MTS. Through the application My MTS (section "My devices.

Settings → SIM-maps and mobile networks → Add a mobile network

Scan. QR-code

Step 3

Important for eSIM:

• 📱 One Xiaomi smartphone can only support one eSIM at a time.
• 🔄 If you delete your eSIM profile, you can only restore it through a new one. QR-code.
• 🌐 Not all MTS tariffs support eSIM - check with the operator.

FAQ: Frequent questions on mobile Internet MTS on Xiaomi