VoLTE in Xiaomi phone: why you need, how to turn on and why it doesn’t work

Have you ever noticed that while you're on the phone, the Internet suddenly disappears, and after the call, the browser pages start to load with a delay? Or maybe your interlocutor complains about intermittent sound even though you have a full signal level? Most likely, the problem lies in the disabled VoLTE, a technology that many Xiaomi users do not even know about, despite its critical importance for communication quality in 2026.

In this article, we will not only explain what VoLTE means in a Xiaomi phone, but also show you how to properly configure it on different versions. MIUI (including MIUI 14 and HyperOS), why carriers sometimes block this feature, and what to do if after updating the firmware, VoLTE suddenly stopped working.+ and POCO F5) VoLTE can be automatically turned off when using two SIM-cards from different operators.

What is VoLTE and why is it important for Xiaomi?

VoLTE (Voice over LTE) is a 4G voice technology, as opposed to traditional calls that use legacy 2G/3G networks.

• 📞 Instant connection: the call connects 2-3 times faster than when using 3G.
• 🎙️ Pure Sound: Technology HD Voice provides a frequency of up to 7 kHz (vs. 3.4 kHz in the 3G), What makes the voice of the interlocutor more natural.
• 📶 No Internet breaks: when traditional calls the phone switches to the Internet 3G/2G, With VoLTE, you can talk and download files at the same time.
• 🔋 Battery savings: no need to constantly switch between networks, which reduces the load on the modem.

But there are pitfalls, too: If your Xiaomi doesn’t support VoLTE, for example, you won’t be able to call after you turn off 3G (which many carriers, like the Tele2 in 2023), and that’s true for older models like the Redmi 4X or Mi A1.

⚠️ Note: If you use Xiaomi with custom firmware (like LineageOS), VoLTE may not work even with the support of the device. IMS-profile.

How to check if your Xiaomi VoLTE supports

Not all Xiaomi smartphones are equipped with this technology, here’s how to find out if you have VoLTE support in your model:

1. Go to the official Xiaomi website and find your model page (e.g. Xiaomi 13T Pro).
2. In the “Specifications” section, look for “Network and Communication” → “VoLTE”.
3. Alternatively, type the model name into the search engine with the query “model name + VoLTE support”.

If your model is on the list, but VoLTE doesn't work, it could be the firmware or operator settings, and more on that in the next section.

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On some models (e.g. Xiaomi) 12T) VoLTE is activated automatically after insertion SIM-If you don't, check the settings manually.

Step-by-step: how to enable VoLTE on Xiaomi

The activation process for VoLTE depends on the version of MIUI. Below is a universal instruction for most models (relevant to MIUI 12/13/14 and HyperOS):

Make sure that SIM-The card supports VoLTE (list of operators below)

Update the firmware to the latest version

Restart your phone before setting up

Check the signal level (must be at least 2-3 divisions)-->

1. Open the Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-card (if there are several).
3. Tapping on VoLTE Calls (or Enhanced Calls in HyperOS)
4. Activate the switch. If you don't have an option, see "What to do if VoLTE doesn't turn on."

For models with HyperOS (such as Xiaomi 14 or Redmi K70), the path may be different:

Settings → Connections and Sharing → SIM- Cards → [Select SIM] → VoLTE Calls

When you turn on, you should have HD or VoLTE (depending on the operator) next to the network indicator, and if you don't, try making a test call and check if the Internet remains active during the conversation.

⚠️ Note: On some firmware (for example, MIUI Global POCO F3) The VoLTE option can be hidden, in which case resetting the network settings will help: → The phone. → Resetting settings → Resetting network settings.

List of Russian operators supporting VoLTE in 2026

Not all Russian operators are equally good with VoLTE on Xiaomi, here is the current information for June 2026:

• 📡 MTS: Full support at all rates, automatic activation on the first call.
• 📡 Beeline: VoLTE is available, but requires manual activation in your personal account (Services section»).
• 📡 MegaFon: It only works on the "Anything is possible" and "Everything is free" tariffs, and it can be turned off on budget tariffs.
• 📡 Tele2: Partial support (new only) SIM-maps issued after 2022).
• 📡 Yota: VoLTE is available, but only in coverage areas 4G+.

To find out if your tariff supports VoLTE, send USSD-request:

• MTS: *111*59#
• Beeline: *110*180#
• MegaFon: *105*500#

If the carrier does not support VoLTE, but your Xiaomi is compatible with the technology, you can try using ViLTE (4G video calls) - this will partially solve the problem with the quality of communication.

What to do if VoLTE doesn’t work on Xiaomi

If you have enabled VoLTE, but calls are still going through 3G, or the HD indicator doesn’t appear, try the following steps:

1. Update the firmware: Go to Settings → About Phone → System Update. Sometimes VoLTE only activates after the last patch is installed.
2. Reset network settings: Settings → SIM-maps and mobile networks → Resetting mobile network settings
3. Check it out. IMS-Profile: Remove and reinsert SIM-On some models (e.g. Xiaomi) 11T) This triggers re-registration on the VoLTE network.
4. Use another one. SIM-Card: If you have an old one SIM (Released until 2018, replace it with a new one in the cabin of the operator.
5. Check regional settings: In Settings → Additional → Region, select “Russia.” On some firmware, VoLTE only works with a local region.

If nothing helps, the problem may be that your model is not certified by the operator.For example, Xiaomi, purchased in China (CN-version), often do not support VoLTE in Russian networks due to different frequency bands.

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On the two-way model SIM-With cards (e.g. Redmi Note 11 Pro), VoLTE can only work on one of them. SIM For VoLTE, go to Settings → SIM-map → Choice SIM call-in.

VoLTE vs ViLTE vs VoWiFi: What’s the difference and what’s best for Xiaomi

In addition to VoLTE, Xiaomi smartphones may also contain other voice technologies, and let’s see how they differ:

On most Xiaomi, these technologies can be combined, for example, if you are in a low 4G coverage area but connected to Wi-Fi, the phone will automatically switch to VoWiFi, maintaining the quality of the connection.

→ SIM-maps and mobile networks → Wi-Fi calls

But there's a caveat: VoLTE and VoWiFi won't work at the same time, the phone chooses the priority channel. On models with HyperOS (for example, Xiaomi 14), you can manually prioritize:

Settings → Connections → Additional → Priority of calls

The future of VoLTE: what awaits the technology in 2026 and beyond

According to the GSMA, by 2026, operators around the world plan to completely abandon 2G/3G in favor of 4G/5G. This means that VoLTE will become a prerequisite for making calls.

• 📵 Older models (released before 2019) may lose the ability to call if they do not support VoLTE.
• 🔄 Firmware updates will become critical as manufacturers release patches to support new standards.
• 🌍 Roaming: in some countries (for example, the United States or Japan) it is already impossible to make a call without VoLTE.

For Xiaomi, this means that new models (starting with the Redmi 13 and Xiaomi 15) will put even more emphasis on optimizing VoLTE. For example, HyperOS already has a Smart Switch feature that automatically selects the best call channel (4G, Wi-Fi or even 5G if the operator supports VoNR – voice over 5G).

If you are planning to buy Xiaomi for the future, be sure to check VoNR support (for the first time). 5G-calls) and eSIM with VoLTE – this ensures compatibility with next-generation networks.

FAQ: Frequent questions about VoLTE on Xiaomi