VoLTE on Xiaomi: why you need, how it works and how to set up in 2026

Have you ever noticed that while you're on the phone, the Internet suddenly slows down or disappears? Or that calls are connected longer than usual, despite a full signal. 4G? The problem is likely to be the disconnected VoLTE, a technology that has long been the standard but still raises questions from Xiaomi owners, POCO And Mi, why his absence spoils the impression LTE-Networks and how to properly configure the function on different models.

Many people mistakenly think that VoLTE is just “enhanced calls,” but in fact it’s a whole range of benefits, from saving battery power to being able to use the Internet during a conversation. However, not all operators and not all Xiaomi devices support this technology equally well. We tested VoLTE on popular models (from Redmi Note 12 to Xiaomi 14 Ultra) and collected current data on compatibility with Russian and foreign carriers in 2026.

If you've never heard of VoLTE or tried to turn it on, but it didn't work out, this article is for you. We're not going to go into technical detail, but we're going to explain it in simple language, with step-by-step instructions, screenshots and answers to frequent questions. FAQ-A block of problem solving and a survey about how you use VoLTE on your Xiaomi.

What is VoLTE and why is it important for Xiaomi?

VoLTE (Voice over LTE) — This is a voice transmission technology over the network. 4G, Unlike traditional calls that use outdated ones. 2G/3G In short, your voice is converted into digital data packets and transmitted over the same channel as the Internet:

• 📶 Quick call connection – no delay in 1-2 as in the case of switching between 4G and 3G.
• 📞 Better sound quality – wide bandwidth allows voice to be transmitted in format HD (up to 24 kHz vs 8 kHz in normal calls).
• 🌐 The Internet works during a conversation – you can talk and use instant messengers or a browser at the same time.
• 🔋 Battery savings – the phone does not waste energy on constantly switching between networks.

For owners of Xiaomi VoLTE is especially relevant for two reasons:

1. Many models (especially the budget Redmi) come with VoLTE disabled by default, even if the hardware supports the technology.
2. No VoLTE on the network 4G/5G The calls will "fall on" 3G, This leads to poor communication in areas with weak surfaces.

According to OpenSignal (2023), users with VoLTE enabled spend 15% less time waiting for a call to connect and 20% less often face communication interruptions, while in Russia the technology has been actively introduced since 2018, and today it is supported by all major operators: MTS, Beeline, MegaFon and Tele2.

How to check if your Xiaomi VoLTE supports

Before you set up VoLTE, make sure your device supports it. Here are 3 ways to check:

Official list of compatible models

Xiaomi regularly updates the list of devices with VoLTE support, and for 2026 the technology is guaranteed to support:

• 📱 Xiaomi Series 13/14 (All models, including the Pro and Ultra).
• 📱 The Redmi Note series 11/12/13 (Other than basic versions for some regions).
• 📱 All smartphones POCO F4/F5 newer.
• 📱 Xiaomi Civi 2/3 ix 4/5.

⚠️ Note: Even if your model is on the list, VoLTE support may not be available for a specific region (e.g., global versions often lack VoLTE for Russia).

2. Verification through settings

Go to Settings. → SIM-maps and mobile networks → [choose SIM] → Enable VoLTE. If no point, then support is not available at the software level (even if hardware is possible).

3. Test through the engineering menu

For advanced users: type ##4636## in the dialer, select Phone Information and check the VoLTE provisioned line. If there is 1, support is available.

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

If your smartphone supports VoLTE, you can turn it on in 2 minutes.

1. Open Settings and go to the section SIM-maps and mobile networks.
2. Choose. SIM-The card you want to activate VoLTE for (if there are two of them).
3. Tap on Enable VoLTE (or Voice Calls) 4G firmware).
4. Restart your phone – it’s a must for changes!

After the reboot, an icon should appear next to the network indicator. HD Or VoLTE (depends on firmware). If it's not, check it out:

• 🔄 Does your carrier support VoLTE (list below).
• 📶 Do you have any coverage? 4G current-place.
• 📱 Are there any energy saving modes (they can turn off VoLTE).

Badge HD/VoLTE map|

Calls are connected instantly (without delay)|

The Internet works during a conversation|

The sound quality is cleaner (no noise)

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⚠️ Note: Some models (e.g. Redmi) 9A or POCO M3) VoLTE option may be hidden in Additional settings → Mobile network → Network type. If you can't find it, try searching through the search bar in the settings (the magnifier icon at the top).

VoLTE and telecom operators: compatibility in 2026

Even if your Xiaomi supports VoLTE, the technology will not work if your carrier does not support it, and the table below shows the latest data on Russian and popular foreign operators:

For foreign operators:

• 🇺🇸 T-Mobile and AT&T (USA) – VoLTE works on all Xiaomi with official firmware.
• 🇪🇺 Deutsche Telekom (Germany) – requires activation via #86583##.
• 🇮🇳 Jio and Airtel (India) – VoLTE is enabled by default on all supported models.

Important: If you use Xiaomi with custom firmware (like LineageOS or Pixel Experience), VoLTE may not work even with hardware support. IMS-parameters.

Frequent VoLTE issues on Xiaomi and their solutions

VoLTE should work out of the box, but in practice, Xiaomi users often encounter bugs. TOP-5 problems and ways to correct them:

1. VoLTE is turned on, but the icon does not appear

Reasons:

• 📡 Weak signal. 4G (VoLTE requires stable coverage).
• 🔄 The operator has not activated the service for your number (call for support).
• 📱 Energy-saving firmware is installed (for example, MIUI Lite).

Solution: Switch manually to the network 4G (Settings → Mobile network → Type of network → Only LTE) and reboot the phone.

2. Calls are terminated or not connected

This is a typical problem for the Redmi Note. 10/11 firmware MIUI 13. The culprit is a bug in the module IMS. It's fixed like this:

1. Update your firmware to MIUI 14 or later.
2. Reset network settings: Settings → SIM-map → Resetting mobile network settings.
3. If it doesn’t help, turn off VoLTE and use it. 3G call-in.

3.VolTE works, but there is no internet at the time of the call

The fault of the operator: some (for example, Tele2) do not support simultaneous data and voice transmission (SVLTE). Decisions two:

• 🔄 Switch to MTS or MegaFon – they support SVLTE.
• 📱 Turn on modem modem when calling (but it eats up traffic).

4 After the update, VoLTE was missing

Frequent complaints after upgrading to Android 13/14. Reason: dumping IMS-We're correcting the profile:

1. Enter in the dialer: ##86583##


2. Select "Turn on VoLTE provisioning".




3. Reboot the phone.

5.VolTE is there, but the sound quality is poor

The problem may be on the operator’s side (e.g. Beeline compresses voice traffic in some regions).

• 🔊 Enable Voice Improvement in Call Settings.
• 📵 Disable Wi-Fi during a conversation (sometimes conflicting with VoLTE).

💡

If after all the manipulations VoLTE and did not work, check whether you have a double SIM Some Xiaomi models (e.g., with the same operators, POCO X3) They do not support VoLTE on both sides. SIM simultaneously.

VoLTE vs ViLTE vs VoNR: What's the difference?

In the settings Xiaomi can be found not only VoLTE, but also ViLTE (Video over). LTE) or VoNR (Voice over) NR, I mean, call-in 5G). Let’s see what it is and whether it is necessary to include them:

• 📞 VoLTE – Standard voice calls 4G. Minimum set for comfortable communication.
• 🎥 ViLTE - video calls on 4G (It is a similar FaceTime, but through an operator. only MTS and MegaFon are supported in Russia.
• 🚀 VoNR - Calls by phone 5G. It is not useful, because in Russia 5G It is not deployed, but works abroad only for Xiaomi. 13/14.

⚠️ Note: ViLTE and VoNR may conflict with VoLTE on some firmware. If normal calls are lost after they are turned on, disable additional options in Settings → Mobile network → Additionally.

To date, VoLTE is the only really useful technology on this list: ViLTE and VoNR are still “check-ticks” that are used in real life by less than 5% of subscribers.

💡

If your carrier doesn’t support VoNR or ViLTE, it doesn’t make sense to include these options – they will only increase battery consumption.

The future of VoLTE: what awaits the technology in 2026-2026

VoLTE has become the de facto standard, but the evolution of voice technology is not stopping.

• 🌍 Global shutdown 2G/3G: K 2026 In the coming year, most operators (including Russian ones) plan to completely abandon outdated networks.
• 📡 VoNR instead of VoLTE: With distribution 5G Xiaomi 14 already supports VoNR, but it is a test mode.
• 🤖 AI in calls: Companies are testing features like Google Duplex (voice assistant for bookings) or real-time automatic translation.

For Xiaomi owners, this means:

1. If you are buying a new smartphone in 2026, be sure to check for VoLTE support - without it, the phone risks becoming a "brick" in 1-2 years.
2. Older models (until 2020 release) may lose the ability to call after disconnection 3G.
3. Operators will start charging for “obsolete” calls 3G (already announced AT&T in the U.S).

💡 Tip: If you plan to use your phone for longer than 2-3 years, choose models with VoNR support (e.g. Xiaomi) 13T This ensures compatibility with the networks of the future.

FAQ: Answers to Frequent Questions about VoLTE on Xiaomi