Xiaomi Redmi VoLTE icon: What it means and how to use it in 2026

Have you noticed a mysterious VoLTE sign on your Xiaomi Redmi screen next to the network indicator? Or suddenly the icon disappeared and now calls sound worse? This article will examine all the nuances of technology that has been changing the usual mobile communication for several years - but many users still do not understand how it works and why it is needed.

We will not be giving you technical details about LTE-Instead, it's clear answers to questions like what gives VoLTE to the owner of Redmi, how to turn it on (if the icon isn't there), why it might disappear, and what to do if calls stop working after activation. And also – unique data on VoLTE support on different Redmi models in 2026, which is not in the official instructions of Xiaomi.

Spoiler: If you still call through the usual 2G/3G-network, you lose up to 40% And you're also taking a few seconds to connect, but the nuance is that not all operators and not all Redmi models work equally well with VoLTE.

What is VoLTE and why did it appear on your Redmi?

VoLTE (Voice over LTE) — It's a voice technology that doesn't transmit your voice over outdated networks. 2G/3G, straight up 4G(LTE)-Imagine that before the calls were on a dirt road, and now on the expressway.

The main difference is from regular calls:

• 📞 Instant connection – no delay in 2-3 seconds in dialing.
• 🔊 Pure sound in HD-quality - sampling frequency up to 16 kHz (versus 8 kHz in 3G).
• 📶 No switching over. 3G — During the call, the Internet continues to work on 4G-speed.
• 🔄 Smooth transition between VoLTE and Wi-Fi Calling (if supported).

On Xiaomi Redmi, the VoLTE icon appears in the status bar when:

1. Your operator supports the technology (list below).
2. The phone has a feature in the settings.
3. You are in the 4G/LTE coverage area.
4. SIM card compatible with VoLTE (usually required) USIM).

Why Xiaomi is actively implementing VoLTE in its smartphones? the fact is that many countries (including Russia) are gradually turning off networks 2G/3G squirt 5G. For example, in Moscow and St. Petersburg, operators have already started this process. Without VoLTE, your Redmi risks being left without the ability to call in some regions.

What does the VoLTE icon look like on different Redmi models?

The appearance of the indicator depends on the version MIUI And the smartphone models:

On some firmware (especially custom) icons may look like:

• 📶 "4G+" near-pipe.
• 🔊 "HD Voice" (from Tele2 operator).
• ⚡ "Enhanced Calling (on export versions).

If you don't see any icon, it doesn't always mean that VoLTE doesn't work. MIUI The indicator is hidden, but the technology is active. You can only check this with a test call (for how - read below).

💡

On the Redmi Note 10 Pro and later, the VoLTE icon may disappear when the power saving mode is activated. MIUI — Try disabling battery optimization for the Phone app".

Step-by-step: how to turn on VoLTE on Xiaomi Redmi

If there is no icon, first check if your model supports the technology.

If your smartphone is on the supported list, follow the instructions:

1. Open the Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-card (if there are several).
3. Tap on the network type or preferred network type.
4. Select a point "4G (preferably" or "LTE/4G/3G/2G (motor-car)".
5. Go back and find the VoLTE or Improved Calls option.
6. Activate the switch. If you don't have an option, update the firmware.

Make a test call to another VoLTE phone

Check the speed of the connection (should be) <1 sack)

Make sure that during the call is not lost 4G

Ask the interviewer to rate the sound quality

-->

On some models (for example, Redmi Note 11) the path may be different:

Settings → Connections and Sharing → Mobile Network → SIM-card name → Use VoLTE

If the icon does not appear after the inclusion:

• ⚠️ Restart your phone – sometimes required to apply settings.
• ⚠️ Check what you have installed. USIM-map (ordinary) SIM Not supported by VoLTE).
• ⚠️ Update the firmware to the latest version (in Settings) → The phone. → Updating the system).

💡

On the Redmi. K60 VoLTE is automatically activated when you first call on the network. 4G — The icon will appear after the first successful connection.

Why VoLTE icon is missing and how to get it back

Even if you set it right, the icon may disappear, and here are the real reasons (as per Xiaomi service centers for 2026):

The most common problem is the conflict with Wi-Fi Calling. On the Redmi Note 12 and later, the two features can block each other.

1. Open the Settings. → SIM-map → Additionally.
2. Turn off Wi-Fi Calling.
3. Reboot the phone.
4. Turn on VoLTE first, then Wi-Fi Calling.

Another common bug is the VoLTE icon showing up, but calls are coming through 3G. This means the operator has not activated the service for your number:

##4636## → Phone Information → Is VoLTE-provisioned installed?

If it says Not Provisioned, call the operator’s support and request VoLTE for your tariff.

💡

On the Redmi. 10C Redmi 9 Activ VoLTE may not work with two SIM-So the solution is to turn off one of the cards or use them in turn.

VoLTE and telecom operators: who supports the technology in 2026

Not all Russian operators are equally good at VoLTE, and here is the current support table for June 2026:

Important: Even if the operator supports VoLTE, you may need a special service. USIM-A map, a normal map. SIM, issued before 2019, not compatible with the technology:

• 🔍 Look at the map itself, the new ones. USIM sign "4G LTE" or "Volte Ready".
• 📞 Call the operator and ask if my support is SIM-VoLTE?".
• 🛠️ Replace the card in the cabin - it is free (while saving the number).

On Xiaomi Redmi with two SIM-VoLTE cards usually only work on the first card. SIM (slot SIM1). This is a hardware limitation - the second slot often doesn't support it. 4G-You can check this in the settings:

Settings → SIM-map → Selecting a network SIM2

If there is no VoLTE option, the second slot does not support the technology.

VoLTE vs Wi-Fi Calling: What’s Best for Xiaomi Redmi

Many people confuse VoLTE and Wi-Fi Calling, but these are different technologies with different pros and cons. Here's a comparison for Redmi owners:

In practice, Xiaomi Redmi is best suited to use both technologies together:

• 📶 VoLTE – for calls on the street (best quality).
• 📶 Wi-Fi Calling – at home or in the office (saves battery).

How to enable both functions:

1. Activate VoLTE (instruction above).
2. Go to Settings. → SIM-map → Wi-Fi Calling.
3. Turn on the option and confirm your address (required for emergency calls).
4. Reboot the phone.

On the Redmi. K50 And then there's the smart switch, where the phone automatically selects the best channel (VoLTE or Wi-Fi) depending on the signal.

Frequent VoLTE issues on Xiaomi Redmi and their solutions

Even after setting it up properly, users are faced with bugs.-5 Problems and solutions to the Forum 4PDA (2026 year):

1. Calls are cut off through 10-20 Reason: Conflict with energy saving. Solution: Settings → Battery → Performance mode → Select “Balanced".
2. The interviewer can't hear you (or vice versa) Reason: Wrong codec. Solution: Enter ##86583## and select AMR-WB.
3. VoLTE is working, but there is no internet during the call Reason: Operator restricts.Solution: Complain in support asking to check QCI-profile.
4. VoLTE icon is there, but calls go through 3G Reason: Operator service not activated. Solution: Send USSD-team *111*468# (for MTS).
5. After updating MIUI VoLTE missing Reason: Resetting settings IMS. Solution: Reset network settings (Settings) → System system → Reset → Resetting the mobile network).

If nothing helps, try a manual connection to the VoLTE network:

Settings → Mobile network → Manual connection → Select an operator marked “VoLTE”

On the Redmi Note 10 Pro and Redmi K40 There is a hidden menu for diagnosis:

##4636## → Phone Information → VoLTE Settings

You can manually enable Enhanced 4G LTE Mode (even if it is not in the main settings).

💡

On the Redmi. 9T and Redmi 10 with firmware below MIUI 13.0.5 VoLTE may not work due to bug in the module IMS. Solution - Update via Fastboot.

FAQ: Answers to Frequent Questions about VoLTE on Xiaomi Redmi