VoLTE on Xiaomi Redmi smartphones: icon value, configuration and problem solving

You noticed a mysterious VoLTE icon in the status bar on your Xiaomi Redmi screen and wondered what it meant: This little icon is an indicator of modern voice technology that is radically changing the quality of calls. Unlike traditional voice calls that operate to outdated standards. 2G/3G, Voice over LTE It transmits voice data through high-speed 4G-network, providing crystal clear sound and lightning fast connection.

But why doesn't this icon come to all Redmi users? Because VoLTE requires support from both the smartphone and the mobile operator, and in this article, we'll look at what VoLTE is in practice, how to enable it on different Xiaomi Redmi models (from Redmi Note 10 to Redmi 12), and why the icon sometimes disappears or doesn't show at all. And you'll also learn how the quality of communication with and without VoLTE is different, we've run tests and we're ready to share the results.

What is VoLTE and why is it important for Redmi owners?

VoLTE (Voice over LTE) — This is a technology for transmitting voice calls through a fourth generation network (4G), Not through the old days. 2G/3G, And the main advantage is that the sound quality in VoLTE calls is approaching the same level as in traditional calls. HD-standard (broadband audio codec) AMR-WB), It eliminates noise, echoes and interruptions. For Xiaomi Redmi users, that means:

• ✅ Instant connection – the time of setting the call is reduced by 5-7 second 1-2 seconds.
• ✅ Clear sound – there is no background noise, the voice of the interlocutor sounds natural, as in personal communication.
• ✅ Parallel operation of the Internet - during a conversation you can use the mobile Internet at full speed (unlike the Internet). 3G, where the speed drops 2G).
• ✅ Battery savings – the smartphone does not switch between networks 4G→3G→2G, reducing energy consumption.

VoLTE technology has become the standard for modern smartphones, including the entire Xiaomi Redmi lineup since the 2018 models (Redmi 6, Redmi Note 7 and later), but many users still haven’t activated it due to ignorance or problems with operator settings. Below we’ll explain how to check for VoLTE support on your device and enable it manually.

What does the VoLTE icon look like on Xiaomi Redmi and where to look for it?

The VoLTE icon on Xiaomi Redmi smartphones is displayed in the top notification bar (status bar) next to the network signal level indicator.

• 📶 Stylized letters "VoLTE" are the most common variant (for example, on the Redmi Note 11 or Redmi 10).
• 📞 Pipe badge with a sign "HD" — It is used by some operators (for example, MTS or Beeline).
• 🔄 Icon 4G with a small tick - a rare option, found on firmware MIUI global-market.

If the icon is not there, it could mean:

1. VoLTE is disabled in the smartphone settings.
2. Your mobile operator does not support the technology (or it is not activated on your tariff).
3. Unofficial firmware is installed without VoLTE support.
4. SIM card of outdated sample (replacement with USIM is required).

To make sure you have VoLTE support, check the specifications of your Redmi model on the official Xiaomi website or in the documentation. For example, all Redmi Note 9/10/11/12 smartphones support out of the box technology.

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

Activation of VoLTE on Xiaomi Redmi smartphones takes no more 2-3 Follow the instructions for your version. MIUI:

Method 1: Through settings SIM-map (MIUI 12/13/14)

1. Open the Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-card (if there are several).
3. Tapping on the call item on VoLTE or VoLTE.
4. Switch the slider to the position on..
5. Confirm the action and restart the smartphone.

Method 2: Engineering menu (for older versions of MIUI)

If there is no VoLTE option in the settings, try activating it through the engineering menu:

1. Open the Phone app and enter the combination: ##4636##.
2. In the menu that appears, select Phone Information.
3. Scroll down to the VoLTE provisioned block.
4. If the status is disabled, click on it and select Enable.

Attention! Some firmware may not have an engineering menu or have a different path. Don't change the other options on this menu, it may disrupt the network.

💡

If the icon does not appear after turning on VoLTE, try manually selecting the network. 4G in settings: Settings → SIM-map → Preferred type of network → 4G (LTE).

Table: VoLTE support on popular Xiaomi Redmi models

If your model is not in the table, check for VoLTE support on the official list of compatible Xiaomi devices. Please note that it may require updating your firmware to the latest stable version to work properly.

Why VoLTE doesn’t work on Xiaomi Redmi: Top-5 causes and solutions

Even if your Redmi supports VoLTE, the icon may not appear.

⚠️ Attention, if you use two SIM-VoLTE can only work on one of the cards (usually the one in the slot). SIM1). Check the network priority settings for each card separately.

• 🔄 Outdated firmware - update MIUI through settings → The phone. → Updating the system.
• 📡 No coverage 4G — VoLTE only works in the area of operation LTE. Check the network indicator.
• 🪪 Old one. SIM-map, replace it with USIM from the operator (free of charge in the communication salons).
• 🔧 Reset network settings – perform reset via Settings → SIM-map → Resetting network settings.
• 🛠️ Custom firmware conflict - if an informal firmware (like LineageOS) is installed, VoLTE may not work. MIUI.

If the problem persists, contact your mobile operator support - perhaps VoLTE is not activated on your tariff, for example, Tele2 technology is available only at My Tele2 and Everything is Simple rates.

💡

Before contacting the operator, make sure that your region is covered by 4G VoLTE. Coverage maps are available on the sites of MTS, Beeline, MegaFon and Tele2.

VoLTE vs. regular calls: quality test for Xiaomi Redmi

We conducted a comparative test of communication quality on Xiaomi Redmi Note 11 Pro in the city (Moscow) and beyond (Moscow region), the results showed a significant difference between VoLTE and traditional calls:

The difference is particularly noticeable in the countryside, where 2G/3G networks are often congested. VoLTE provides a stable connection even with a weak 4G signal, whereas regular calls can be interrupted or not connected at all.

The conclusion is that if your Redmi and your carrier support VoLTE, it’s definitely worth it to turn on the technology, and the only time it’s not practical is if you’re often in areas without 4G coverage (such as the remote taiga or mountains).

Frequent questions about VoLTE on Xiaomi Redmi