VoLTE badge on Xiaomi Redmi 8T — What does it mean and how to use it?

You noticed on the top panel of Xiaomi Redmi 8T a new VoLTE icon and you don't know what it means, or suddenly the usual indicator is gone. 4G, And instead, this mysterious shorthand came in? Don't worry, it's not a system bug, it's a sign that your smartphone is up to the current standard of voice.

VoLTE Technology (Voice over) LTE) It dramatically changes the way we approach phone calls, offering a sound quality comparable to instant messengers like WhatsApp or Telegram, but without the need to use Internet traffic. In this article, we will detail why the VoLTE icon appeared on your Redmi. 8T, How to set it up properly and what problems you might have when you use it, and why some operators still don't support it -- and what to do about it.

What is VoLTE and why is it important for Redmi? 8T

VoLTE (from Voice over) LTE) — It's a fourth-generation voice technology (4G/LTE). Unlike traditional calls that use legacy networks. 2G/3G, VoLTE works directly through a high-speed channel. 4G, It has several key advantages:

• 🎙️ Sound quality HD — wide bandwidth allows voice transmission in format HD Voice (up to 22 kHz), which makes conversations crystal clear, without noise or interference.
• ⚡ Instant connection – the time of setting the call is reduced by 5-7 seconds 3G) before 1-2 seconds.
• 📶 Communication stability – even in weak signal conditions 4G VoLTE provides a more stable connection than 3G.
• 📱 Parallel operation of the Internet - during a conversation you can continue to use the mobile Internet at full speed (in the Internet). 3G speed 2G).

For Xiaomi Redmi 8T VoLTE support is especially relevant because the model was released in 2019, during the period of active transition of operators to the new model. 4G-Without VoLTE, calls can be automatically switched to other regions. 3G, This leads to poor communication quality and increased connection time.

In addition, many operators (e.g., the Television)2 And Yota has already started shutting down the networks. 3G favorably 4G/5G. This means that without VoLTE, your Redmi is a free-for-all. 8T It might just stop calling in the near future, so setting up this feature is not a whim, it's a must.

What does the VoLTE icon look like on Xiaomi Redmi 8T and where to find him

At Xiaomi Redmi. 8T The VoLTE indicator is displayed in the top notification bar (near the network, battery and time icons). MIUI and themes:

• 📶 Standard form: the letters "VoLTE" or "HD" blue/green background.
• 🔄 Alternative option: pipe icon with inscription "4G" (some operators).
• ❌ No icon: If the indicator is gone, it doesn’t always mean that VoLTE is disabled – sometimes it’s just hidden in the settings.

To make sure the function is active, follow the following steps:

1. Open the Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-card (if there are several).
3. Check the "VoLTE" item - a switch should be in the on position opposite it.
4. If there is no option, update the firmware MIUI Up to the latest version (instruction below).

Important: on some versions MIUI for Redmi 8T The VoLTE icon can only be displayed during an active call. To check this, call another number and see if the icon has appeared "HD" or "VoLTE" next to the conversation timer.

How to enable VoLTE on Xiaomi Redmi 8T: step-by-step

If the VoLTE icon is missing or the function is disabled, follow the following steps.

• 📱 Xiaomi Redmi Smartphone 8T latest version MIUI (least MIUI 12).
• 📶 SIM-VoLTE-enabled card (check with the operator).
• 🌐 Stable network coverage 4G/LTE.

Now we move on to the setting:

1. Open the Settings. → About the phone and check the version MIUI. If she's older. MIUI 12, update it: Settings → Updating the system → Check for updates
2. Go to Settings. → SIM-maps and mobile networks. Choose yours. SIM-card (if there are several).
3. Find "VoLTE" (or "Enhanced Calls") and activate the switch. If you don't have an option, click "Additional Settings" and look for it there.
4. Reboot the phone. Once turned on, the VoLTE icon should appear in the status bar.

If the indicator does not appear after these actions, try:

• 🔄 Insert SIM-The card is another slot (if there are two of them).
• 📞 Call ##4636##, select "Phone Information" and manually enable "VoLTE provisioned".
• 🔧 Reset network settings: Settings → SIM-maps and mobile networks → Resetting network settings.

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If VoLTE calls start to stop after you turn on, try turning off the "Wi-Fi Calling" feature (if it's active). MIUI.

What operators in Russia support VoLTE for Xiaomi Redmi 8T

Not all Russian operators provide support for VoLTE for Xiaomi Redmi 8T. Below is the current table for 2026:

If your carrier does not support VoLTE, but you want to use the technology, consider the following options:

• 🔄 Change the tariff plan to a more modern one (for example, MTS VoLTE is available only at Tariff and Smart tariffs").
• 📱 Buy it. SIM-New design map (older ones may not support technology).
• 🌍 Use alternative messengers (WhatsApp, Telegram) for Internet calls.

⚠️ Note: If after activation of VoLTE you lost mobile Internet, check the settings APN. Some operators (e.g. Tele2) require manual adjustment of access points after VoLTE is enabled.

Frequent problems with VoLTE on Xiaomi Redmi 8T and their decisions

Even after setting up VoLTE correctly, Redmi users 8T There are a number of problems that you might encounter. Here are the most common ones and how to fix them:

1.Volte badge is there, but calls are going on as normal

Reason: The operator has not activated the service for your number.

Decision:

• 📞 Call the operator and ask to activate VoLTE.
• 🔄 Restart your phone and check the settings again.

2 After the inclusion of VoLTE mobile Internet disappeared

Reason: Settings conflict APN or firmware.

Decision:

• 🔧 Reset network settings: Settings → SIM-maps and mobile networks → Resetting network settings.
• 📥 Update the firmware to the latest version MIUI.

3.VolTE works, but the sound quality is worse than in instant messengers

Reason: weak signal 4G or problems with the operator.

Decision:

• 📶 Move to a place with a more stable coating 4G.
• 🔄 Turn off and turn on VoLTE again in the settings.

4.The phone does not save VoLTE settings after restarting

Reason: Error in the operation of the module IMS (IP Multimedia Subsystem).

Decision:

• 🔧 Reset your network settings (see above).
• 📥 Install custom restoration (TWRP) and run the module IMS manually (for experienced users).

⚠️ Warning: If after turning on VoLTE, the phone begins to warm up strongly or discharge quickly, turn off the function and check the smartphone for viruses. IMS, Which leads to increased energy consumption.

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If none of these methods worked, the problem may be a hardware malfunction of the modem, in which case, contact the Xiaomi service center for diagnosis.

VoLTE vs Wi-Fi Calling: What’s Best for Xiaomi Redmi 8T

Many users confuse VoLTE and Wi-Fi Calling, although these are two different technologies.

What technology to choose for Redmi? 8T?

• 🏙️ In a city with good coverage 4G It is better to use VoLTE – it is more stable and economical.
• 🏡 Home or office with weak mobile signal is more convenient than Wi-Fi Calling.
• ✈️ In roaming, Wi-Fi Calling is often the only working option.

At Xiaomi Redmi. 8T You can turn on both functions simultaneously, but sometimes they conflict. If you notice a communication problem, you can choose one of the technologies.

The future of VoLTE: is it worth waiting for the shutdown 3G And what does it mean for Redmi? 8T

V 2026–2026 In the past few years, most Russian operators have been planning to completely shut down their networks. 3G favorably 4G/5G. That means that:

• 📵 Phones without VoLTE support will not be able to make regular calls (only through messengers or Wi-Fi Calling).
• 🔄 Xiaomi Redmi 8T It will remain operational, but only if VoLTE is enabled and supported by the operator.
• 📡 In some regions (especially rural areas) 4G It may not be sufficient for the stable operation of VoLTE.

What to do with Redmi owners 8T?

1. Make sure your carrier supports VoLTE (see table above).
2. Update your MIUI firmware to the latest version.
3. If VoLTE doesn’t work, consider buying a newer smartphone (like the Redmi Note 12 or the Redmi Note). POCO X5).

According to MTS, by the end of 2026 the network 3G It will be turned off in 80% of the regions of Russia, so setting up VoLTE on Redmi 8T — It’s not just about improving the quality of communication, it’s about maintaining the basic functionality of the phone.

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If your carrier does not already support VoLTE, but plans to disable it 3G, It's time to change the fare or the provider, otherwise you risk being left without the ability to call.

FAQ: Answers to Frequent Questions about VoLTE on Xiaomi Redmi 8T