How to disable VoLTE on Xiaomi Redmi 8T: 3 proven ways

Xiaomi Redmi 8T — It's a popular budget smartphone that's still in use today because of its reliability and functionality, but some users are faced with the need to disable VoLTE (Voice over) technology. LTE) — voice-over 4G-The reasons can range from communication quality issues to operator conflicts, and in this article we will discuss how to properly deactivate VoLTE on Redmi. 8T, What to do if the option is not turned off, and what consequences it may entail.

It is important to understand that VoLTE is not just an “enhanced communication” but a separate protocol that may conflict with some of the other protocols. SIM-For example, in roaming or using virtual operators (such as Tele2 or Yota), VoLTE sometimes works unstable. We will look at all the ways to disconnect from standard settings to hidden engineering menus.

What is VoLTE and why you should turn it off on Xiaomi Redmi 8T

VoLTE (Voice over LTE) technology allows voice calls to be transmitted over a 4G network, rather than through traditional 2G/3G, as it used to be. In theory, this should improve communication quality, reduce connection time and allow you to simultaneously use mobile Internet during a conversation. However, in practice, Xiaomi Redmi 8T (especially on older versions of MIUI 11-12 firmware) may have the following problems:

• 📞 Call interruptions – communication is interrupted through 10-30 seconds after the start of the conversation.
• 🔊 Poor sound quality – the voice of the interlocutor sounds robotically or with delays.
• 📶 No network – after activation of VoLTE smartphone loses the signal or stops catching 4G.
• 🔄 Conflict with the operator – some Russian operators (for example, MTS or Beeline) incorrectly support VoLTE on budget Xiaomi.

In addition, VoLTE consumes more power than regular calls, which could reduce Redmi’s battery life. 8T on 5-10%. If you notice that after updating the firmware or changing SIM-The communication card has become worse – the first thing to try is to disable this function.

Method 1: Disable VoLTE via Xiaomi’s standard settings

The easiest and safest method is to use built-in MIUI options. However, on Redmi 8T, the path to these settings may vary depending on the firmware version.

1. Open the Settings app (the gear icon on the desktop).
2. Go to section. SIM-maps and mobile networks.
3. Choose yours. SIM-card (if two of them).
4. Tapping on VoLTE or VoLTE (the name may be different).
5. Move the slider to the off position.
6. Reboot your smartphone so that the changes take effect.

If the VoLTE item is not on the menu, it could mean:

• 🔄 Your operator does not support VoLTE (e.g., some regional providers).
• 📱 You have custom firmware (like LineageOS) installed, where the settings are hidden deeper.
• 🔧 The function is blocked by the operator (often found in Tele2 or Yota»).

Method 2: Use of an engineering menu (for power users)

If VoLTE does not turn off through standard settings, you can use the Engineering Mode, which requires caution, since incorrect actions can disrupt the network.

1. Open the phone app and enter the combination: ##4636##
2. In the menu that opens, select Phone Information (or Phone Information).
3. Scroll down to the Set preferred network type section.
4. Select LTE/WCDMA/GSM auto (PRL) or 3G Preferred mode (this will disable 4G priority for calls).
5. Go back and find the VoLTE provisioned item – if it is active, tap it to deactivate.
6. Reset the device.

Note: some versions of MIUI may not have an engineering menu or be blocked, and if nothing happens after you enter the code, your operator or firmware may be restricting access.

Method 3: Disabling VoLTE through Settings SIM-maps (alternative method)

On some versions MIUI 12+ The VoLTE option can be hidden in the settings of a specific SIM-To find her:

1. Go to Settings → SIM-cards and mobile networks.
2. Choose yours. SIM-If there are two, repeat the card for each).
3. Slip on Additional settings or Network settings.
4. Find Network Type and select 3G/2G (auto) instead of 4G/3G/2G (auto).
5. Save the changes and restart the phone.

This method does not disable VoLTE directly, but forcibly puts the smartphone into mode. 3G For calls, which solves the problem of cliffs. 4G-Internet during conversation.

💡

If after the shutdown of VoLTE lost mobile Internet, check APN-Your operator's settings. They're often reset when you change the network settings.

Problems after VoLTE shutdown and their solutions

Disabling VoLTE can have a number of side effects, and the table below summarizes the most common problems and ways to fix them:

If neither method worked, the problem may be the firmware. On the Redmi 8T with MIUI 11 and below, factory resets sometimes help (but this is an extreme measure).

💡

If the connection became even worse after disabling VoLTE, try returning the default settings in the “Network Reset” section (Settings → About Phone → Resetting).

How to check if VoLTE is disabled on Xiaomi Redmi 8T

To make sure that VoLTE is actually deactivated, follow the following steps:

1. Make a test call to another number.
2. During the conversation, pay attention to the network indicator in the status bar: 📶 If it's displayed 3G or+ — VoLTE is offline. 📶 If he stays 4G or LTE — VoLTE is still active.

• 📥 If the Internet is running, VoLTE is enabled (because the Internet is running). 4G Calls are only possible at the same time with VoLTE).
• 📥 If the Internet is turned off, VoLTE is turned off.

If the problem persists, contact the operator – they may need to update their system settings.