How to completely disable VoLTE on Xiaomi phones: 3 proven ways

VoLTE Technology (Voice over) LTE) It allows you to make voice calls through 4G-But many Xiaomi users face problems such as sudden communication interruptions, fast battery drains, or incompatibility with some carriers. If you notice that after activating VoLTE, the quality of calls has deteriorated or the phone has become overheated, it’s time to turn off this feature.

In this article, we’ll look at all the ways you can deactivate VoLTE on Redmi, POCO and Mi smartphones running MIUI 12-15, including hidden settings for models without a standard menu item. You’ll also learn why an operator can force VoLTE to be enabled and how to get around it. If your phone doesn’t keep a network after an update or calls start to interrupt, our instructions will help you get back to stable work.

What is VoLTE and why should it be turned off on Xiaomi?

VoLTE (Voice over LTE) is a fourth-generation (4G) voice technology that should theoretically provide:

• 📞 Fast connection (the call connects in 1-2 seconds instead of 5-10)
• 🔊 HD-sound (wideband audio codec for clear voice transmission)
• 📶 Smooth transition between 4G and 3G callless

However, in practice, Xiaomi users often face the opposite effect:

• 🔋 Increased battery consumption (module) 4G more actively)
• 📵 Connection problems (calls are dropped or not received)
• 🌡️ Overheating of the processor (especially on budget models Redmi Note)
• 📡 Incompatibility with operators (not all providers support VoLTE correctly)

In addition, in some regions of Russia and the CIS, operators (for example, MTS or Beeline) forcibly activate VoLTE through firmware updates, even if the user did not ask for it. SIM-old-style cards or roaming.

Method 1: Disable VoLTE via standard MIUI settings

Most modern Xiaomi smartphones (starting with MIUI 12) allow you to disable VoLTE directly in the settings menu.

• 📱 Redmi Note 10/11/12, POCO X3/X4/X5
• 📱 Mi 11/12/13, Xiaomi 12T/13T
• 📱 Redmi K40/K50 and other flagships

Step instructions:

1. Open the Settings app (cog icon).
2. Go to section. SIM-maps and mobile networks.
3. Choose yours. SIM-card (if two of them).
4. Tap on the network type or preferred network type.
5. In the menu that opens, uncheck the box from the VoLTE (or Voice via LTE).
6. Save the changes and restart the phone.

If there is no VoLTE option on the menu, then your operator has blocked its display (frequent practice in MTS and Tele2).

⚠️ Attention: On some firmware (MIUI 13 Global) after the VoLTE shutdown, the icon may disappear 4G. It’s normal – the phone just switches to the phone. 3G Calls are still available and the data is still running through LTE. To return 4G, Just turn on the mode LTE network-setting.

Method 2: Disconnect via the engineering menu (for hidden settings)

If the standard settings do not have VoLTE, it can be disabled via the engineering menu (also known as MTK Engineering Mode or Qualcomm Service Menu), which works on 90% of Xiaomi models, including those where the operator hid the settings.

Important: the engineering menu contains parameters that affect the operation of the network. Do not change other settings if you are not sure of their purpose!

Instructions:

1. Open the Phone app.
2. Type the combination: ##4636## Some models (POCO F3, Redmi K30) may require: #86583###
3. You'll be taken to the Testing menu. Choose Phone Information.
4. Scroll down to the Set preferred network type block.
5. Select the LTE/TD-SCDMA/GSM/WCDMA option without mentioning VoLTE.
6. Click Update and restart the phone.

If the combination does not work, try an alternative method:

• Install the Phone Doctor Plus app from Play Market.
• Start the Network Test → Engineering Menu.
• Find the VoLTE Provisioned option and set the Disabled value.

💡

If the engineering menu does not open after entering the code, check if the antivirus or the Fraud Protection function in MIUI blocks it.

Method 3: Disabling VoLTE through SIM-card (if the operator blocks settings)

Some operators (for example, MTS or Beeline) force VoLTE activation at the level of the Internet. SIM-The cards, even if you've turned it off on your phone, will help:

• 🔄 Replacement SIM-New cards (old model without VoLTE support)
• 📱 Use of the second SIM-cards (if the phone is two-sim phone)
• 🛡️ Blocking VoLTE through USSD-Team (not all operators are working)

How to block VoLTE via USSD:

1. Open the Phone app.
2. Enter the command for your operator: MTS: *111*46583# (call) Beeline: *110*46583# Megaphone: *105*46583# Tele2: *155*46583#

Turn off VoLTE

If USSD-commands did not work, contact the operator support and ask to disable the service "Voice through" 4G" Please confirm that you have Xiaomi and are having communication problems.

⚠️ Attention: On Megaphone and Tele2 after shutting down VoLTE via USSD may be lost access 4G-It's a temporary phenomenon, the network will automatically recover. Don't try to change your phone settings at this point!

Problems after VoLTE shutdown and their solutions

In some cases, after deactivation of VoLTE, users face new problems, and let's look at the most common and ways to fix them:

If after the shutdown of VoLTE, the phone stopped catching the network at all:

1. Check if it is inserted correctly SIM-map.
2. Reset network settings: Settings → SIM-map → Resetting mobile network settings.
3. Update your firmware to the latest version (sometimes VoLTE bugs are patched).
4. If nothing helps, return VoLTE back and contact the service center.

VoLTE on Xiaomi: frequent questions and myths

Round VoLTE is surrounded by myths.

Myth 1: “VoLTE saves battery” – in fact, on Xiaomi with Snapdragon 6xx/7xx processors, the technology often increases consumption because the 4G module runs in enhanced mode for voice transmission.

Myth 2: "Without VoLTE, there will be no 4G" is not true. You'll still use LTE for the Internet, but calls will go through 3G (as before).

Myth 3: "VoLTE improves connectivity" -- only if your carrier has a good network setup, and in reality, many Redmi users complain of wheezing, cliffs and echoes when VoLTE is turned on.

If you are in doubt whether to turn off VoLTE, do a test:

1. Call another phone with VoLTE enabled and evaluate the quality.
2. Turn off VoLTE and repeat the call.
3. Compare volume, clarity and stability of communication.

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VoLTE is not a mandatory feature – it can be safely turned off without losing the basic features of the phone, the main thing is to make sure your carrier does not block voice calls without 4G.

FAQ: Answers to popular questions