VoLTE on Xiaomi Redmi: why you need this mode and how to disable it without losing communication

You saw the words "VoLTE" on the screen of the Xiaomi Redmi smartphone next to the network indicator and wondered what it was? Or maybe you faced problems: the phone discharges quickly, and an unknown switch appeared in the communication settings? This technology has long become the standard for modern networks, but not all users understand its purpose - and especially know how to control it on Xiaomi devices.

In this article, we will explain in detail what VoLTE is, why it activates automatically on the Redmi Note 11, Redmi 9 and other models, and most importantly, how to turn it off if it interferes with the phone. MIUI, nuances for different operators (MTS, Beeline, MegaFon, Tele2) and possible consequences of deactivation. And also - what to do if after the VoLTE shutdown the Internet disappeared or stopped coming SMS.

Spoiler: 90 percent of the time, you don't have to turn off VoLTE, it improves the quality of your communications, but if you want to do that, follow our instructions based on the version. MIUI And the models of your Redmi.

What is VoLTE on your phone in simple words?

VoLTE (from Voice over) LTE) — This is a voice transmission technology over the network. 4G (LTE), Not through traditional networks. 2G/3G, So, in simple terms, when you call with VoLTE on, your voice is transmitted over the same pipes as the Internet, but with priority.

Why is this important to Xiaomi Redmi?

• 📞 Fast connection: the call connects almost instantly (without a delay of 1-2 seconds, as in the case of a phone call). 3G).
• 🎧 Clean sound: technology uses codec HD Voice, so the voice of the interlocutor sounds clearer, without noise.
• 📶 Without breaks when switching networks: before when calling the phone switched from 4G on 3G, That's not what's happening with VoLTE.
• 🔋 Battery savings: The phone doesn’t waste energy switching between networks.

Xiaomi Redmi (and other smartphones on the phone) MIUI) VoLTE is usually activated by default if your carrier supports this technology, and you can check if it works on your device by using the "VoLTE" icon or «HD» in the status bar next to the network indicator.

But why do some users want to turn off VoLTE?

• 🔄 Connection problems: in some regions of the network 4G It's still unstable, and calls can break.
• 📵 No network after update: after firmware MIUI sometimes get tweaked.
• 🔋 Fast battery discharge: if the network 4G weak, the phone spends a lot of energy maintaining VoLTE.
• 📱 Incompatibility with some applications: rare, but it happens that messengers or SIP-Calls conflict with VoLTE.

How to check if your Xiaomi Redmi and VoLTE operator support

Before you turn off VoLTE, make sure it actually works on your phone. Here's how to do it:

1. Look at the top notification bar, if next to the network indicator (e.g, «4G» or «LTE») is marked "VoLTE" or «HD» — technologically.
2. If the call is connected in less than a second and the sound is clear (no background noise), it is likely that VoLTE is used.
3. Check the settings: Open the settings → SIM-maps and mobile networks. Choose yours. SIM-Find the option "VoLTE" or "Improved Calls" (the name may vary depending on the version). MIUI).

If the settings do not include “VoLTE”**, this may mean:

• 📵 Your operator does not support the technology (relevant to some regional providers).
• 📱 Your Xiaomi Redmi model is too old (like Redmi) 4X or Redmi 5A You may not support VoLTE on some firmware).
• 🔄 Settings went down after the update MIUI.

⚠️ Note: If your Xiaomi Redmi does not support VoLTE, but there is a switch in the settings, it may be a firmware error.

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

If you decide to disable VoLTE (for example, due to connection problems or fast battery discharge), follow this instruction. MIUI phone models.

Check the balance. SIM-cards (some operators block settings at zero balance)

Remember the current mobile network settings (take a screen picture)

Make sure you have a stable signal. 3G/4G (Without VoLTE, calls will go through it)

Restart your phone before changing your settings

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Method 1: Using standard MIUI settings (for most models)

1. Open the Settings app.
2. Go to section. SIM-Maps and mobile networks (or Mobile Network on older versions) MIUI).
3. Choose yours. SIM-card (if two of them).
4. Find the option "VoLTE" (can be called "Improved Calls", "Calls" 4G» or Enable VoLTE»).
5. Switch the slider to the "Off" position.
6. Confirm the action if a warning appears.
7. Reboot the phone.

If after the shutdown of VoLTE lost the Internet or stopped coming SMS, perform the following actions:

1. Back to Settings → SIM-maps and mobile networks.
2. Select Network Type (or Preferred Network Type).
3. Set the value «4G (preferably” or «3G» (if 4G unstable).
4. Reboot the phone again.

Method 2: Engineering menu (for advanced users)

If the standard settings do not have a "VoLTE" option, you can turn it off via the engineering menu, and be careful: incorrect actions can disrupt the network.

1. Open the Phone app.
2. Enter the combination: ##4636### (some models may not work, then use #86583##).
3. Select “Phone Information” (or “Phone Information”).
4. Scroll down to the "Set preferred network type" section.
5. Choose an option «LTE/WCDMA/GSM auto” (without VoLTE) or «WCDMA only" (only) 3G).
6. Click "Turn off VoLTE"** if you have one.
7. Return to the main menu and select “Restart radio”** (Reboot of the communication module).

⚠️ Attention: On some firmware MIUI If nothing happens after you enter the code, your version of the software doesn't support this method. Don't try to get around the lock through third-party applications, this can cause a failure. IMEI.

Method 3: Disconnection through USSD-for certain operators (for certain operators)

Some operators (for example, Beeline or MegaFon) allow you to control VoLTE through the Internet. USSD-Try the following commands:

• 📞 For Beeline: dial *110*181# and follow the instructions (disabling VoLTE may be called "Disable". HD-call-up»).
• 📞 For MegaFon: send SMS textual VOLTE OFF 0500.
• 📞 For MTS: Call 0890 and ask to turn off VoLTE manually (you can’t do it yourself).

If USSD-commands did not work, contact the operator’s support – perhaps, on your tariff, VoLTE is turned off only through your personal account.

What to do if after the shutdown of VoLTE lost the Internet or call does not work

Disabling VoLTE sometimes causes a mobile network to crash, and here are the most common problems and solutions:

If none of these methods worked, try resetting your network settings:

1. Go to Settings → System and device → Additional → Resetting.
2. Select “Reset Network Settings”** (don’t reset all settings!).
3. Confirm the action and restart the phone.
4. After resetting, reset APN (access point for your operator.

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If after turning off VoLTE phone became faster discharge, check whether he switched to the phone. 2G. Online. 2G The battery goes down faster because of the outdated protocol. In this case, force the "Only" set. 3G»** customized.

VoLTE vs ViLTE: What’s the difference and what’s better on Xiaomi Redmi

In the Xiaomi Redmi settings, you might find not only VoLTE, but ViLTE, which is a different technology, and it's often confused.

• 📞 VoLTE (Voice over LTE) — voice-over 4G.
• 📹 ViLTE (Video over LTE) — video-calling 4G (Similar to FaceTime, but via mobile network).

ViLTE allows you to call with video directly through the standard Phone app, without using instant messengers. However, this feature is not supported by all operators in Russia. On Xiaomi Redmi, it is usually disabled by default.

Should I turn off ViLTE if it is turned on?

• ✅ Yes, if you don’t use video calls over a mobile network (most users prefer WhatsApp or Telegram).
• ❌ Not if you frequently call video via a standard app (for example, for work).

To disable ViLTE:

1. Go to Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-map.
3. Find the item "ViLTE" or "Video Calls".
4. Turn off the switch.

⚠️ Note: On some Xiaomi Redmi models (e.g. Redmi Note 10 Pro), turning off ViLTE automatically turns off VoLTE. If you only want voice, not video, it’s best to leave both features on.

How to turn VoLTE back on if the connection gets worse

If you notice that calls have become worse after you turn off VoLTE (longer connections, sound is interrupted, communication is more often cut off), you should bring the technology back.

1. Go to Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-map.
3. Activate the Volte (or Improved Calls) switch.
4. If there is no switch, update the firmware MIUI up to the latest version (see section below).
5. Reboot the phone.

If VoLTE is not turned on, check:

• 📵 Operator support: Call support and check if the service is activated on your number.
• 📱 Phone compatibility: Check on Xiaomi’s website to see if your model supports VoLTE (e.g. Redmi 7 and older is usually supported).
• 🔄 Settings APN: Sometimes the access point settings get lost. Reset them to standard (in mobile network settings).

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If after turning on VoLTE calls still go without an icon «HD»**, So the operator doesn't support the technology in your area, so you can turn off the VoLTE back, and it's wasting the battery.

Update MIUI for proper operation of VoLTE

If your Xiaomi Redmi VoLTE is unstable (calls are cut off, sound is distorted), the problem may be with outdated firmware.

How to update MIUI:

1. Open Settings → About the phone → System update.
2. Click on "Check Updates"**.
3. If a new version is available, download and install it.
4. After the update, restart the phone.

If the update doesn’t help, try resetting your network settings (as described above) or perform a hard reset (but back up your data first!).

For some models (for example, Redmi Note 8 Pro) Xiaomi releases special patches for VoLTE. You can find out about them on the official forum Mi Community (section for your model).

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Before updating, check the firmware reviews on the forums. Sometimes new versions MIUI If your current version is stable, it's best not to update unnecessarily.

FAQ: Frequent questions about VoLTE on Xiaomi Redmi