How to enable VoLTE on Xiaomi: step-by-step instructions for all models (2026)

Voice over 4G (VoLTE) on Xiaomi smartphones allows you to call with better sound quality, fast connection and the ability to use mobile Internet at the same time. However, many users are faced with the fact that the function is disabled by default or does not work after the MIUI update. In this article, current ways to enable VoLTE on all Xiaomi, Redmi and POCO models, including solutions for popular Russian carriers.

We will understand why VoLTE may not be displayed in the settings, how to force the function to activate through the engineering menu, and what to do if after all the manipulations of the icon HD or VoLTE never appears next to the network indicator. MIUI 12, MIUI 13 and MIUI 14 (including HyperOS).

⚠️ Note: Some Xiaomi models for MTS, Beeline and MegaFon operators require additional settings APN. If after turning on VoLTE calls do not pass - check the parameters of the access point in the Mobile network section → Name of the access point (APN).

1. Verify VoLTE support for your Xiaomi model

Before you try to turn on VoLTE, make sure your smartphone supports the technology.Most Xiaomi devices, starting with the Redmi Note 7 (2019) and later, have the necessary module, but there are exceptions.

The official list of models with VoLTE support includes:

• 📱 Xiaomi Mi Series 10/11/12/13/14 (modifications)
• 📱 Redmi Note 8 Pro and newer (including Note) 10/11/12)
• 📱 POCO F3/F4/F5, POCO X3/X4/X5 Pro
• 📱 Xiaomi Civi 1/2/3 ix 4/5

A unique feature for Russia: some models (e.g. Redmi 9A or POCO M3) were sold without VoLTE certification for local operators, in which case the feature may not be available even after manual activation.

Support can be checked:

1. Enter VoLTE settings in the search - if the system offers to go to the SIM cards and mobile networks section, then the function is supported.
2. Call ##4636## and select Phone Information. If you have LTE options in the Set preferred network type, the device is compatible.

2. Standard way to enable VoLTE through settings

The easiest method is activation via the MIUI menu. Suitable for most modern Xiaomi smartphones on current versions of firmware.

Instructions:

1. Open Settings → SIM cards and mobile networks.
2. Choose yours. SIM-card (if there are several).
3. Tap on the network type or preferred network type.
4. Set the value of 4G (preferably) / LTE or 4G/3G/2G (auto).
5. Go back and find the VoLTE switch (can be called 4G Voice or Enhanced Calls). Activate it.

When turned on, an HD, VoLTE or 4G+ icon should appear next to the network indicator. If it is not, restart the phone.

⚠️ Attention: On some firmware MIUI In Russia, the VoLTE clause is hidden. In this case, use alternative methods (see section 4).

3. APN setup for VoLTE (if calls don't work)

If VoLTE is on but calls fail or are reset after a few seconds, the problem may be incorrect APN settings (access points). MTS, Beeline and MegaFon operators require special settings for 4G voice communication.

Instructions for setting up APN:

1. Go to Settings → SIM cards and mobile networks → Access Point Name (APN).
2. Choose yours. SIM-map and tap on the current profile APN (usually alone).
3. Check the following settings (create a new profile if you can’t edit):

After saving the settings, restart your phone and check VoLTE. If the problem persists, contact the operator to check the service support at your tariff.

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If after setting up the APN VoLTE did not work, try manually specifying the default,supl,ims,xcap,ia value in the APN Type field - this helps on some firmware for MegaFon.

4. Enable VoLTE via the Engineering Menu (for hidden settings)

If the standard settings do not have VoLTE, it can be activated via an engineering menu, which works on most Xiaomi models, but requires caution – incorrect changes can disrupt the network.

Step-by-step:

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 the LTE only or LTE/WCDMA/GSM auto option.
5. Go back and find Turn on VoLTE provisioning – activate it.
6. Reboot the phone.

⚠️ Attention: On some firmware MIUI In Russia, access to the engineering menu is blocked. MTK Engineering Mode (for MediaTek processors) or Qualcomm Service Menu (for Snapdragon).

An alternative way to use Snapdragon:

• 🔧 Install the app QTI Service Menu.
• 🔧 Go to Network. → VoLTE Settings.
• 🔧 Activate VoLTE Provisioning and IMS over LTE.

5.VoLTE problems on Xiaomi and their solutions

Even after you set up the right VoLTE, it may not work, so let's look at the typical bugs and how to fix them.

Problem 1: The VoLTE icon appears, but calls don’t go through.

• 🔄 Solution: Check the balance SIM-Cards – some operators block VoLTE when they have a negative balance.
• 🔄 Make sure that in the settings APN the parameter ims (see section 3).
• 🔄 Turn off Wi-Fi Calling (if enabled) – it may conflict with VoLTE.

Problem 2: The VoLTE item is not in the settings.

• 🔧 Solution: Update MIUI Up to the latest version through Settings → The phone. → Updating the system.
• 🔧 Install regional firmware (for example, EEA or Global instead of Russian – in them VoLTE is often available by default.
• 🔧 Use the Engineering Menu (Section 4).

Problem 3: VoLTE works, but there is no sound quality.

• 🎧 Solution: Turn off Bluetooth – it can reduce voice quality.
• 🎧 Check if the mode is activated Traffic Saving in the settings SIM-map.
• 🎧 Contact the operator – your tower may have support disabled HD-voice.

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If VoLTE is not working after all the manipulations, check if your plan supports this feature. for example, Tele2 VoLTE is available only on My Tele2 and My Talk rates.

6. VoLTE on Xiaomi with two SIM-map

On dual-SIM models, Xiaomi VoLTE usually only works on one model. SIM-To select a priority slot:

1. Go to Settings → SIM cards and mobile networks.
2. Switch to Double SIM (or Dual SIM settings)
3. Select the slot on which you want to activate VoLTE (usually Slot 1).
4. Go back to Network Type and enable VoLTE for the selected SIM.

⚠️ Note: On some models (e.g. Redmi Note 10 Pro), VoLTE automatically shuts down on the second model. SIM, If the first one is active, to call through 4G From the second slot, temporarily deactivate VoLTE on the first slot.

List of models with full VoLTE support on both SIMs:

• 📶 Xiaomi Mi 11 Ultra and newer
• 📶 Redmi K40 Pro / POCO F3 (Snapdragon on Snapdragon 870/888)
• 📶 Xiaomi 12S Ultra, 13 Pro

7. Update firmware to activate VoLTE

If your model supports VoLTE but the feature is missing from the settings, the problem could be with outdated firmware. Xiaomi regularly adds support for new carriers through MIUI updates.

How to update firmware:

1. Go to Settings → About the phone → System update.
2. Click Check Updates and wait for the search.
3. If you have an update, download it and install it.
4. After restarting, check for the presence of the VoLTE item in the network settings.

If automatic updates do not help:

• 🔄 Install firmware manually via Recovery or Fastboot (instructions on miui.ru).
• 🔄 Switch to the global version MIUI (for example, MIUI Global or EEA) — In these cases, VoLTE is often available by default.

Important: On models for the Russian market (with RU marked in the firmware name), VoLTE support may be limited due to the specifics of certification, in which case only a change in the firmware region will help.

FAQ: Frequent questions about VoLTE on Xiaomi