VoLTE on Xiaomi: How to turn on and configure in 5 minutes (instruction 2026)

VoLTE Technology (Voice over) LTE) lets you call through 4G-The network provides crystal clear sound and lightning fast connectivity, but on Xiaomi smartphones (including Redmi, Poco and Mi), this feature is often disabled by default or hidden in the depths of settings. 3G, Internet disappears during a conversation, and in some regions VoLTE is not activated at all.

In this article, you will find step-by-step instructions for turning on VoLTE on any Xiaomi smartphone - from the budget Redmi Note 12 to the flagship Xiaomi 14 Ultra.

• 🔍 How to check if your phone and carrier support VoLTE
• ⚙️ Where to find VoLTE settings in MIUI different versions including MIUI 14/15)
• 📶 Why VoLTE doesn’t work even after it’s turned on (and how to fix it)
• 🔄 What to do if VoLTE is missing after the update

All instructions are up to date for 2026 and have been tested on the latest firmware. If you use a smartphone older than 2019, check out the feature section on older models.

What is VoLTE and why include it in Xiaomi

VoLTE (from Voice over) LTE) — This is a voice transmission technology over the network. 4G (LTE), Not through the old days. 2G/3G, It's like what happens with regular calls:

• 📞 Instant connection – the call connects in 1-2 seconds (versus 5-10 seconds per phone) 3G).
• 🔊 HD-sound quality – wide frequency band (up to 7 kHz) makes the voice of the interlocutor natural, without noise.
• 📶 The Internet does not shut down during a conversation (unlike the Internet). 3G, where the speed drops EDGE).
• 🔋 Battery savings – the phone doesn’t switch between networks, which reduces the load on the modem.

On smartphones Xiaomi VoLTE supported since 2016 (starting with the Redmi Note 3 Pro and Mi 5), but there are nuances:

Important: even if your smartphone supports VoLTE, the carrier must also provide this service.

• 🏢 MTS (since 2018, coverage) ~90% of regions)
• 🏢 Beeline (from 2019, in major cities)
• 🏢 Tele2 (from 2020, limited coverage)
• 🏢 MegaFon (since 2017, the widest coverage)

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If you travel frequently, check VoLTE support from local operators in advance, for example, in Europe VoLTE works almost everywhere, and in some Asian countries (such as Thailand) may require separate activation.

How to check if your Xiaomi VoLTE supports

Before you turn on VoLTE, make sure your smartphone and SIM-The card supports it. Here are 3 ways to check it:

1. Verification through settings MIUI

Open the Settings. → SIM-maps and mobile networks → [choose SIM] → Network type, if there's a item on the list 4G (VoLTE) or LTE/4G/3G/2G (Car marked with VoLTE – your phone supports technology.

2. IMEI verification

Find out. IMEI Check your phone (*#06#) and check it on IMEI.info.In the Network section, you should have VoLTE supported: Yes.

3. Verification through the engineering menu

Type in the phone app code ##4636##, go to Phone Information and find VoLTE provisioned. If there is 1, support is available, if 0 is not.

⚠️ Note: On Xiaomi smartphones with two SIM-VoLTE cards can only work on the main SIM (Slot 1. If you use VoLTE on the second SIM, Move the card to the first slot.

Step-by-step: how to enable VoLTE on Xiaomi

The activation process of VoLTE depends on the version MIUI And the smartphone models, and here's a general guide that's suitable for you. MIUI 12/13/14/15.

Method 1: Through standard settings (for most models)

1. Open the Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-card (if there are several).
3. Tap on the network type (or preferred network type).
4. Choose. 4G (VoLTE) or LTE (recommended).
5. Go back and activate the VoLTE call switch (if you have one).
6. Reboot the phone.

📱 Make sure SIM-The card supports VoLTE (ask the operator)

🔄 Update MIUI last-minute

📶 Connect to the network 4G (VoLTE does not work in the 3G/2G)

🔧 Check that the network settings have been selected "4G (VoLTE)"

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Method 2: Engineering menu (for older models)

If there is no VoLTE option in the settings, try turning it on manually:

1. Enter the code #86583## (for some models, #869434##).
2. Select VoLTE Settings (or IMS Settings).
3. Activate the VoLTE Enable switch.
4. Save the settings and restart the phone.

If VoLTE has not worked after these actions, check:

• 🔄 Updates MIUI — Sometimes the function appears after the update.
• 📱 Firmware region - on Chinese versions MIUI VoLTE can be disabled (you need to reflash to the global version).
• 📡 Operator coverage – VoLTE has not yet been deployed in some regions.

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If after turning on VoLTE in the icon settings 4G+ switched HD Or VoLTE, it works. If the icon doesn't show up, check the settings. APN (see next section).

Setting up APN For VoLTE (if the calls are not working)

Sometimes VoLTE is not activated due to incorrect settings. APN (This is especially true for Tele2 and Iota operators, where parameters are often confused after updating. MIUI.

How to check and fix the APN:

1. Go to Settings. → SIM-maps and mobile networks → [yours SIM] → Access points (APN).
2. Click on the current APN profile (usually one).
3. Check the following parameters (for different operators):

If the field is Type APN If you don't have ims, you can add it manually through a comma, for example, for MTS, the line should look like this: default,supl,ims.

⚠️ Attention: After the change APN Save the settings, then restart the phone and turn on/off flight mode. Sometimes the changes only apply after these actions.

Top.-5 Xiaomi VoLTE Problems and Their Solutions

VoLTE may not work even after you set it up correctly, and here are the most common problems and ways to fix them:

1.VolTE is on, but calls are coming through 3G

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

Decision:

• 📞 Call the operator and ask to activate VoLTE (sometimes this is done automatically, but there are crashes).
• 🔄 Reboot your phone and check the network icon – it should appear the inscription HD VoLTE.

2. No VoLTE item in the settings

Reason: Outdated firmware, customized MIUI regional restrictions.

Decision:

• 🔄 Update. MIUI Up to the latest version (Settings) → The phone. → Updating the system).
• 🌍 If you have Chinese firmware, reflash your phone to global or EEA version.
• 🔧 Enable VoLTE through the Engineering Menu (see section above).

3.VolTE works, but the internet goes missing during the call

Reason: Incorrect settings APN or operator problems.

Solution: Check it out APN (should contain ims) and contact the operator – perhaps your VoLTE tariff is limited.

4.After the update MIUI VoLTE is missing

Reason: Reset network settings after the update.

Solution: Re-enable VoLTE in the settings and check APN.

5. VoLTE only works on one. SIM-map

Reason: Hardware restrictions of two-symbol Xiaomi phones.

Solution: Replace SIM-card in the first slot (it usually supports VoLTE).

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If after all the manipulations VoLTE and did not work, try inserting SIM-card to another phone (e.g. iPhone or Samsung) and check whether VoLTE works there.

VoLTE on older Xiaomi models (until 2019)

If your smartphone is released before 2019 (Redmi Note 5, Mi) A1, Mi 8 and older, turning on VoLTE may require additional action:

1. Verification of support

Not all older Xiaomi models support VoLTE, for example:

• ✅ Redmi Note 7/8, Mi 9 — support.
• ❌ Redmi 4X, Mi A1 — They do not support (or only work with some operators).

2. Manual activation through the engineering menu

For Redmi Note models 5/6, Mi 8 similar:

1. Enter the code ##86583##.
2. Select VoLTE Settings.
3. Activate VoLTE Enable and Enhanced 4G LTE Mode.
4. Reboot the phone.

3. Custom firmware MIUI

If VoLTE does not work on stock firmware, you can install custom MIUI (for example, MIUI EU Or Pixel Experience, where the feature often works better:

⚠️ Attention: Installing custom firmware resets the warranty and can lead to data loss!

Alternatives to VoLTE: ViLTE and VoNR

If VoLTE is not available, consider other technologies:

• 📞 ViLTE (Video over LTE) — video-calling 4G (It works for Xiaomi. 11/12/13 And the new Redmis. It's just like VoLTE.
• 📶 VoNR (Voice over 5G) — call-in 5G (available 12/13/14 redmi K50/60 coated 5G).
• 💬 Wi-Fi Calling – Calling over Wi-Fi (useful if you are in a position to call) 4G Included in Settings → SIM-map → Wi-Fi Calling.

To check for VoNR support, type the command in the engineering menu (#4636##) NR SA — If you have a VoNR Capable: Yes string, your phone supports the technology.

Frequent questions about VoLTE on Xiaomi