Wi-Fi Calling on Xiaomi: How to set up and use in 2026

What is Wi-Fi Calling and Why You Need It on Xiaomi

Wi-Fi Calling technology allows you to call and send SMS over the Internet, even if the mobile network is absent or weak. On Xiaomi, Redmi and POCO smartphones, this feature works on the basis of the VoWiFi standard (Voice over Wi-Fi) and is supported by most modern models, from the budget Redmi Note 12 to the flagship Xiaomi 14 Ultra.

The main advantage is stable communication in areas with poor coverage (basements, remote areas, high-rise buildings). 13T catching 1-2 network sticks, but connected to home Wi-Fi, calls will go over the Internet with quality HD-In addition, Wi-Fi Calling saves battery life, since the phone does not waste energy on finding a cell tower.

It is important to understand that the feature does not replace messengers like WhatsApp or Telegram. Calls go through the operator, not through the application, so:

• 📞 The number is displayed as normal (not hidden behind the ID messenger)
• 💰 Tariffed at the tariff of the mobile operator (free only for unlimited minutes)
• 🔒 It works even if it doesn’t work on the phone. SIM-Card (linked to the operator’s account)

What Xiaomi models support Wi-Fi Calling

VoWiFi is available on all Xiaomi smartphones with a Snapdragon 600+ or MediaTek Helio G80+ processor released after 2019.

To find out if your Xiaomi technology supports, check out:

1. Open Settings → About the phone → All the characteristics
2. Find VoWiFi or Wi-Fi Calling
3. If not, try updating your firmware to the latest version of MIUI.

Preparation before setting up Wi-Fi Calling

Before you turn on the function, follow 3 mandatory steps:

Update. MIUI last-minute|Make sure that SIM-card activated|Connect to stable Wi-Fi (2.4 GHz or 5 GHz)|Check the fare balance (minutes should be available)-->

Pay special attention to the mobile operator, and in 2026, Wi-Fi Calling officially supports:

• 📡 MTS - all tariffs (except "Super MTS for laptop")
• 📡 Beeline - tariffs with unlimited minutes
• 📡 MegaFon – only “Everything is possible” and corporate lines
• 📡 Tele2 - fares "My Tele2" and "My Talk"

⚠️ Note: If you use a virtual carrier (like Tinkoff Mobile or SberMobil), the feature may not work. These providers often don’t have their own VoWiFi infrastructure and rent networks from the Big Four".

Also check what's on the phone:

• 🔄 Flight mode is on? → Turn it off.
• 📶 Mobile data transmission is active? → Enable (even if you are not using)
• 🔒 Password set for SIM-map? → Remove it (may block activation)

Step-by-step: how to enable Wi-Fi Calling on Xiaomi

The activation process is the same for all supported models, but may vary slightly depending on the version of MIUI.

1. Step 1. Open Settings and go to the section SIM-maps and mobile networks
2. Step 2. Choose your own. SIM-card (if two of them)
3. Step 3. Slip on Wi-Fi Calling (or Wi-Fi Calls)
4. Step 4. Switch the switch to the position VL.
5. Step 5. Confirm activation by pressing OK in the pop-up window

After turning on the status bar (at the top of the screen), the Wi-Fi Calling or VoWiFi icon will appear.

• 🔄 Reboot the phone.
• 📶 Reconnect to Wi-Fi
• 📞 Try to make a test call (for example, to the number 112 - it is free)

On some models (for example, Redmi Note 10 Pro) after activation, additional adjustment is required:

##4636## → Test menu → Wi-Fi Calling → Enable

This code opens an engineering menu where you can force VoWiFi to be activated if the standard method doesn’t work.

💡

If calls fail after Wi-Fi Calling is enabled, check if the firewall or VPN is blocking them. Disable all network change applications (e.g. 1.1.1.1 or AdGuard).

Solving Common Problems with Wi-Fi Calling

Even after setting up correctly, Xiaomi users are faced with typical errors. Here's how to fix them:

If after activation of Wi-Fi Calling mobile Internet disappeared:

1. Open the Settings. → SIM-maps and mobile networks → Type of network
2. Choose 4G (recommended) or 3G
3. Reboot the phone.

⚠️ Note: Some Xiaomi firmware (especially) POCO global MIUI) VoWiFi may conflict with VoLTE. If normal calls stop working after activation, turn off Wi-Fi Calling and use only VoLTE.

For owners of Xiaomi with two SIM-cards:

• 📱 Wi-Fi Calling only works on the main SIM-card (slot 1)
• 🔄 If you need to switch, change it. SIM-maps in places or activate the function for the second line manually through the engineering menu

How to turn off Wi-Fi Calling on Xiaomi

If a feature interferes (e.g., drains the battery or conflicts with other services), it can be deactivated by:

1. Go to Settings. → SIM-maps and mobile networks
2. Choose yours. SIM-map
3. Find the Wi-Fi Calling and move the switch to the off position.

After the shutdown:

• 📵 VoWiFi icon will disappear from status bar
• 📞 Calls will only be made via mobile network
• 🔋 Battery consumption will decrease by 5-10% (According to Xiaomi tests on Redmi K50 Ultra)

If the Wi-Fi Calling item becomes inactive (grey), it means that the operator has blocked the function for your number.

1. Call in support of the operator (for example *111# for MTS).


2. Say, "Activate VoWiFi for my number."




3. Reboot the phone.

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If you travel frequently, leave Wi-Fi Calling on, but turn off automatic public network connectivity to protect against unauthorized calls through unreliable hotspots.

Comparison of Wi-Fi Calling and VoLTE on Xiaomi

Both technologies improve call quality, but they work differently.

On Xiaomi smartphones, both features can be used simultaneously.

• 📶 In the good zone 4G-The coverage will work VoLTE
• 📡 When the signal is weak, the phone will automatically switch to VoWiFi.

To check which technology is active during the call:

1. Make an outgoing challenge
2. Look at the icon in the status bar: HD or VoLTE → using a mobile Wi-Fi or VoWiFi network → the call goes through the Internet

FAQ: Frequent questions about Wi-Fi Calling on Xiaomi