You glanced at your smartphone screen and noticed an unfamiliar icon: handset with Wi-Fi antennas in the top notification bar. It may be constantly lit or appear only during calls, and sometimes it can even be annoying—for example, if your phone starts making calls over the internet instead of the cellular network. What is this icon, why does it appear, and how can I remove it?
This icon indicates that the function is enabled. VoWiFi (Voice over Wi-Fi), or Wi-Fi callsThis technology allows voice calls to be made over the internet instead of a traditional cellular network. While it works automatically in most cases, it can sometimes lead to issues: the sound may disappear, calls may be dropped, or the phone may stop ringing altogether. Let's take a look at how it works and what to do if the icon is interfering.
⚠️ Attention: VoWiFi setup depends on your carrier and phone model. Some providers block this feature for certain plans or regions. Before changing settings, check your plan's terms in your personal account.
What does the Wi-Fi handset icon on my phone mean?
Icon Wi-Fi wave tubes (sometimes with the inscription VoWiFi, Wi-Fi Calling or HD Voice) means that your phone is connected to the function Wi-Fi callsThis technology allows:
- 📞 Make calls over the internet if the cellular network is weak or absent (for example, in a basement or outside the city).
- 🎧 Get clearer sound thanks to the codec HD Voice (if supported by the operator).
- 🔄 Automatically switch between Wi-Fi and cellular data during a call (if your phone supports it) eSIM or Wi-Fi Calling handover).
- 💰 Save money on roaming charges – some operators allow you to make Wi-Fi calls abroad at domestic rates.
The function is activated automatically on most modern smartphones (iPhone 6s and newer, Samsung Galaxy S8+, Xiaomi Redmi Note 10+ etc.), if:
- The phone supports VoWiFi (the list of models is available on the operator’s website).
- A SIM card from an operator that provides this service is inserted (for example, MTS, Beeline, Megaphone, Tele2 in Russia).
- Wi-Fi is turned on and the phone is connected to the network.
- Allowed in phone settings
Wi-Fi Calling.
⚠️ Attention: If the icon appears without your knowledge, it doesn't mean someone has connected to your Wi-Fi. The feature is activated automatically when you update your firmware or change your SIM card.
Why the VoWiFi icon appeared: 5 possible reasons
The Wi-Fi handset icon may suddenly light up. Let's look at the main causes:
| Cause | How does it manifest itself? | What to do |
|---|---|---|
| Automatic software update | The icon appeared after an Android/iOS update | Check your settings Wi-Fi Calling in the phone menu |
| Changing the SIM card | A new SIM card from the operator with VoWiFi support | Disable the feature manually if you don't need it. |
| Weak cellular network signal | The phone automatically switches to Wi-Fi for calls | Check coverage or turn off Prefer Wi-Fi for calls |
| Roaming | The icon is lit abroad | Check with your operator for VoWiFi roaming rates. |
| Settings error | The feature is enabled, but Wi-Fi is disabled. | Restart your phone or reset network settings |
On iPhone The function can be activated after updating to iOS 16+, even if it wasn't there before. Android (especially Samsung And Xiaomi) the icon sometimes appears after resetting the settings or installing custom firmware.
Important: If the icon flashes during a call, it means the call is being made over Wi-Fi, not a cellular network. In this case, the connection quality depends on your internet speed.
How to disable the Wi-Fi handset icon on Android
If the icon is annoying or Wi-Fi calling is unstable, you can disable it. Instructions for Android (may vary depending on the shell):
☑️ Disabling VoWiFi on Android
On phones Samsung the path may look like this:
Settings → Connections → Mobile networks → [Your SIM] → Wi-Fi callingOn Xiaomi/Redmi/POCO:
Settings → SIM cards & mobile networks → [Your SIM] → Wi-Fi CallingIf the point Wi-Fi Calling No:
- 🔍 Check if your phone supports VoWiFi (the list of models is available on the operator's website).
- 📱 Update your firmware to the latest version.
- 📞 Call your operator and check if the service is connected to your number.
⚠️ Attention: On some phones (Huawei, Honor) the function can be called VoLTE/VoWiFi and be located in the same menu. Disabling VoLTE may reduce connection quality on 4G networks.
How to disable VoWiFi on iPhone (iOS)
On iPhone Disabling Wi-Fi calling takes a few steps:
- Open
Settings→Cellular communications. - Select
Cellular data→Data parameters(orCellular networkon older versions of iOS). - Click
Wi-Fi Calling(may be calledWi-Fi calling). - Toggle the slider
Wi-Fi calling on this iPhonein position Off
If there is no item:
- 📵 Make sure yours iPhone updated to iOS 12 or newer.
- 📶 Check if your operator supports VoWiFi (on iPhone In Russia the function works MTS, Beeline, Megaphone).
- 🔄 Restart your phone and try again.
On iPhone With dual-SIM (two SIM cards) you will have to disable VoWiFi separately for each card.
What to do if VoWiFi won't turn off?
If the slider Wi-Fi Calling Inactive (gray), this means your carrier has blocked the feature for your plan. Contact support or change your plan.
VoWiFi Problems: When the Icon Gets in the Way
Wi-Fi calling is convenient, but it can sometimes be problematic. Common issues include:
- 📵 Calls don't get through — the subscriber hears beeps, but the call does not go through. Cause: blocked ports on the router or low internet speed.
- 🔇 No sound — the other person can't hear you or you can't hear them. Cause: failure in codec settings or conflict with VPN.
- 🔄 Automatic switching — the call starts over Wi-Fi and then ends. Cause: Unstable internet or firmware error.
- 📱 Fast battery drain — VoWiFi can increase power consumption if the phone is constantly scanning for networks.
If you experience problems after the icon appears, try:
- Disable
Wi-Fi Calling(instructions above). - Restart your phone and router.
- Check if it is blocking
VPNorFirewallvoice traffic. - Update your phone and router firmware.
⚠️ Attention: If SMS messages disappear after disabling VoWiFi, check your settings RCS (extended messages) in the menu MessagesSometimes these functions are related.
VoWiFi and roaming: how to avoid overpaying
One of the useful features of VoWiFi is the ability to make international calls at your local rates. However, there are some caveats:
- ✈️ Operator support. Not all Russian operators allow VoWiFi in roaming. For example, MTS And Megaphone They allow it, but may charge per minute.
- 🌍 Local restrictions. In some countries (for example, UAE, China) VoWiFi is blocked at the provider level.
- 📡 Connection quality. In hotels or public Wi-Fi networks, calls may be dropped due to speed limits.
Before the trip:
- Check with your carrier to see if Wi-Fi calling is allowed in your country of residence.
- Check your rates—sometimes VoWiFi roaming is charged as an international call.
- Set up
VPN, if voice traffic is blocked in the country (but this may violate local laws!).
⚠️ Attention: IN European Union Roaming rules allow you to use VoWiFi without additional charges, but only if your carrier supports this option. Contact support before traveling.
VoWiFi Alternatives: What to Use Instead of Wi-Fi Calling
If the Wi-Fi handset icon is annoying but you need a good connection, consider alternatives:
| Service | Pros | Cons |
|---|---|---|
| WhatsApp/Telegram | Free calls, work everywhere | The other person needs to also use the messenger. |
| Skype | Calls to regular numbers (chargeable) | Poor quality with weak internet |
| Google Voice | Free calls to the USA/Canada | Doesn't work in Russia without a VPN |
| Zoiper/Bria | SIP support (for business) | Complex setup |
If you need stable channel for calls, and VoWiFi works poorly:
- 📶 Use
VoLTE(4G calls) - better quality than 2G/3G. - 🔌 Connect to the network via cable (USB-ethernet adapter for the phone).
- 📡 Buy signal repeater, if the problem is poor coverage.
FAQ: Frequently asked questions about the VoWiFi icon
❓ Why is the VoWiFi icon lit, but Wi-Fi is disabled?
This may be a settings issue. Try:
- Turn Wi-Fi on and off.
- Restart your phone.
- Disable VoWiFi manually (instructions above).
If that doesn't help, reset the network settings in the menu. Settings → System → Reset → Reset Wi-Fi, mobile networks, and Bluetooth.
❓ Is it possible to make VoWiFi calls without a SIM card?
No, VoWiFi requires an active SIM card from a carrier that supports it. Without a SIM card, Wi-Fi calling is only possible through messaging apps (WhatsApp, Telegram, etc.).
❓ Why did incoming calls disappear after disabling VoWiFi?
Possible reasons:
- Call forwarding is enabled on your phone (check in
Settings → Calls → Call Forwarding). - The operator is blocking incoming calls on your tariff.
- SIM card failure (try restarting the phone or moving the SIM card to a different slot).
❓ Are VoWiFi and VoLTE the same thing?
No, these are different technologies:
- VoLTE — calls over 4G network (without switching to 2G/3G).
- VoWiFi - calls via Wi-Fi.
On some phones they are configured together, but work independently.
❓ How do I check if VoWiFi is working on my phone?
Make a test call and note:
- If the Wi-Fi handset icon is lit during a call, VoWiFi is active.
- If the inscription appears in the top panel
Wi-Fi Calling— the function works. - Ask the person you're talking to to rate the connection quality—the sound should be clearer with VoWiFi.