Owners of modern Samsung Galaxy smartphones often encounter an unusual icon in the status bar that looks like a telephone receiver pierced by a Wi-Fi signal. This symbol can be confusing, especially if the user hasn't changed the connection settings themselves. In reality, it's a technology indicator. Voice over Wi-Fi, known as VoWiFi or Wi-Fi Calling. This feature allows you to make voice calls and send SMS messages over a wireless network rather than a standard cell tower.
The appearance of this icon means that your Samsung Currently uses the internet connection for voice transmission. This is especially useful in areas with poor cellular coverage but good Wi-Fi, such as basements, offices with thick walls, or country houses. However, some users are confused by the icon itself, as well as potential issues with data rates or call quality when roaming.
In this article, we'll take a detailed look at the meaning of the Wi-Fi handset icon, why it's lit up right now, and how to disable it if you don't need this feature. We'll cover the settings for different versions of One UI, check carrier support status, and answer frequently asked questions.
⚠️ Attention: The settings interface may vary slightly depending on your smartphone model (Galaxy S23, A54, Note 20, etc.) and Android OS version. Menu item names may vary, but the logic remains the same.
What does the Wi-Fi handset icon on the screen mean?
A symbol representing a telephone handset with diverging Wi-Fi arcs indicates that the mode is active VoWiFi (Voice over Wi-Fi)This is a technology designed to improve voice communication quality in areas where cellular signal is weak or absent, but a stable wireless internet connection is available. When you see this icon, your phone is rerouting voice traffic over the internet protocol, bypassing standard GSM/LTE channels.
Usage Wi-Fi Calling Provides clearer sound and fewer connection drops in cellular dead zones. Furthermore, in many cases, Wi-Fi calls are charged at your standard plan rates, even when you're abroad (although it's important to check with your specific carrier for details). This feature requires support from your mobile carrier and the availability of the appropriate service in your plan.
It's important to understand the difference between VoWiFi and popular messaging apps. Unlike WhatsApp, Telegram, or Viber, VoWiFi calls are made through the standard messaging app interface and use your regular phone number. The other person won't notice the difference; they'll receive a regular incoming call, not an app notification.
Advantages and disadvantages of VoWiFi technology
Like any technology, wireless voice has its strengths and weaknesses. Understanding these nuances will help you decide whether to keep the feature enabled or disable it. The main advantage lies in coverage: in areas where the phone receives "1 bar" or displays "No Service," but the router is working, the connection will remain stable.
- 📶 Improved coverage: the ability to make calls from basements, elevators, and remote areas where cell phone coverage is unavailable.
- 🔋 Battery Saving: In areas with weak signal, the phone does not waste energy on constantly searching for a cell phone tower, using stable Wi-Fi.
- 💰 Savings in roaming: In many countries, incoming and outgoing calls via Wi-Fi Calling are charged as local calls or at home network rates.
- 🎙️ HD quality: Often the sound is transmitted in higher resolution than when using older 2G/3G standards.
However, there are some drawbacks, which is why users often search for a way to disable the Wi-Fi handset icon on Samsung devices. The main drawback is its dependence on internet quality. If your router is overloaded or your ISP is experiencing issues, connection quality will drop sharply, delays (echo) will occur, or calls will be dropped. Furthermore, not all carriers offer this feature for free or even support it on their networks.
Another aspect is security and routing. When connecting to open public Wi-Fi networks in cafes or airports, there is a theoretical risk of data interception, although modern encryption protocols Samsung Keep them to a minimum. It's also worth considering that switching between Wi-Fi and a mobile network during a call may cause a brief interruption unless eSRVCC technology is configured.
How to disable the Wi-Fi calling icon on Samsung
If you decide you don't need the technology, or the icon is simply annoying, you can easily remove it through your smartphone's default settings. The deactivation process on devices Samsung Galaxy Using One UI is quite simple and doesn't require root access or third-party software. Just follow a few simple steps in the settings menu.
To begin, unlock the screen and go to the main app menu. Find the "Settings" icon (the gear). In the list of options that opens, look for the section related to connections. On most modern models, it's called Connections or ConnectionsThis is where all communication modules are managed: Bluetooth, NFC, Mobile networks.
Settings → Connections → Mobile networks → Wi-Fi callingInside the "Mobile networks" section you need to find the item Wi-Fi calling (or Wi-Fi Calling). Toggle the switch to the "Off" position. Once you do this, the Wi-Fi handset icon with the waves will disappear from the status bar, and the phone will switch to using the cellular network for voice calls. If the icon doesn't disappear immediately, try restarting the device.
☑️ VoWiFi Disabling Algorithm
Setting up the feature via the Phone app
In some firmware versions One UI On certain model years, the settings path may be slightly different. Sometimes it's more convenient to control the function directly from the dialer interface. This is useful if you don't want to navigate through deep system settings menus.
Open the default Phone app (green phone). Tap the three dots in the upper right corner of the screen to open the context menu. Select SettingsIn the list of options, find the line Wi-Fi callingHere you can not only disable the feature, but also adjust the network priority.
- 📱 Mobile network preferred: The phone will use cellular data even if Wi-Fi is available, switching to Wi-Fi only when there is no signal at all.
- 📶 Wi-Fi network preferred: Priority is given to wireless Internet to save traffic or improve quality in areas of poor reception.
- ⚖️ Do not change: The network that was active when the call was started is used.
Once you change settings through the Phone app, the changes take effect immediately. Please note that on some models the menu may be called Additional settings inside the call menu. If you can't find the item you need, search your smartphone settings for "Wi-Fi" or "VoWiFi."
What should I do if the option is not available in the settings?
If you don't see the "Wi-Fi Calling" option in your settings, it may mean your carrier doesn't support this feature or it's blocked at the firmware level. Try updating your phone's software or contacting your carrier's support team.
Comparison of communication modes
To better understand the processes occurring on your smartphone, it's helpful to understand the differences between the different call types. Below is a table comparing standard calls, VoWiFi, and messaging calls.
| Parameter | Regular call (GSM/LTE) | VoWiFi (Wi-Fi handset) | Messengers (WhatsApp, Viber) |
|---|---|---|---|
| Transmission channel | Cellular tower of the operator | Internet (Wi-Fi router) | Internet (mobile/Wi-Fi) |
| Tariffs | According to operator tariffs | Usually like a regular call* | Consumes traffic (free) |
| Subscriber number | Your phone number | Your phone number | Account in the application |
| Addiction | Cellular network coverage | Wi-Fi quality + operator support | Both have internet access |
As can be seen from the table, VoWiFi is a hybrid solution that combines the convenience of telephony with the capabilities of the internet. Asterisk (*) notes an important nuance: although the technology uses the internet, operators often bill these minutes as regular voice minutes, rather than as internet traffic, but this depends on the terms of the contract.
⚠️ Attention: VoWiFi usage conditions may vary when roaming internationally. Make sure you have roaming enabled, even if you plan to make calls over Wi-Fi, as your phone must register with your carrier's network to authorize the service.
Possible problems and their solutions
Despite the simplicity of the technology, users may encounter a number of issues. For example, the Wi-Fi handset icon on a Samsung phone may be lit, but calls won't connect. This often indicates issues with the router or firewall settings that block the ports required for SIP voice protocols.
Another common issue is the icon appearing and then disappearing. This happens when the Wi-Fi signal strength drops below the threshold and the phone attempts to switch to the mobile network. If there's no mobile network, the call may be dropped. In such cases, it's recommended to check the stability of the wireless connection or move closer to the router.
It's also worth mentioning the "double registration" issue. Sometimes a phone may try to register with a VoWiFi network endlessly if the operator is temporarily performing maintenance. In this case, rebooting the smartphone in airplane mode for 10-15 seconds helps. If the problem persists for a long time, it might be worth resetting the network settings.
To reset network settings, go to Settings → General Settings → Reset → Reset Network SettingsPlease note that this action will delete saved Wi-Fi passwords and Bluetooth settings, but will not affect your personal data (photos, contacts).
Frequently Asked Questions (FAQ)
Do carriers charge extra for the Wi-Fi handset icon?
VoWiFi technology itself is usually free. Call minutes are charged according to your base plan, just like regular voice calls. However, internet traffic is not included, as it goes through your carrier's network. Always check with your service provider for details.
Does VoWiFi work if airplane mode is enabled on my phone?
Yes, it does. If you enable Airplane Mode and then manually enable Wi-Fi, Wi-Fi Calling will continue to work. This is ideal for using your phone on a plane (if the airline allows Wi-Fi) or for saving battery in areas without cellular coverage.
Why does the icon only appear sometimes?
The icon only appears when the phone is connected to a Wi-Fi network that has been verified for voice calling and the carrier has confirmed its registration. If you move away from the router or the Wi-Fi connection becomes unstable, the icon will disappear, and the phone will switch to LTE/3G.
Is it possible to use VoWiFi on two SIM cards at the same time?
On most smartphones Samsung With dual SIM cards, VoWiFi can be activated for both SIM cards, but they will be active alternately or depending on which card is selected for voice calls by default. Implementation details depend on the specific model and One UI version.
Does disabling the icon affect internet speed?
No, disabling Wi-Fi Calling does not affect your internet speed. It simply prevents your phone from using the internet connection to route voice calls, forcing them to use the cellular network.