Many modern smartphone users, when connecting to their home network, notice a new, unfamiliar icon appearing in the top status bar of the screen. Typically, it's a telephone handset with a Wi-Fi symbol or the text VoWiFi, which may cause confusion or concern for those accustomed to seeing only the cellular network level. This indicator indicates that the device has automatically switched to voice over wireless technology, ignoring the carrier's base station signal.
Although this feature is designed to improve connection quality in areas with poor cellular coverage, it's not always helpful and can even lead to unnecessary data usage. If you want to force your phone to use only cell towers or simply want to remove visual noise from the screen, you'll need to adjust the settings in the corresponding menu. Below, we'll explain how. disable Wi-Fi Calling on different device models and why this icon appears at all.
It's important to understand that the deactivation process may vary slightly depending on your device's manufacturer and operating system version. In some cases, your carrier may block the ability to change these settings, forcing you to use their service. We'll cover universal methods that will help you restore the default status bar appearance and control which communication channel is used for calls.
What does the VoWiFi icon mean and what is it for?
Abbreviation VoWiFi Voice over Wi-Fi stands for Voice over Wi-Fi. This technology allows you to make voice calls and send SMS messages using an internet connection instead of traditional cellular radio channels. When you see the corresponding icon, it means your smartphone is currently routing voice traffic through your local wireless network.
The main purpose of this technology is to ensure stable connectivity in areas where cellular signal is weak or absent, such as basements, thick-walled buildings, or homes located far from towers. However, if you have a strong 4G or 5G signal, using Wi-Fi for calls may be unnecessary. Furthermore, if your data plan doesn't include unlimited data, such calls will eat into your data plan, even though most carriers don't currently charge for them separately.
⚠️ Attention: In some regions and with some carriers, VoWiFi calls may be charged as international calls while you're abroad, even when connected to a local Wi-Fi network. Always check roaming terms with your service provider before traveling.
Users often confuse this feature with popular messengers such as WhatsApp or Telegram, but technically they are different things. VoWiFi It's integrated directly into your phone's default dialer and uses your regular phone number, while messaging apps operate through their own servers and require the other person to install a separate app. The icon appears automatically if the service is activated by your carrier and enabled in your smartphone settings.
How to Disable Wi-Fi Calling on Android (Samsung, Xiaomi, Honor)
The process of disabling the feature on devices running Android This may vary depending on the manufacturer's shell. In most cases, the required switch is located in the mobile networks settings menu. If you can't find it right away, search for "Wi-Fi Calling" in the settings.
On smartphones Samsung The path usually looks like this: you need to open Settings, go to the "Connections" section, then select "Mobile Network." This is where the required toggle switch is located. On devices Xiaomi And Honor The logic is similar, but the options may have different names, for example, "Use Wi-Fi for calls." After you turn the slider off, the icon should disappear within a few seconds.
☑️ VoWiFi Disabling Checklist
In some cases, especially on custom firmware or older models, the default path may be hidden. In this case, you can try entering a special code in the dialer that opens the engineering menu, but this requires caution. For regular users, it's safer to stick with the default interface settings. If the icon remains after powering off, try restarting the device or switching to airplane mode.
Removing the icon on iPhone (iOS)
Smartphone owners Apple You may also encounter this feature, which is called "Wi-Fi Calling" on iOS. To remove the icon, you need to go to the device's main settings. The path to this setting is standardized for all models, starting with the iPhone 5s, that support this technology.
Follow the instructions: open Settings, scroll down to the item TelephoneIn the menu that opens, find the line "Wi-Fi Calling" and tap it. You will be asked to confirm disabling the feature, as the system will warn you that calls will be made over the cellular network, which may affect connection quality in areas with poor reception.
| iPhone model | Menu location | Function name |
|---|---|---|
| iPhone 11-15 | Settings -> Phone | Wi-Fi calling |
| iPhone 7-10 | Settings -> Phone | Wi-Fi Calling |
| iPhone SE (all) | Settings -> Phone | Wi-Fi calling |
| iPhone 5s/6 | Settings -> Phone | Not supported* |
After confirming the action, the "Wi-Fi" icon next to the carrier's name in the status bar should disappear. If this doesn't happen, check to see if the "On Other Devices" feature is enabled, which allows you to receive calls on your iPad or Mac. Sometimes disabling this feature also helps remove the indicator from your primary phone.
Why does the function turn on by itself?
Telecom operators often force VoWiFi to be enabled when updating their network profile. This happens automatically when replacing a SIM card or after resetting network settings. To prevent it from being enabled again, some users block the update of operator settings in the About Phone menu.
Hidden codes and engineering menus for advanced users
If the default settings are unavailable or blocked by your carrier, you can try using Android's hidden engineering menu. This method is only suitable for experienced users, as incorrectly changing the settings can lead to unstable operation of the communication module. A code is often used to access the menu. ##4636##, which works on many devices with pure Android.
In the menu that opens, select "Phone Information." Scroll down to the "Set preferred network type" or "Mobile Network Type" section. Here you'll find options related to the IMS (IP Multimedia Subsystem), which are responsible for VoWiFi functionality. However, this method isn't universal and depends on the specific processor model and firmware version.
A safer, but not always effective, method is to use your operator's USSD commands. Different providers have their own codes for managing services. For example, with some providers, disabling the service occurs through your account or app, rather than through your phone's settings. In this case, even if you turn off the switch on your phone, your operator may re-enable your device to use Wi-Fi Calling the next time you connect.
The Impact of VoWiFi on Call Quality and Battery Life
There is a common misconception that permanent work through VoWiFi Drains the battery significantly faster. In fact, with a strong Wi-Fi signal, power consumption may even be lower than when searching for a cellular network in a "dead zone." However, if the router is far away, the phone will spend more resources maintaining a stable connection, leading to overheating and battery drain.
The sound quality when using this technology directly depends on the speed and stability of your internet connection. If the channel is congested (for example, if someone is downloading large files or watching 4K video), the voice may be interrupted, echoing, or delayed. In such situations, it's best to switch to a cellular network and disable the Wi-Fi calling icon to ensure clear communication.
⚠️ Attention: When using VoWiFi, emergency services (112, 911) may not be able to determine your location, as the call is routed via an IP address, not a geo-located cell tower. In emergency situations, always rely on the cellular network.
It's also worth noting the impact on mobile data. Although minutes are often free, data usage is still significant. A minute of HD Wi-Fi call can weigh in at around 1-2 MB. This isn't noticeable with unlimited plans, but with limited plans (such as those used in roaming or on corporate SIM cards), it can be an unpleasant surprise at the end of the month.
Problems after shutdown and how to solve them
After removing the icon, you may encounter situations where calls stop working but the internet connection doesn't work. This often happens if the phone is stuck in network standby mode and can't quickly switch back to cellular. In this case, the most effective solution is to briefly enable Airplane mode for 10-15 seconds.
Another common issue is the inability to find the disable option in the menu. This is typical for phones purchased from certain carriers (locked versions). In such cases, the firmware may be hiding the settings. A possible solution is to reset the network settings to factory defaults, but keep in mind that this will also delete saved Wi-Fi passwords for other Bluetooth devices.
If nothing helps and the icon keeps appearing, the problem may be with the SIM card. Older cards may not process network commands correctly. A visit to a mobile phone store to replace the SIM card with a new one (one that supports 4G/VoLTE) often resolves the persistent icon and improves overall connection quality.
In conclusion, managing Wi-Fi calling is a matter of personal preference and your smartphone's operating conditions. Understanding how this technology works allows you to flexibly customize your device to your needs, balancing call quality, data savings, and ease of use.
Why does the icon appear even if I don't make a call?
The icon indicates network availability, not an active call. The phone registers with the operator's IMS network via Wi-Fi to ensure it can handle incoming calls without delay. This is a background process that doesn't consume much data while idle.
Is it possible to leave the feature enabled but hide the icon?
Using the built-in tools of Android and iOS, you can't hide just the icon while keeping the feature active. However, on some Android smartphones with root access or using special launchers, you can hide all system icons, but this requires advanced technical knowledge.
Do operators charge for VoWiFi?
In most cases, you'll be charged per minute on your primary plan, just like a regular call. However, if you're abroad, the rules may vary. Check with your carrier, as these terms are subject to change.
Does disabling VoWiFi affect internet speed?
No, disabling voice calls over Wi-Fi does not affect page or video loading speeds. These data streams are separated. However, if you have a very weak router, reducing the number of active connections could theoretically reduce the load on your phone's processor.