Wi-Fi Calling from MegaFon Allows you to make and receive calls even where cell phone service is weak or unavailable—in the subway, basements, country houses, or densely populated areas with overloaded cell phone towers. The technology uses your internet connection to transmit your voice while preserving your phone number. MegaFon Caller ID. But how do you enable it correctly to avoid errors?
In this article you will find Current instructions for iOS and Android, a list of supported devices, and solutions to common issues—from a missing option in settings to the "Wi-Fi Calling could not be activated" error. We'll also discuss how to check if the service is working on your plan and what to do if your carrier is blocking the feature.
Spoiler: on some Android smartphones (especially budget ones) the option may be hidden in the engineering menu, and for owners iPhone You'll need to update your firmware to the latest version. But first things first.
What is Wi-Fi Calling and why is it needed?
Wi-Fi Calling (or VoWiFi) is a technology that allows call via the Internet, using Wi-Fi networks instead of traditional cell towers. The main advantage: a stable signal in places where mobile service is unavailable or intermittent. For example:
- 🏢 In office buildings with thick walls, where the 4G/5G signal "doesn't penetrate".
- 🚇 In the metro (if the station is equipped with Wi-Fi).
- 🏡 In country houses or villages where MegaFon coverage is weak.
- 🌍 Abroad (if Wi-Fi Calling roaming is enabled).
At the same time Calls via Wi-Fi Calling are charged as usual — according to the rules of your tariff plan MegaFonThis means that if you have unlimited calls, they will remain free. However, you won't have to pay for internet traffic (which is used for voice transmission)—it's not included in your data plan.
Important: Wi-Fi Calling is working only with a MegaFon SIM card, activated on the operator's network. If you use a virtual SIM (eSIM) or a card from another operator in a dual-SIM phone, this feature may not be available.
Requirements for connecting Wi-Fi Calling on MegaFon
Before setting up the feature, make sure your device and plan meet the requirements:
| Criterion | Requirements |
|---|---|
| Operator | Only Megaphone (SIM or eSIM). |
| Tariff plan | Any current tariff (except corporate and some outdated ones). |
| Device | iPhone 6s and newer, most Android-smartphones (see list below). |
| OS version | iOS 12+ or Android 9+ (some models require Android 10+). |
| Wi-Fi network | Any stable network (home, office, public). |
If your smartphone is not included in official list of supported devices, this does not mean that Wi-Fi Calling will not work. Some models (for example, Xiaomi or Realme) require manual activation through the engineering menu. We'll cover this in the section about alternative ways to turn on.
⚠️ Attention: On corporate tariffs MegaFon Wi-Fi Calling may be disabled by default. Please check with your corporate line administrator to ensure it's enabled.
List of supported devices (2026)
MegaFon officially supports Wi-Fi Calling on the following devices:
Apple iPhone
- 📱 iPhone 6s / 6s Plus and newer (including iPhone 15 Pro Max).
- 🆔 Requires iOS 12 or later.
Android smartphones
- 🤖 Samsung Galaxy S8 / Note 8 and newer (including Galaxy S23 Ultra).
- 📱 Google Pixel 3 and newer.
- 🔥 Xiaomi Mi 9 / Redmi Note 8 Pro and newer (some models require manual setup).
- ⚡ Huawei P30 / Mate 20 and newer (without Google services).
- 🍎 OnePlus 6 and newer.
- 🤖 Realme 6 Pro / Oppo Reno 4 and newer.
If your model is not on the list, it does not mean that Wi-Fi Calling will not work. For example, on POCO X3 or Samsung Galaxy A51 The feature may be hidden in the developer settings. More details are available in the section Manual activation on unofficial devices.
⚠️ Attention: On smartphones with custom firmware (for example, LineageOSWi-Fi Calling may be unstable or not work at all. This is due to the lack of carrier certificates in alternative Android builds.
How to enable Wi-Fi Calling on iPhone (MegaFon)
On iPhone Setup takes less than a minute. Follow the instructions:
- Open
Settings → Phone. - Select an item
Wi-Fi Calling(on some versions of iOS it may be calledWi-Fi calling). - Activate the switch
Wi-Fi Calling on this iPhone. - In the window that appears, click
Turn on.
After activation, the following message will appear in the status bar (next to the network indicator): MegaFon Wi-FiThis means that the function is ready for use.
Go to "Settings → Phone → Wi-Fi Calling" | Make sure the switch is active | Call another number (the status bar should show "MegaFon Wi-Fi") | Check the connection quality (there should be clear sound without interference) -->
If option Wi-Fi Calling is missing from the settings, please follow these steps:
- Update iOS to the latest version (
Settings → General → Software Update). - Restart your iPhone.
- Make sure the SIM card MegaFon activated (try calling without Wi-Fi).
- Reset network settings:
Settings → General → Transfer or reset iPhone → Reset → Reset Network Settings.
How to enable Wi-Fi Calling on Android (MegaFon)
On Android The setup process may vary depending on the smartphone manufacturer. Below are general instructions, as well as specific instructions for popular brands.
Universal method (most Android smartphones)
- Open
Settings → Connections → Mobile network(orSIM cards and mobile networks). - Select a SIM card MegaFon (if you have two SIM cards).
- Find the item
Wi-Fi CallingorWi-Fi callingand activate it. - Accept the operator's terms and conditions (if prompted).
Once enabled, an icon will appear in the notification bar. Wi-Fi Calling or VoWiFi.
Features for different brands
- 📱 Samsung:
Settings → Connections → Mobile networks → Wi-Fi CallingSome models require loading the operator configuration (Settings → Device Maintenance → Additional Settings → Configuration Update). - 🤖 Xiaomi/Redmi/POCO:
Settings → SIM cards & mobile networks → [Select SIM] → Wi-Fi CallingIf the option is not available, try updating MIUI to the latest version. - ⚡ Huawei/Honor:
Settings → Wireless & Networks → Mobile Networks → Wi-Fi CallingOn devices without Google services (for example, Huawei P40) manual APN configuration may be required.
If calls do not go through after activation, check:
- Are you connected to Wi-Fi (not mobile data).
- Is the SIM card activated? MegaFon (try calling without Wi-Fi).
- Is your firewall or antivirus blocking VoIP traffic?
What should I do if Wi-Fi Calling disappears after a reboot?
On some Android smartphones (eg. Samsung Galaxy A52) the function may be disabled after a reboot. Solution:
1. Go to Settings → Apps → Three dots (menu) → Special access → Battery optimization.
2. Find the app Telephone (or Com.android.phone) and disable optimization for it.
3. Restart your device and check if Wi-Fi Calling works.
Manual activation on unofficially supported devices
If your smartphone is not included in official list, but supports VoLTE, you can try enabling Wi-Fi Calling manually. This method works on many Xiaomi, Realme and other budget devices.
Method 1: Via the engineering menu (for Android)
- Open the app
Telephoneand enter the code:##4636##(Some devices may require a code
##869434##or##86583##). - In the menu that opens, select
Phone information(orPhone Information). - Scroll down and find the item
Wi-Fi Calling ProvisionorIMS Service Status. - Activate the option
Wi-Fi Calling(if there is one). - Restart your smartphone.
Method 2: Via APN settings (for Huawei and some Xiaomi)
If the engineering menu doesn't help, try updating your APN settings:
- Go to
Settings → Mobile network → Access point names (APN). - Select APN MegaFon (usually
internetormegafon). - Add or change the following parameters:
APN type: default,supl,imsAPN protocol: IPv4/IPv6
Roaming Protocol APN: IPv4 - Save the settings and restart your phone.
⚠️ Attention: Changing APN settings can cause problems with mobile internet. If 4G stops working after making these changes, reset your APN settings to the default settings. MegaFon.
Method 3: Installing firmware with VoWiFi support
On some devices (eg. POCO X3 NFC) Wi-Fi Calling appears only after installation global firmware (For example, MIUI EU). However, this method requires unlocking the bootloader and may void your warranty. Use it only if other methods fail.
Common problems and their solutions
Even after proper setup, Wi-Fi Calling may still experience issues. Here are the most common problems and how to fix them:
| Problem | Cause | Solution |
|---|---|---|
| The "Wi-Fi Calling" option is missing from the settings. | Outdated firmware, unofficial Android build, carrier lock | Update your OS, check device support, contact MegaFon |
| Calls don't go through (error "Call failed") | Wi-Fi issues, firewall blocking, incorrect APN settings | Reconnect to Wi-Fi, disable VPN/antivirus, reset APN settings |
| The other person cannot hear you or hears you with interference. | Slow Wi-Fi speed, network congestion | Connect to another Wi-Fi network, reboot the router |
| Wi-Fi Calling works, but drains battery quickly. | Background activity of VoIP services | Disable "Always Connected" in Wi-Fi Calling settings. |
If none of the methods helped, please contact support. MegaFon by number 0500 (free) or through personal accountCheck if the service is blocked by your plan.
FAQ: Answers to frequently asked questions
Can I use Wi-Fi Calling abroad?
Yes, but only if you have roaming enabled and your plan supports international calls. In some countries (for example, Turkey or the UAE), Wi-Fi Calling may be blocked by local operators. Check with your carrier before traveling. MegaFon.
Will Wi-Fi Calling work with two SIM cards?
Depends on the device. iPhone With two SIM cards, Wi-Fi Calling only works on one (the one selected for voice calls in the settings). Android some smartphones (for example, Samsung Galaxy S23) support VoWiFi on both SIM cards, but only if both cards are MegaFon.
How much data does Wi-Fi Calling use?
Approximately 1 MB per minute for voice calls and up to 6-8 MB per minute for video calls (if supported). However, this traffic it is not debited from your internet package - it goes through a separate operator channel.
Is it possible to call numbers of other operators using Wi-Fi Calling?
Yes, calls to numbers MTS, Beeline, Tele2 Calls to and from other operators are available without restrictions. Rates will be the same as for a standard cellular call.
Why isn't Wi-Fi Calling working on my Xiaomi?
On many devices Xiaomi (Especially on budget models) the function is hidden. Try it:
- Update MIUI to the latest version.
- Enter the code in the Phone app
##869434##and activate VoWiFi manually. - Install global firmware (for example, MIUI EU).
If nothing helps, wait for an official update from the manufacturer.