How to Disable Wi-Fi Calling on iPhone: 3 Proven Methods

Wi-Fi Calling (Wi-Fi Calling) on iPhone — a useful feature that allows you to make and receive calls even with a weak cellular signal. But sometimes it can create problems: sudden connection drops, conflicts with instant messaging apps, or unnecessary data consumption through your home router. If you notice that Calls automatically switch to Wi-Fi without your consent, or the operator imposes this option in the tariff - it can be disabled.

In this article we will look at, How to completely disable Wi-Fi Calling on any iPhone (from iPhone 6 to iPhone 15 Pro Max), what to do if the disable button is inactive, and how to check whether the function is actually disabled. We'll also explain in what cases disabling can lead to the loss of the ability to make calls in areas with poor mobile network coverage - this nuance is often overlooked.

What is Wi-Fi Calling and why should you disable it?

Wi-Fi Calling — a technology that allows voice calls and SMS to be transmitted over the internet instead of a cellular network. It is automatically activated when the carrier's signal is weak but the Wi-Fi connection is stable. This feature is supported by most modern devices. iPhone and operators (for example, MTS, Beeline, Megaphone, Tele2).

However, there are situations when it is better to disable it:

• 📶 Connection problems: Calls drop or audio interrupts when switching between Wi-Fi and 4G/5G.
• 💰 Hidden costs: Some operators charge Wi-Fi calls as international calls (for example, when roaming).
• 🔒 Privacy: Wi-Fi calls may pass through the operator's servers, which theoretically increases the risk of interception.
• 📱 Conflict with VoIP: interferes with work WhatsApp, Viber or Zoom, if they also use the Internet for calls.

Before disabling a feature, check if it's actually causing the problems. For example, if calls are being dropped only at home, and everything works outside - it's more likely the router's fault, not iPhoneIn this case, it is enough to reboot the router or change the Wi-Fi channel.

Method 1: Disabling in iPhone Settings

The easiest method is to deactivate the function directly in the phone menu. These instructions apply to all models. iPhone With iOS 9 and newer (including iOS 17).

1. Open the app Settings.
2. Go to the section Cellular communications (or Mobile communications on some firmware).
3. Select an item Wi-Fi Calling (may be called Wi-Fi calling).
4. Move the slider Wi-Fi Calling on this iPhone in position Off (gray).

If the slider is inactive (grayed out), it means:

• 🔄 Your operator does not support this feature (check with them).
• 📵 The SIM card is not activated or blocked.
• 🌐 You are in a country where Wi-Fi Calling is prohibited (for example, in some regions of China).

After disabling, reboot iPhonefor the changes to take effect. If the feature reactivates on its own, the problem may be with the firmware or operator settings (see Method 3).

Method 2: Disabling via SIM menu (USSD commands)

Some operators allow you to control Wi-Fi Calling through USSD commands — short codes that are sent as a request. This method is useful if the button is in the settings iPhone doesn't work.

Here are the commands for popular Russian operators:

To send a command:

1. Open the app Telephone.
2. Go to the tab Keyboard.
3. Enter the code for your operator and press the call button.
4. Wait for an SMS or notification about successful deactivation.

⚠️ AttentionUSSD commands may vary depending on your region or plan. If the code doesn't work, check the current command on your operator's website or contact customer support.

Method 3: Disabling through the operator's personal account

If none of the previous methods helped, the last option is to disable Wi-Fi Calling in personal account your operator. This is guaranteed to work even if iPhone The button is locked.

Instructions for popular operators:

• 🌐 MTS: Go to personal account → Services → Wi-Fi Calling → Disable.
• 🌐 Beeline: Go to my Beeline → Mobile communications → Additional services → Find Wi-Fi Calling.
• 🌐 Megaphone: IN MegaFon's personal account select Services → Internet and calls → Wi-Fi Calling.
• 🌐 Tele2: IN personal account go to Services → Wi-Fi calling.

If you don't have this option in your personal account, please contact the operator's support via chat or by phone:

• MTS: 0890 (free from mobile).
• Beeline: 0611.
• Megaphone: 0500.
• Tele2: 611.

⚠️ AttentionAfter disabling the service through your operator, changes may not take effect immediately, but may take between 1 and 24 hours. Wi-Fi Calling may continue to function during this period.

How to check if Wi-Fi Calling is really disabled

Even after disabling, the feature may remain active due to cache or synchronization errors. To ensure it's disabled:

1. Call another number and look at the top panel iPhone:
   • If the operator is displayed next to the operator Wi-Fi or Wi-Fi Calling — the function still works.
   • If there is only 4G, 5G or E — the call goes through the cellular network.

Turn on airplane mode, then turn on only Wi-Fi and try calling:

• If the call goes through, Wi-Fi Calling is active.
• If you see the error "Cellular network unavailable," the feature is disabled.
• Check the status via USSD command (see Method 2).

If after all these steps Wi-Fi Calling continues to work, there may be a problem with the firmware. iPhone. Refresh iOS to the latest version or reset network settings (Settings → General → Transfer or reset iPhone → Reset → Reset network settings).

What should I do if Wi-Fi Calling turns on again after resetting my settings?

This means the feature is tied to your SIM card at the carrier level. In this case, the only solution is to disable it again through your personal account or contact support (see Method 3).

Common problems and their solutions

When disabling Wi-Fi Calling, users encounter typical errors. Let's look at the most common ones:

Problem	Possible cause	Solution
The power button is inactive	The operator blocks changes to settings	Disable via your personal account or USSD command
Calls don't go through after disconnecting	Weak cellular network signal	Check your carrier's coverage or enable Wi-Fi Calling temporarily
The function turns on automatically	Automatic update of operator settings	Turn off automatic updates in Settings → General → Software Update
No sound when making a call over Wi-Fi	Conflict with VoIP applications	Close WhatsApp, Viber and reboot iPhone

If none of the solutions helped, please contact Apple service center — the problem may be in the communication module iPhone (for example, after a fall or exposure to moisture).

Wi-Fi Calling vs. VoLTE: Which Should You Disable?

In addition to Wi-Fi Calling, iPhone There is another technology for improving communication - VoLTE (voice over 4G). It works differently: it transmits calls over a high-speed cellular network instead of legacy 2G/3G. Disabling VoLTE is not recommended, as it will degrade call quality. However, Wi-Fi Calling can be disabled without consequences if:

• 📶 You have a stable 4G/5G signal.
• 💬 You do not call from places with poor coverage (basements, remote areas).
• 🌍 You are not traveling abroad (Wi-Fi Calling may be more profitable there than roaming).

To disable Wi-Fi Calling only, but leave VoLTE:

1. Go to Settings → Cellular → Data Options → Voice & Data.
2. Make sure the item is enabled VoLTE (or 4G).
3. Go back and turn it off Wi-Fi Calling (cm. Method 1).

FAQ: Answers to Frequently Asked Questions

Is it possible to disable Wi-Fi Calling for only a specific Wi-Fi?

No, the feature works globally: either for all networks or for none. However, you can disable automatic connections to unnecessary Wi-Fi networks in Settings → Wi-Fi (click on the "i" next to the network and select Delete this network).

Will internet traffic be consumed when making calls over Wi-Fi?

Yes, but it's not debited from your mobile plan, but from your home or office Wi-Fi traffic. The exception is if you're calling through public networks (cafes, airports), where speed limits may apply.

Why did Wi-Fi Calling turn on by itself after updating iOS?

Apple sometimes resets communication settings after major updates (for example, with iOS 16 on iOS 17). To avoid this, make a backup copy before updating. Settings → [Your name] → iCloud → iCloud Backup.

Can I use Wi-Fi Calling abroad?

Yes, but please check with your operator for pricing. For example, MTS And Megaphone These calls may be counted as international calls, even if you're connected to local Wi-Fi. Alternatively, buy a local SIM card.

How to disable Wi-Fi Calling on iPhone without a SIM card?

If in iPhone no SIM card, item Wi-Fi Calling The setting will disappear automatically. This feature only works when the SIM card is active.