How to Fix Wi-Fi Calling Not Working on iOS 15

When you are in areas with poor mobile signals, making calls can get quite challenging. During these times, you will need Wi-Fi calling to save you. However, some users have reported that Wi-Fi calling is not working on iOS 15.

Wi-Fi calling is a feature that lets you make or receive calls and send text messages using a Wi-Fi network rather than your mobile network carrier. There are a lot of public Wi-Fis available now, and this feature is extremely helpful if you are on the go. 

So if you are encountering issues with Wi-Fi calling, we’ll take you through the step-by-step process on how to fix it. Don’t worry because these are very easy to follow and you can definitely do it by yourself!

Let’s begin!

Enable Wi-Fi Calling

First, you have to enable Wi-Fi Calling from your Settings app. Wi-Fi calling is turned off by default, so don’t expect it to immediately work the first time you try this feature.

To enable Wi-Fi calling, launch the “Settings” app on your iPhone and go to “Cellular”. 

Then, select “Wi-Fi Calling” under your cellular network provider and toggle on “Wi-Fi Calling on This iPhone”. 

wi-fi calling

As an added layer of protection, Apple will ask you to confirm this action. Select “Enable” if you agree. 

enabled wi-fi calling

Turn On and Off Your Airplane Mode

Turning on and turning back off your airplane mode refreshes your connection to your mobile network. Doing this may help fix the Wi-Fi Calling issue on iOS 15. 

There are two ways to enable Airplane Mode. First, by going to your Settings app. Find “Airplane Mode” on the top part of the menu and toggle it on. Wait for a few seconds, then toggle it back off.

The second is by doing it from the Control Center shortcut. If you are using an iPhone without a home button, you can access this by dragging the top-right part of your screen. Click the “Airplane Mode” button to activate Airplane Mode, then click it again to turn it off. 

airplane mode

If you own an iPhone with a home button, swipe up from the bottom edge of the screen to access the “Control Center”.

Turn Off Mobile Data and Connect to Your Wi-Fi Network

You have to turn off your mobile data so your phone will solely rely on available Wi-Fi networks when doing calls or sending text messages. 

Doing this is very easy. To turn off Mobile Data, just access the Control Center and disable the “Cellular Data” icon, or you can also go to Settings > Cellular, then toggle off “Cellular Data”.

To turn on your Wi-Fi network, go to Settings > Wi-Fi, and let your phone search for available Wi-Fi connections. Click the network you want to connect to, wait for confirmation that you’re connected, and you’re good to go. 

Update Your iOS

Regularly checking for an iOS update can eliminate several issues that users experienced from the last update. 

Since iOS 15 is still new, Apple is continuously making several improvements on this latest version of the operating system. As of this writing, iOS 15.3 is now available, and updates include security and bug fixes.

Here’s how you can update your iOS:

First, open the Settings app on your phone. Then go to General > Software Update.

If a software update is available, click “Download and Install”. 

update ios

You will be asked to enter your passcode before proceeding. Then, the iPhone will start downloading the update. This will take a while depending on the size of the update so make sure you have a stable internet connection, your battery is more than 50%, and you have enough space on your phone.

When the download is done, you have the option to install the update now or install it at a later time. 

If you choose “Install Now”, your iPhone will automatically shut down. Wait for the Apple logo to appear on the screen, and your iPhone will launch with the newly updated iOS. 

You also have the option to update your iPhone automatically. Just go to Settings > General > Automatic Updates. Then, toggle on “Download iOS Updates” and “Install iOS Updates”. 

Update Carrier Settings

Carrier Settings may be one of those iPhone settings that are often being neglected by its users because some are unaware of its function. What it actually does, is help boost your device’s ability to connect to your mobile service provider. 

Sometimes, an alert “Carrier Settings Update” pops up on your phone, and you either press “Not Now” or “Update”. If you missed this alert, you can check if a Carrier Settings update is available by doing the following steps:

First, open your “Settings” app, go to “General”, and select “About”. If an update is available, the pop-up alert “Carrier Settings Update” will appear on your screen. Then, you have to press “Update”.

If nothing appears even after 30 seconds, it means that your Carrier Settings are up-to-date. 

Reset Network Settings

If all else fails, you can try resetting your network settings. This helps eliminate the bugs if you’re experiencing network problems such as Wi-Fi Calling not working. Don’t worry because this will not delete important files on your iPhone, except network and internet-involved data.

To reset your network settings, go to Settings > General > Transfer or Reset iPhone > Reset > Reset Network Settings.

reset network settings

You will be asked for the passcode of your device to proceed. Then, select “Reset Network Settings” again to confirm. Your iPhone will shut down automatically. 


The new iOS 15 continuously fixes bugs, and the issue with Wi-Fi Calling is one of the things they are trying to fix. But with a few DIY troubleshooting, you can definitely get this feature working for you again. 

So the next time you need to take a call, but your mobile signal is weak, try using the Wi-Fi Calling feature. 

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