Wi-Fi calling is disabled in iPhone 16 Pro after iOS 18.1 update

Apple iPhone 16 Pro.

Confirmed with carrier (Verizon) that Wifi calling is enabled on my account.


18.1 Deactivated it and cannot be turned back on.



[Re-Titled by Moderator]



iPhone 16 Pro, iOS 18

Posted on Oct 28, 2024 12:18 PM

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Question marked as Top-ranking reply

Posted on Nov 6, 2024 12:44 PM

I upgraded my Verizon iPhone 16 Pro to iOS 18.1 on November 5th. Phone worked fine for an hour or so but then WiFi calling was disabled and repeated tries to re-enable it including repeated phone re boots failed. I kept receiving the message to contact Verizon to enable WiFi calling on the device. Since I have no cell service at my home, and my iPhone is my primary phone, WiFi calling is a must.


After about 3 hours on the phone with both Verizon and Apple support, my issue was resolved. I called Verizon first and the off shore support person that I talked with was only reading a script, would not listen to the fact that everything worked fine a couple of hours before, stopped working with the upgrade to iOS 18.1, and wanted to point the finger at Apple.


I finally relented and let the Verizon support person contact Apple support for me. Once I was on the line with Apple support, Verizon support dropped off the call. Apple's support sounded like it was also off shore and that person didn't want to listen either and wanted to send me back to Verizon.


After getting really upset and insisting, I was transferred to a supervisor who spoke clear English and listened to my issue and asked some questions. That person then transferred me to Apple's second level support. Second level support did some research and said they were getting many calls on the issue and Apple had traced it back to Verizon not correctly provisioning the eSim in my iPhone 16 for the upgrade to iOS 18.1.


Apple second level support then called their Verizon second level support number directly and we were on hold for a very long time. During that hold time, I received a text from Verizon the the new sim card had been requested for device was being activated for my phone number, and I had to click on a link to validate the request. After making many attempts to validate the request - the Verizon interface to do this is terrible - I was successful. I then received a notification that the sim was installed. On my own initiative I decided to reboot my phone and was then able to re-enable WiFi calling.


Verizon second level support never picked up the call, so Apple second level support sent an email with a case number and a link back where I could get an almost immediate callback from Apple second level support if needed.


A big thumbs up to Apple for helping get the issue resolved - once I was able to get to second level support.


Many BIG thumbs down to Verizon for not properly handling an upgrade to iOS 18.1


As part of the process to get the new sim installed, I had to do a Reset Network Settings which unfortunately erases all your saved network passwords. So I spent a lot of time today reentering passwords as I logged onto networks that I use during the course of the day.



36 replies

Nov 14, 2024 6:31 PM in response to Alc80

Alc80 wrote:

Can’t be the provider if there so many people with different providers having the same issue that wasn’t an issue till now. I have 4 people in my family all using the same provider in the same house. I’m the only one that has gotten a new phone and mine has stopped working. Sounds like an apple problem to me.

Again, it is NOT an Apple problem. What you haven't said is what your provider did when you let them know you were having an issue with Wifi calling. You can sit and wait for an Apple solution, which will never come, because again Apple doesn't provide Wifi calling. They have never provided Wifi calling. Providers are the ones who provide Wifi calling.

Oct 29, 2024 7:57 AM in response to Dr. West

I have been getting the "Cannot activate WiFi calling" popup on my MacBook Air since March 2024. Before iOS 18. Maybe after OS 15 was released. I don't get that popup on my iMac or iPhone. And I don't have Verizon; my carrier is ATT. This morning I had to individually close at least 30 of these popups and that happened overnight while my laptop was closed. So none of the solutions I've found on line have worked. I've tried them all. I sure wish Apple would jump in here.

Oct 29, 2024 8:00 AM in response to Mzed2

Mzed2 wrote:

I have been getting the "Cannot activate WiFi calling" popup on my MacBook Air since March 2024. Before iOS 18. Maybe after OS 15 was released. I don't get that popup on my iMac or iPhone. And I don't have Verizon; my carrier is ATT. This morning I had to individually close at least 30 of these popups and that happened overnight while my laptop was closed. So none of the solutions I've found on line have worked. I've tried them all. I sure wish Apple would jump in here.

Apple doesn't participate in this user to user only forum. I'm on AT&T and have no issues with Wifi calling. But the feature is a carrier provided feature, not an Apple provided feature, so did you contact AT&T about your issue with their feature?

Oct 31, 2024 4:19 PM in response to LuscombeFlyer

After upgrading my 14 Pro Max to iOS 18.1, I cannot enable WiFi calling. When I try to enable the feature, I get a message telling me to contact my carrier (Verizon) to enable WiFi calling. Nothing with my Verizon account has changed and I have been using WiFi calling for years.


I contacted Verizon support, there is nothing on their end that preventing WiFi calling.

Nov 14, 2024 5:25 PM in response to lobsterghost1

Having the same issue and I’m in Canada. Got the I phone 15 two weeks ago, it made me get iOS 18 and now I can’t use wifi calling. I’m in a remote area and with no cell service at all!! I never had an issue till I went from a iPhone 11 to the 15 with the iOS 18.

so frustrating! Hope Apple fixes this cause it clearly can’t be the provider.

Nov 14, 2024 6:08 PM in response to Alc80

Can’t be the provider if there so many people with different providers having the same issue that wasn’t an issue till now. I have 4 people in my family all using the same provider in the same house. I’m the only one that has gotten a new phone and mine has stopped working. Sounds like an apple problem to me.

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Wi-Fi calling is disabled in iPhone 16 Pro after iOS 18.1 update

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