Wi-Fi Calling is a very handy feature that allows Samsung Galaxy S21 users to make and receive calls over a wireless connection when their network signal isn’t working properly. For example, if you live on the side of a mountain where there’s absolutely no cell service, Wi-Fi Calling can save the say.
Unfortunately, many users complained they’re unable to activate Wi-Fi Calling on their Samsung Galaxy S21 devices. Let’s explore what might be causing this issue and how you can fix it.
How to Fix Wi-Fi Calling Not Working on Samsung Galaxy S21
Check if the Feature Is Available
It is worth mentioning right from the beginning that Wi-Fi Calling may not be available on all networks. Your device may sport the feature but if your network provider does not support it, you won’t be able to activate it. Contact your network provider for more information.
Additionally, your phone needs a strong network connection for this feature to work properly. If your Wi-Fi connection is unstable and you’re experiencing bandwidth issues, Wi-Fi Calling will only work intermittently.
Use a New SIM and Enable Default Apps
A number of users managed to solve this issue by getting a new SIM. If you’re using your SIM from your old phone, have it replaced and check the results.
Additionally, make sure to restart your phone, clear the cache and enable HD Voice and Video Calling in your terminal’s settings. By the way, try to enable all the default apps your carrier installed on your phone and check if this helps. Maybe this workaround does the trick for you.
Get the VoWiFi App
Open the Google Play Store and search for the VoWiFi app. It’s developed by Cast4TV.
- Install the app, launch it and follow on-screen instructions.
- Then turn on Wi-Fi Calling from the VoWiFi app.
- Next, enable Wi-Fi Calling on your Samsung Galaxy S21 phone.
- Enter the emergency location info and check if you can use Wi-Fi Calling.
When you’re done, you can delete the app. But if the problem returns, you can reinstall the VoWiFi app. Check what works for you.
Other users went straight to the search bar, typed wifi, and VoWiFi quickly popped on the screen. They enabled Wi-Fi Calling and that fixed the problem. Maybe the app is already installed on your device.
Verizon Created a Master Ticket for the Issue
The huge number of complaints about the same problem pushed Verizon to create a master ticket for this problem. In case you decide to contact Verizon Support, the master ticket number is 150171-021921.
There appear to be several Samsung phones that are having this issue. not just the s21. I have seen it with the s20 and the A71. There is a master ticket created for the issue. hopefully, they will resolve it soon.
Most likely, other carriers are actively investigating the problem as well. Hopefully, they’ll be able to deploy a permanent fix in the near future.
Conclusion
Many Samsung phone models, including the Galaxy S21, are plagued by Wi-Fi Calling issues. The feature is not available or fails to work properly. The good news is that many users managed to work their way around the problem by installing the VoWiFi app. Did this method work for you as well? Let us know in the comments below.
Michael W Rork says
Installing the VoWiFi app solved my problem of not being able to activate wifi calling. Thank you. Why dosen’t Verizon Tech Coach people offer this suggestion. Been trying to resolve this issue for 3 days. Verizon even sent me a new phone which had the same issue. I’m wondering if that’s because I used sim card from old phone?
Tim says
VoWifi works on my S21 5G (with AT&T). However, I must now use it as a default, as I cannot recover normal Wifi Calling after trying to enable it without the app.
George Zerenia says
S20FE on the AT&T network. This solution worked like a charm! Thank you very much!
Dario says
Does this work on. S 21 ultra also for the past week no one seems to hear me when I talk even in my office where it was working fine before help any other coll tricks w s 21 ultra can you make it a remote controll for TV I heard??? Thanks new guy around here
Sue J says
It’s not the phone because we, a family of 4, have both Androids and an iPhone. We had no connection issues at t-mobile until we switched to Verizon. We’re going back to t-mobile as soon as the 2 free phones we got for switching is almost paid off.
JJ says
Sadly, the option for WiFi calling disappeared from my S21 – not sure what happened. I tried all the things I had done before (listed below) and can’t seem to get the option to come back. Frustrating!
JJ says
I got WiFi calling working on my Samsung Galaxy S21.
I’m still not 100% sure how I did it, but here’s what I did.
First, Verizon had to fix my account (Wifi calling wasn’t enabled for my account on their network) but even after they corrected this, the actual switch for Wifi calling still wasn’t appearing on my Samsung S21.
I tried many things, such as clearing the phone cache, performing a network reset, and VZW even sent me a new 5G SIM card, but none of those seemed to help.
What I THINK helped was that I downloaded “Carrier Services” (saw that recommendation on a Samsung message board) and then I enabled all the permissions (not sure if that’s necessary but I did so anyway). But then there was still no option to enable Wifi calling.
Then the next day, I tried swapping SIM cards with a work cell phone (a Verizon iPhone 8); that line definitely has Wifi calling enabled, I’ve been using it for the past year on that phone. BUT the Samsung S21 still didn’t give me the option to turn on Wifi calling using that work SIM.
So then, after I put back my own personal Verizon SIM, somehow, the Wifi calling option appeared in the Android settings! So I switched it on. The Wifi calling option also appeared in the “Phone” app, which I also turned on.
I’m not sure if this matters, but the VZW SIM from my work cell is the previous type, which doesn’t say “5G” on it.
Hope this helps someone. You might not even need to insert an old VZW SIM card, maybe just installing Carrier Services and enabling all the permissions, followed by removing and reinserting your 5G SIM card will work??
Julie says
It didn’t help unfortunately.
I contacted the service provider but they just got me to go through a list of checks.
None worked.
No signal and no wifi calling.
emiranda says
i accidentally turn off wifi calling and then tried all day to fix. This app worked great. Thank you.
Eric says
Got S21 a week ago, WiFi calling still not working with Verizon.
Aaron Easthom says
Vowing is not working for me either. Says either the phone or network doesn’t support it. S21
barry says
I had this problem with both a Samsung Galaxy S21 and a Pixel 2XL. The problem was the new network was 5 Gigahertz and the phones are only set for 2.4GHz
Charlie says
Same here
“Laurent says
April 9, 2021 at 12:30 pm
Unfortunately, VoWifi doesn’t work on my S21 either… Is there an app to replace it? Thanks.”
Laurent says
Unfortunately, VoWifi doesn’t work on my S21 either… Is there an app to replace it? Thanks.