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Original topic:

Wi-Fi Calling stopped working after February update

(Topic created on: 01-03-2021 11:59 PM)
Lestatou
Apprentice
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Galaxy S20 Series

My phone s20 galaxy did an update on February 25th and since then my wifi calling doesn't work. It's activated all looking good just my phone refuses to make wifi calls. I restarted it removed tge Sim, deactivated wifi calling reactivated ir, called my provider Tmobile USA everything works well on their side. I did a reset on the networks but problem still persists. My apartment has terrible signal and I have been relying on wifi calling. Since the 25th Feb 2021 all my calls going straight to voice-mail while I'm in the apartment. 

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8 REPLIES 8
papashaun
Helping Hand
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Galaxy S20 Series
Hi - there are quite a few posts on here about this with various suggestions If you do a search on the forum for WiFi Calling you should find a few of them
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Lestatou
Apprentice
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Galaxy S20 Series

Thanks  for the info, I tried restarting the phone, removing the Sim, empty cache, reset network settings, updated my e911 address, spent 1h on the phone with Tmobile and everything is good on their side and pretty much everything else that the forums here suggested. Last wifi calling call I did was Feb 24th and Feb 25th phone was automatically updated and since then despite wifi calling being ON it doesn't work. I would like to reverse the latest update but I don't know how is that possible. 

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Rich99
First Poster
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Galaxy S20 Series

I posted this on an older thread having sorted it yesterday, so may be of use?... I have placed a few bits extra [xxx] to give a bit more detail as I refer to the other thread which you may not have seen.

 

... the issue seems to be a combination of the phone gamely hanging onto any old signal on the mobile network even if not good enough to make a reliable call and some sort of incompatibility of VoLTE calling [part of 4G] and WiFi calling.

My Answer: I have installed the Samsung Band Selection app [from Google Play Store] to allow me to set WiFi calling as preferred [over the mobile network], but this didn't answer the issue as when there's even a whiff of 4G (and so VoLTE), this means WiFi calling won't come in (unless you reboot the phone every time you go to a poor signal). As this only really bugs me at home I have also set up a Bixby routine [search in Settings] to drop to 2G/3G only when connected to my home WiFi, so removing the 4G /[and so the] VoLTE incompatibility. Seems to work so far...

When at work with a solid 4G in-building and WiFi, ironically the poor implementation of WiFi calling helps out as it will still use 4G / VoLTE calling which would be preferred for reliability when the signal is decent. This answers the main 2 places I visit. If any more places came up on a regular basis like holiday accommodation, I could add them into Bixby as well. 

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Lestatou
Apprentice
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Galaxy S20 Series

After I downloaded the App Samsung band selection that allows you to make calls using only wifi and deactivating cellular signal on my first call I was prompt with the message "connect to wifi to make a call" of course I was connected to a functioning Wifi at my house. I changed the band to 2.4 from 5 and still same message. I used friends wifi etc and still same message. Somehow my phone despite being connected on wifi and properly functioning internet when you attempt to make a call doesn't recognize that the phone is already connected to wifi. Any ideas?

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nrngrng
First Poster
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Galaxy S20 Series

I have the same issue. Have you got a solution after all?

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Lestatou
Apprentice
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Galaxy S20 Series

Unfortunately I didn't. Samsung encouraged me to take it to a Samsung repair center. Let me know if u get any solution please.:(

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sallesao
First Poster
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Galaxy S20 Series

I am having the same exact issue with my Note 10. I even did a factory reset, nothing seems to solve the issue. Problem started after March 23 update. My phone is nos-US (international version), no US warranty.

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gakins
First Poster
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Galaxy S20 Series
Same issue here, done the Geb update and WiFi calling disappeared. I have been doing the work around by switching off, pulling the SIM card, switching the phone back in and let it fully come back on then re-insert the SIM and wifi calling re-appears in the drop down menu. Bit reluctant to do any further updates now. Bought an S20 5G specifically for wifi calling and this happens after an update, very dissapointed in samsung
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