Voice over wifi stopped working all of a sudden - Samsung Galaxy S8 Questions and Answers

hi guys,
We have 2 Samsung s8 unlocked working pretty well... 3 days ago something strange happened, voice over wifi stopped working - we can still get ovice over LTE but not voice over wifi with the little phone icon.
I have tried every possible setting to no avail, restarted, airplane mode, toggle on and off both from Connections > Mobile Networks and the other one under Call > 3 dots > Settings > Wifi Calling and Wifi Preferred. nothing happens anymore.
also tried:
network reset on my phone
cleaned cache from boot menu
cleaned sim card plus checked all settings...
also tested with another wifi at my work and same story.
We didn't touch the software either. All it happened was a change in our wireless setup at home with new routers or something my landlord manages, but still does not justify why at my work doesn't work anymore as well.
Is there a magic toggle in one of those system hidden menus?
any ideas?
thanks
Gabrio

i've noticed this going to IWLAN, not sure that's normal or it ever happened before as well.... is that normal? on wifi
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[Q] [Solved] Can't Delete Wifi Settings

Hi.
I have a problem regarding WiFi connectivity on my G2 (LG D802 running KK 4.4.2 D80220D)
The problem is when I open Network settings page, it says that II'm connected to a WiFi Network (For Example ABCD):
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but when I open WiFi settings, It doesn't show me connected to any Wifi AP:
I cant disconnect from the connected network, because it doesnt state connected in WiFi Page, neither I can "Forget the Network"
and this is happening to all WiFi APs, not just my AP. Turning WiFi on/off didn't help. My phone is rooted, so is there anyway to delete these WiFi settings from somewhere in phone, so all saved wifi settings be gone?
Things I've done so far:
Enabling Airplane Mode (No Luck)
Restarting phone (No Luck)
Wiping dalvic Cache and System cache (Again, No luck)
Sorry for no images in post. I'm not allowed to put any link here, so attached them in order.
Update:
I deleted "/data/misc/wifi" and rebooted the phone and everything got back to normal. hoooray!!!
Anyone?
I have the same exact problem. And i am traveling now so thats a big problem for me.
Please help
Edit:
Ok i missed the update.. But i am not rooted, so i dont think i can delete the misc/wifi..

[Q] Strange wifi issues

Hey guys, been having this problem for a while but finally had enough of it!
For a start, in the wifi list in settings it doesn't show me which network I am actually connected to.
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In addition if i tap another wifi network which despite already previously been connected to it , it will still ask me for the password again, after which it keeps saying failed to connect, it wont let me connect to it
I have been getting around the problem by using WPS on my wifi router and "WPS Push Button" in the settings menu when I'm home to get it to connect to my home wifi as opposed to "BT OpenZone" every time, which is quite frustrating!
I'm rooted on stock rom , Build Number KOT49I.D80220h however this problem has been ongoing atleast since before the last 2 updates.
Any ideas/troubleshooting I can do??
Cheers amishra123
Tried resetting to factory defaults?
I haven't no. What's the best/easiest way to go about backing up before and restoring afterwards ?
LGBackup on the phone should suffice. Just make sure to copy the LGBackup folder to a safe location (like a PC/laptop).

Wi-Fi stopped working on rooted Galaxy S7

I own a Verizon Samsung Galaxy S7 (G930V), rooted according to psouza4's root guide and fine-tuning guide , with Coolify. Everything was working great, until two nights ago. That night, Wi-Fi randomly stopped working on the device. Upon inspection, I found it had not only disconnected from my network, but had also turned off its Wi-Fi signal.
I tried turning it back on, both through the notification tray and the android settings app, which says it is turning Wi-Fi on for a few minutes, looking like this:
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before giving up and returning to this:
I've already tried reboot, wiping the cache partition, toggling airplane mode, cellular data and bluetooth, all to no avail. I am unsure what is causing this problem and whether it is hardware or software related. I only have a finite amount of cellular data and much prefer to be using Wi-Fi. I am hesitant to resort to a stock reset of my phone, losing all my apps, data, and hours of customization, though I will if I think I have to. Any advice will be much appreciated!

Wifi not working suggestions needed

Hello guys, I was using Google edition ROM for 1-2 months in my LGG2 D802
A week ago suddenly the wifi stopped working. It keeps showing turning on wifi and nothing happens.
I flashed other ROMs at the settings wizard the wifi started but turned itself off after few minutes.
So I visited LG care nearby, they flashed ROM in it to check if it starts working and it didn't.
They suggested to replace the board which will cost 5k INR
Should I go for it?
*bump*
FINALLY WiFi TURNED ON!
FINALLY!
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What I did?
- Flashed stock ROM
- kept wifi turned off
- turned off automatic date update
- then turned on wifi
So, basically its the automatic date update which is killing the wifi everytime. don't know why..
Please inform to people to try this method facing this issue.
Thank god didn't sell it for 5000Rs :laugh:

G935V WiFi and Bluetooth will not turn on.

Hi, I recently bought a shattered Galaxy S7 Edge from facebook marketplace for $45..
Long story, short. When setting it up i noticed it would not let me connect to wifi, anyways i finally got to the home screen and data 4G lte works fine from my SIM card data, but i can not get the wifi to turn on nor the bluetooth to turn on.. it just switches back to off and a circle spins. in the screenshot it shows the spinning circle on wifi and the greyed out bar on bluetooth (from trying to switch on that wont work)
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EDIT: So i want to know if there is any like modem file or what not i can try to flash via open to reinstall the "drivers" for the wifi/bluetooth, if that make sense? Or what do i do? Thanks in advance
I suggest you to install this [Rom][VZW_CRI1][Stock_Oreo_PreRooted_Easy_Unroot/Root][Safestrap_Preinstalled] and then unroot (tuto is in there too)
that way you will have flashed stock firmware, which will problbly solve your issue. And then jrkruse rom, which is great. You will end with a perfectly working, debloated phone

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