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Rooted and lost vowifi

Is there anyway I'm able to get VoWifi again on my OP7P? I have a tmobile unlocked and I switched to international version and rooted. After that if I try calling on VoWifi it doesn't ring or even tries to call?

Volte activation

Is somebody who can help me with volte activation is not working when i dial *#*#4336#*#* i cant activate

Nobody knows how i can activate volte ?

Nobody has worked on it for this phone. And nobody is currently working on volte and WiFi calling for this phone.

VoWifi

Hi!
I'm trying to enable voice over WIFI, my network provider supports it, it was working fine with Iphone6s, now i switched to Note10 and i can't enable this to work.

On the Mi 9 you need certain codes: https://forum.xda-developers.com/Mi-9/how-to/wifi-calling-volte-mi-9-t3917887
Maybe try those and see if you have any luck?
May I ask where you bought your phone and in what country and what network you are trying to use wifi calling?
On the Mi 9 thread, there are reports that wifi calling doesn't work as well with all networks; eg with Vodafone UK the option to prefer wifi over mobile network isn't available, so wifi calling is available only when there is no mobile signal.

Hi. I entered the codes, the option is there, but it's not working. I'm from Slovenija, my operator is Telekom Slovenije, the phone is from Gearbest store...

Search vowifi 4pda and find topic about mi8 vowifi
You'll need root.

VoWIFI on oneplus 6

How can we enable voWiFi on oneplus 6 (India) or when will we get update for beta user?
I tried using logkit and *#800# but unable to call from Jio number using wifi..

If you havr updated to Android 10, you must have got this vowifi option in network settings. I have airtel and vowifi works great since day 1.

you can find it in sim card setting but right now airtel support vowifi not jio sim

Question Enable VOWIFI

Does anyone know how to enable VOWIFI on the Iqoo 7, i live in Austria and there is VOLTE and VOWIFI not available.
It does work with a sim card from Germany but as son i change the sim settings disappear.
I tried several codes and could manage to have the setting for VOWIFI but without any function.

If the settings vanish with Sim change that means your provider is not allowing voWiFi.
VoWiFi usually works with same provider on WiFi and cellular.
LIke I use it with Airtel since my broadband connection is also of Airtel. My sim is of Vodafone, so that doesn't show VoWiFi for it.

Provider Supports vowifi an volte für sure that isn't the problem.
Ive got volte right now with the Samsung galaxy and previously with oneplus and so on.
It's just the missing setting because Vivo didn't include Austrian providers in the rom.