Easy to ENABLE VOLTE and WiFi calls


Alan098765

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Sep 16, 2019
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For enabling VoLTE and VoWiFi in Settings you have first to disable the carrier checks by entering the following codes within the dialer app. However, VoLTE only works if the provider supports it.

* VoLTE: *#*#86583#*#*
* VoWiFi/WLAN-Calls: *#*#869434#*#*
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Sent from my MI CC 9 using Tapatalk
 
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Still no joy. I tried everything in your post but for some reason its not working for me. My carrier provide volte (vodafone) but for some reason after dirty flashing latest build can no longer make volte calls.
5945de952f65ce6f53e3ababc57b306b.jpg


Sent from my MI 8 using Tapatalk
 
Still no joy. I tried everything in your post but for some reason its not working for me. My carrier provide volte (vodafone) but for some reason after dirty flashing latest build can no longer make volte calls.
5945de952f65ce6f53e3ababc57b306b.jpg


Sent from my MI 8 using Tapatalk
It's, saying its on in yours but it's not blue, mine was just off, that's weird,

Sent from my MI CC 9 using Tapatalk
 
And this is the weirdest part. Seems VoLTE is available, but the symbol fails to show in the tray. I just don't get it ...
685408c537700755d4410c163e87c176.jpg


Sent from my MI 8 using Tapatalk
 
And this is the weirdest part. Seems VoLTE is available, but the symbol fails to show in the tray. I just don't get it ...
685408c537700755d4410c163e87c176.jpg


Sent from my MI 8 using Tapatalk
It will probably work if it's saying available
Try a reboot and then check if it's blue

Sent from my MI CC 9 using Tapatalk
 
Already did that. Will revert to last weeks build to see if can enable VoLTE back.

Sent from my MI 8 using Tapatalk
 
The oddest part is that voLTE seems to be working but for some reason the VoLTE symbol fails to show in the tray...
Just dont get it...
53644a0a669cb8d6a37b585a3102d4df.jpg


Sent from my MI 8 using Tapatalk
 
K20PRO - xiaomi.eu ROM 11 latest stable - Network A1 Austria (Telekom)
When I enable VOLTE it shows the symbol and the call can be made.

BUT theres is no caller ID. So I always get UNKNOWN caller, I don't even see the phone number when someone calls me.
Can you confirm this ? On this device ? On others ?
Without VOLTE i have normal caller/number ID in MIUI phone app.
Thank you !
 
K20PRO - xiaomi.eu ROM 11 latest stable - Network A1 Austria (Telekom)
When I enable VOLTE it shows the symbol and the call can be made.

BUT theres is no caller ID. So I always get UNKNOWN caller, I don't even see the phone number when someone calls me.
Can you confirm this ? On this device ? On others ?
Without VOLTE i have normal caller/number ID in MIUI phone app.
Thank you !
Same problem here did find anything to fix it ?