Can't Activate Advanced Calling / HD Calling 1.0 - Verizon LG G3

Hi,
I can't Activate Advanced Calling 1.0 in my LG G3 V855.
When i press Activate Button it shows
" We encountered a problem activating Advanced Calling 1.0. Please try again later. "
how i can activate it.
Need help...

GSK_FS said:
Hi,
I can't Activate Advanced Calling 1.0 in my LG G3 V855.
When i press Activate Button it shows
" We encountered a problem activating Advanced Calling 1.0. Please try again later. "
how i can activate it.
Need help...
Click to expand...
Click to collapse
How is anyone supposed to know how to help you if you give no info on the rom youre running or if it is stock? Theres alot of variables here. Give more info:cyclops:

Sorry .. Phone is G3 VS985.
In the settings, network settings then Advanced calling then Activate Advance Calling then press Activate button.......
But not working , error. This is verizon phone , I'm not verizon sim user
Need help
Sent from my VS985 4G using XDA-Developers Legacy app

GSK_FS said:
Sorry .. Phone is G3 VS985.
In the settings, network settings then Advanced calling then Activate Advance Calling then press Activate button.......
But not working , error. This is verizon phone , I'm not verizon sim user
Need help
Sent from my VS985 4G using XDA-Developers Legacy app
Click to expand...
Click to collapse
Advanced Calling is an Verizon feature only. If you do not have an Verizon sim card then it wont work.

Related

(Fixed) How to enable wifi hotspot using AT&T set

I have an AT&T set but it is now unlock and use in my country where I have no issue to use wifi tethering with my service provider in Singapore.
However each time I try to turn on wifi hotspot, it said go to AT&T url or dial 611 to use.
Can someone help? My device is already rooted. Thanks in advance
Updated : thanks to kiwi45. Just add tether under apn default type (default,tether)
Sent from my Motorola Atrix
i had this problem too, but i installed the gingerblur script (dev forum) and since you get the option to remove "bloatware", i am guessing there is an application in the phone that detects personal hotspot without an att tethering account.
you might want to freeze in titanium backup unneeded programs, there's a list on the forums
same problem
I search a solution in google,but,no result.
Anyone know it? please help us!!
franciscojavierleon said:
i had this problem too, but i installed the gingerblur script (dev forum) and since you get the option to remove "bloatware", i am guessing there is an application in the phone that detects personal hotspot without an att tethering account.
you might want to freeze in titanium backup unneeded programs, there's a list on the forums
Click to expand...
Click to collapse
I tried some of the services by freezing it but it does not seems to work.
Sent from my MB860 using Tapatalk
you shouldnt have to freeze anything for mobile hotspot to work. did you put in the APN for your carrier? you cannot use the AT&T tether fix for your carrier you have to use your settings from your carrier.
neotekz said:
you shouldnt have to freeze anything for mobile hotspot to work. did you put in the APN for your carrier? you cannot use the AT&T tether fix for your carrier you have to use your settings from your carrier.
Click to expand...
Click to collapse
But does that work on AT&T, or do they manage to block it?
gaww said:
But does that work on AT&T, or do they manage to block it?
Click to expand...
Click to collapse
You have to set your APN for your own carrier. Whatever works on AT&T does not matter in SG.
neotekz said:
you shouldnt have to freeze anything for mobile hotspot to work. did you put in the APN for your carrier? you cannot use the AT&T tether fix for your carrier you have to use your settings from your carrier.
Click to expand...
Click to collapse
Yes I have set my own APN for my provider since day 1 and I have been using it for other android hp without issue
Sent from my Motorola Atrix™ using Tapatalk
Rithina said:
I have an AT&T set but it is now unlock and use in my country where I have no issue to use wifi tethering with my service provider in Singapore.
However each time I try to turn on wifi hotspot, it said go to AT&T url or dial 611 to use.
Can someone help? My device is already rooted. Thanks in advance
Sent from my Motorola Atrix
Click to expand...
Click to collapse
Works for me on Three in the UK with my normal APN. I have unlocked ATT handset. I just click through. Does your provider allow hot spot?
trickyhenry said:
Works for me on Three in the UK with my normal APN. I have unlocked ATT handset. I just click through. Does your provider allow hot spot?
Click to expand...
Click to collapse
Yes it does but each time it says at&t validating and it fail.
Sent from my Motorola Atrix™ using Tapatalk
yeah. I'm from Malaysia and everytime I tick on the wi-fi hotspot box there will be a prompt asking me to enable the account at att.com/mywireless or dial 611.
my provider does allows tethering and I'm using unlock at&t device..
Just edit your APN to include "tether" in the Type field, i.e. Type: default -> Type: default,tether
kiwi45 said:
Just edit your APN to include "tether" in the Type field, i.e. Type: default -> Type: default,tether
Click to expand...
Click to collapse
Gosh you made my day! Been using the same APN without issue on all android handset except Atrix.
Brillant!
Sent from my Motorola Atrix™ using Tapatalk
thanks a lot kiwi45! i never thought it is that easy!
thanks again~
i have always had tether in my apn type however it doesn't work for me. When i activate hotspot, i get stuck at the "setting up data link" phase in the notification dialog, and i can't turn it off unless i reboot.
franciscojavierleon said:
i have always had tether in my apn type however it doesn't work for me. When i activate hotspot, i get stuck at the "setting up data link" phase in the notification dialog, and i can't turn it off unless i reboot.
Click to expand...
Click to collapse
Did you use aroot?
Sent from my Motorola Atrix™ using Tapatalk
franciscojavierleon said:
i have always had tether in my apn type however it doesn't work for me. When i activate hotspot, i get stuck at the "setting up data link" phase in the notification dialog, and i can't turn it off unless i reboot.
Click to expand...
Click to collapse
try turning on your wifi before you turn on mobile hotspot. i get stuck at the setting up data link too when i don't have wifi enabled.
Anyway, when I use aroot, I don't need to add tether on my apn setting. Unless you are using super one click. Btw, all using soc should update to aroot to clean up the mess.
Updated: I still need to add tether on the apn after testing even I use aroot.
Sent from my Motorola Atrix™ using Tapatalk
neotekz said:
try turning on your wifi before you turn on mobile hotspot. i get stuck at the setting up data link too when i don't have wifi enabled.
Click to expand...
Click to collapse
d-oh! i always tried enabling wifi after turning it on. now it works. thanks. but it still has a bug, because it won't let you disable hotspot if you don't turn on wifi first, you need a reboot
I still get stuck on setting up data link. I make sure wifi is enabled and when I click hotspot, wifi turns off. I rooted aroot over soc. Any ideas?
nvm I got it to work. Right after I selected hotspot, I pressed home and turned on wifi. That seemed to work.

*** URGENT HELP *** Use Verizon S4 in India on GSM SIM

Hi All,
I know its a topic which has been addressed differently in different threads. I am a user from India and have a GSM SIM. I have got a Verizon S4 phone. I tried using it with Vodafone SIM and get a problem in using it. Surprisingly a NOTE 2 from Verizon works just fine. I am able to use it for data with 3G but not able to use it for voice. Following steps have been tried already.
- Default Options of using Global Mode and GSM/UMTS ** Doesnt search the network at all.
- Hidden Menu Changes using # codes. ** Shows network but emergency mode only.
- Phone Info app to change the mode. ** Shows network but emergency mode only.
- RF Band change using the hidden menu. ** Shows network but emergency mode only.
It does say that it has GSM radio but cant be used for some software reason I suppose. I checked with Verizon Rep and was told that it cannot be used in India with a GSM SIM and would need the Verizon SIM only to connect with International Roaming.
Can I install a I-9505 ROM on this and then would it pick up the GSM signal for voice and data. Please help.
I don't think your Verizon rep is correct. I bought a Verizon S4 just before going to Europe for 1 month. I used first a gsm SIM card from Germany, and then a gsm card from France. I had to add APN's to get data (I used "offline sim APN database" from the market to help get the necessary APN info), but had no trouble with voice or data for my entire trip. The gps and navigation services on the phone were extremely valuable on a couple of occasions, as was the wifi hotspot. In France, you can purchase 2 GB of data service for 20 Euros. I checked with Verizon global services ( 908-559-4899 outside the US or 800-711-8300 from inside ) before I left, and the Verizon S4 was sim unlocked out of the box. They did not make a big deal of my plan to use other SIM cards either.
Sent from my SCH-I815 using xda app-developers app
Installed WamanLite I9505 ROM
Hello All,
I found that Wanam Lite I-9505 ROM can be installed on Verizon S4. I installed it and patched it with Loki-Doki patch to boot up as I got the Verizon Software error. Yet my phone doesnt pick up the GSM signal for voice and SMS. It picks up the signal and I am able to browse internet on it but no calls or SMS. Please help...!!
Is there any way that I can install or flash a regular GSM radio over the phone ? Or tweak it in someway to use the GSM signal as primary for voice and sms.
phrozenwire said:
Hello All,
I found that Wanam Lite I-9505 ROM can be installed on Verizon S4. I installed it and patched it with Loki-Doki patch to boot up as I got the Verizon Software error. Yet my phone doesnt pick up the GSM signal for voice and SMS. It picks up the signal and I am able to browse internet on it but no calls or SMS. Please help...!!
Is there any way that I can install or flash a regular GSM radio over the phone ? Or tweak it in someway to use the GSM signal as primary for voice and sms.
Click to expand...
Click to collapse
I have also Verizon's S4 (i545) and use it in GSM network with only one small problem - it will not send SMS with in-ROM SMS apk to international-formatted numbers (+380-XX-XXX and so on), but send without problem to local-formatted numbers (XX-XXX...) All the rest is working good.
Could you tell me please - how did you get to install i9505's ROM on your device? I have also Verizon's error after installation, and don't know how to run it...
Hi I too have the vzw s4 in india.. and niether voice nor sms is functioning on it.
By rooting it and installing apn manager I was somehow able to get the data 3g working for vodafone ind.
I too am struggling to find a solution to this.
Ive haventvyet flashed it. I came across a guy who said he will be able to get it working but somehow I havent yet been abke to follow up with him.
Guess we both are on the same boat.
Lets keep in touch and update if any of us finds a solution to this.
Sent from my SCH-I545 using xda app-developers app
You all can try to flash my port of ARHD 2.0 ROM, that can be found it this thread:
http://forum.xda-developers.com/showthread.php?t=2346365
It is fully GSM and as international as regular GSM-version of S4. CDMA can be turned on only on hidden test application. Everything else is working and was tested in different networks.
I too created a post seeking help in this regard but didn came across anything concrete yet.
Everyone out here believes it to be a world phone and some have even been using the gsm network in europe but its not working in india.
Ive failed to understand that how come its detecting signals with functioning data is not working on either voice or sms.
Tmobile and atnt gs4 guess have this service menu from where they can be network unlocked explicitly..but unfortunately I havent yet come any such thing for vzw gs4.
Sent from my SCH-I545 using xda app-developers app
ashroh said:
I too created a post seeking help in this regard but didn came across anything concrete yet.
Everyone out here believes it to be a world phone and some have even been using the gsm network in europe but its not working in india.
Ive failed to understand that how come its detecting signals with functioning data is not working on either voice or sms.
Tmobile and atnt gs4 guess have this service menu from where they can be network unlocked explicitly..but unfortunately I havent yet come any such thing for vzw gs4.
Sent from my SCH-I545 using xda app-developers app
Click to expand...
Click to collapse
Zer0r said:
You all can try to flash my port of ARHD 2.0 ROM, that can be found it this thread:
http://forum.xda-developers.com/showthread.php?t=2346365
It is fully GSM and as international as regular GSM-version of S4. CDMA can be turned on only on hidden test application. Everything else is working and was tested in different networks.
Click to expand...
Click to collapse
I tried installing the ARHD 2.0 ROM but still the same issue persists. The phone picks up the signal for data but when tried selecting network manually or automatic using the GSM / UMTS option, it says disable data to search networks, when data is disabled, the phone shows available networks says phone registered to network but the status still says Emergency Calls Only. Also if tried dialing a phone it says no network available. There has to be something in the modem settings which can be tweaked through the service menu which will change the use of GSM for voice and data and not use CDMA.
phrozenwire said:
I tried installing the ARHD 2.0 ROM but still the same issue persists. The phone picks up the signal for data but when tried selecting network manually or automatic using the GSM / UMTS option, it says disable data to search networks, when data is disabled, the phone shows available networks says phone registered to network but the status still says Emergency Calls Only. Also if tried dialing a phone it says no network available. There has to be something in the modem settings which can be tweaked through the service menu which will change the use of GSM for voice and data and not use CDMA.
Click to expand...
Click to collapse
Did you do a full wipe when flashing ROM? It is mandatory. You will lose all your data though. If there will be no changes after full wipe - then try to install this card into another phone and ckeck if voice calling is working.
Zer0r said:
Did you do a full wipe when flashing ROM? It is mandatory. You will lose all your data though. If there will be no changes after full wipe - then try to install this card into another phone and ckeck if voice calling is working.
Click to expand...
Click to collapse
I did a full wipe. I have 2 Galaxy S4's and also an Optimus G. The card that I am using is my regular SIM card so its not an issue with the card for sure. The ROM was installed on both the phones and neither of them picked up the signal for voice and SMS.
phrozenwire said:
I did a full wipe. I have 2 Galaxy S4's and also an Optimus G. The card that I am using is my regular SIM card so its not an issue with the card for sure. The ROM was installed on both the phones and neither of them picked up the signal for voice and SMS.
Click to expand...
Click to collapse
Ok. To go and chose type of radio-band you may install Battery Monitor Widget from Google Play (well, the main purpose of this app is different, but it is what comes first in my mind). Put it's widget on the desktop, open it and go for bottom right button, named Test. There you can first menu (Device Info) and there you will be able to change all variations of the radio bands and their combinations, available for i545. If non of the combinations will help - mosty probably your operator works on unsupported for this phone cellular format.
Zer0r said:
Did you do a full wipe when flashing ROM? It is mandatory. You will lose all your data though. If there will be no changes after full wipe - then try to install this card into another phone and ckeck if voice calling is working.
Click to expand...
Click to collapse
Zer0r said:
Ok. To go and chose type of radio-band you may install Battery Monitor Widget from Google Play (well, the main purpose of this app is different, but it is what comes first in my mind). Put it's widget on the desktop, open it and go for bottom right button, named Test. There you can first menu (Device Info) and there you will be able to change all variations of the radio bands and their combinations, available for i545. If non of the combinations will help - mosty probably your operator works on unsupported for this phone cellular format.
Click to expand...
Click to collapse
I have the Phone Info app which allows band select. Tried on all possible modes. Same issue persists. Strangely the Note 2 purchased from Verizon works flawlessly without any mods or changes. I am thinking of giving to some professional phone guy who may have code level flashing or modding tools to try and fiddle around with settings of the modem or the radio to pick up the signal here.
phrozenwire said:
I have the Phone Info app which allows band select. Tried on all possible modes. Same issue persists. Strangely the Note 2 purchased from Verizon works flawlessly without any mods or changes. I am thinking of giving to some professional phone guy who may have code level flashing or modding tools to try and fiddle around with settings of the modem or the radio to pick up the signal here.
Click to expand...
Click to collapse
Hey phrozenwire, I am able to use both voice n sms now in my VZW GS4.
And I literally did nothing to make the voice n sms functional. I too had troubles for like 2 weeks and it didn work for me then.
I rooted the phone to add apn settings and the data got activated. But today morning when I woke up ... surprise surprise .. it began to work.. rcvd sms and calls and I was so happy. . Last I remember I switched on the power save mode and my cell fell down twice and guess it did the trick for me.
Thanks all for your help and comments.
Sent from my SCH-I545 using xda app-developers app
Hello Folks,
I was planning to by VZW S4 to use in India & by looking at all your comments it makes me not to buy. Any further updates after so much of discussion on this phone to make it work in India's cellular service. I see the last post was on July 2013 & now any further lucks/success in making this phone work over there in India??
Tx,
Naraynar
---------- Post added at 11:22 PM ---------- Previous post was at 11:21 PM ----------
Hello Folks,
I was planning to by VZW S4 to use in India & by looking at all your comments it makes me not to buy. Any further updates after so much of discussion on this phone to make it work in India's cellular service. I see the last post was on July 2013 & now any further lucks/success in making this phone work over there in India??
Tx,
Naraynar

Finally Continuous 3G(WCDMA) or 3G+2G for Moto G

Guys, i finally found solution for our Moto G network data issue,
Previously i was using Xperia C where i can select 2g(GSM), 3G( WCDMA) , 3G+2G option.
But in our Moto G - 2G, 3G+2G option is there but complete 3G (WCDMA) is missing this means
If we select 3G, our phone will Select 2G when our phone finds full 2G network, it will switch to 3G only when it finds full network
"Network" yup this is solution
Network app just download this from play store and enjoy complete full
3G support :good:
https://play.google.com/store/apps/details?id=de.mangelow.network&hl=en
I am not here to promote this app just to help my xda brothers whosesoever is facing similar problem like me
Just hit thanks if this thread helped you :good:
Or u can create custom shorcut.using any 3rd party launcher
Long press on home>shorcut>setting>phone info
No need of any app
vikasb32 said:
Or u can create custom shorcut.using any 3rd party launcher
Long press on home>shorcut>setting>phone info
No need of any app
Click to expand...
Click to collapse
Hey there is a shortcut....
Just dial
HTML:
*#*#4636#*#*
then phone info
reeeju said:
Hey there is a shortcut....
Just dial
HTML:
*#*#4636#*#*
then phone info
Click to expand...
Click to collapse
help me i select WCDMA only but there is no change it shows gsm,
should i do anything aftar scrolling on WCDMA ?
shahbaj badhon said:
help me i select WCDMA only but there is no change it shows gsm,
should i do anything aftar scrolling on WCDMA ?
Click to expand...
Click to collapse
Try selecting wcdma only or wcdma preferred....i always use auto mode......if it not works...then put the phn in airplane mode once and switch off then restart and try again..some times this solves network problem for me.....aftr selecting if it doesnt work u can go to settings/more/cellular networks/network mode/ wcdma only....
MAKE SURE U HAV A ACTIVE 3G RECHARGE FOR UR NUMBER WITH ENUFF BALANCE....LOL..JOKING
Sent from my osprey_uds using XDA Labs
This method does not work on second sim.Is there any way to activate 3g only mode in second sim?
Sent from my Moto G 2014 using XDA-Developers mobile app

Network mode missing

Hi, I just recently use LG G5 Model F700K Korean variant and I notice that it missing the network mode for switching 4G and 3G connection. I also try hidden menu but mine doesn't show network test at all. Is there any way to access this menu???
I'm on LS992 running a GSM card.
I can toggle 4G/3G by going to Settings > Mobile Data > Menu > Mobile Networks > Network Mode > "Automatic" for 4G LTE data, "GSM/UMTS" for 3G data.
Using hiddenmenu APK, I can do it by selecting Field Test > Modem Settings > RAT Selection > "GSM/WCDMA/LTE auto" for 4G LTE data, or "GSM/WCDMA" for 3G data.
However, these were not accessible to me either until I switched from Production to Lab network using the hiddenmenu APK.
PhantasmRezound said:
I'm on LS992 running a GSM card.
I can toggle 4G/3G by going to Settings > Mobile Data > Menu > Mobile Networks > Network Mode > "Automatic" for 4G LTE data, "GSM/UMTS" for 3G data.
Using hiddenmenu APK, I can do it by selecting Field Test > Modem Settings > RAT Selection > "GSM/WCDMA/LTE auto" for 4G LTE data, or "GSM/WCDMA" for 3G data.
However, these were not accessible to me either until I switched from Production to Lab network using the hiddenmenu APK.
Click to expand...
Click to collapse
Excuse me but what is hiddenmenu APK? M kinda a noob here for Android
hero_p113 said:
Excuse me but what is hiddenmenu APK? M kinda a noob here for Android
Click to expand...
Click to collapse
My apologies, I meant to include the link but didn't save it last post. Link to the APK installation file for "HiddenmenuCall" app is in the following guide:
https://forum.xda-developers.com/sprint-lg-g5/how-to/guide-gsm-unlock-sprint-lg-g5-t3574819
Essentially follow the guide and skip steps 4-6 (unlocking carrier bands, unless you want to do this too.) It will prompt you to turn on app installs from unknown sources in step 2; do so for this app and turn off after this installation is complete to keep secure.
PhantasmRezound said:
My apologies, I meant to include the link but didn't save it last post. Link to the APK installation file for "HiddenmenuCall" app is in the following guide:
https://forum.xda-developers.com/sprint-lg-g5/how-to/guide-gsm-unlock-sprint-lg-g5-t3574819
Essentially follow the guide and skip steps 4-6 (unlocking carrier bands, unless you want to do this too.) It will prompt you to turn on app installs from unknown sources in step 2; do so for this app and turn off after this installation is complete to keep secure.
Click to expand...
Click to collapse
Installed but I didn't find other option to dive into it . I can only see device test, elt test and SVC menu
hero_p113 said:
Hi, I just recently use LG G5 Model F700K Korean variant and I notice that it missing the network mode for switching 4G and 3G connection. I also try hidden menu but mine doesn't show network test at all. Is there any way to access this menu???
Click to expand...
Click to collapse
i have the same issue with u with my g5..model f700L..i tried to look for an app in playstore.. named V10 Hidden settings. i downloaded it.. and theres options for mobile network.. to change network mode. u can manage networks either for 3g,wcdma, and 4g lte from there..works great with my g5..
simonchkies said:
i have the same issue with u with my g5..model f700L..i tried to look for an app in playstore.. named V10 Hidden settings. i downloaded it.. and theres options for mobile network.. to change network mode. u can manage networks either for 3g,wcdma, and 4g lte from there..works great with my g5..
Click to expand...
Click to collapse
Thank I found the app a little while ago
hero_p113 said:
Thank I found the app a little while ago
Click to expand...
Click to collapse
Thank you dear.
simonchkies said:
i have the same issue with u with my g5..model f700L..i tried to look for an app in playstore.. named V10 Hidden settings. i downloaded it.. and theres options for mobile network.. to change network mode. u can manage networks either for 3g,wcdma, and 4g lte from there..works great with my g5..
Click to expand...
Click to collapse
Thanks man!! it worked like a charm in mu LGG5.. big hug!! :highfive:
Network mode lte only
Is there any way to choose network mode lte only
Same network mode issue
condeccs said:
Thanks man!! it worked like a charm in mu LGG5.. big hug!! :highfive:
Click to expand...
Click to collapse
Pls can you share the v10 hiddenapps with me, I couldn't find it on play store. Can you please help me attach it to a mail and send to me.

Xiaomi mi a3 trying to turn on WiFi calling with ATT

Hello I’m new to android I’ve had a iPhone for the past 8+ years. I went with the Xiaomi mi a3 and I have ATT as my service here in the USA. So I’m wondering how do I get the WiFi calling to work I need it bad!!
Hevs1991 said:
Hello I’m new to android I’ve had a iPhone for the past 8+ years. I went with the Xiaomi mi a3 and I have ATT as my service here in the USA. So I’m wondering how do I get the WiFi calling to work I need it bad!!
Click to expand...
Click to collapse
No guarantee it will work, but you can try inputting the following codes in Phone > Dial pad to disable carrier check (to re-enable it just input the same code again) :
For Enhanced 4G (VoLTE) :
*#*#86583#*#*
For WiFi Calling :
*#*#869434#*#*
For my case, WiFi Calling option appear but not working.
Good luck!
ykkhern said:
No guarantee it will work, but you can try inputting the following codes in Phone > Dial pad to disable carrier check (to re-enable it just input the same code again) :
For Enhanced 4G (VoLTE) :
*#*#86583#*#*
For WiFi Calling :
*#*#869434#*#*
For my case, WiFi Calling option appear but not working.
Good luck!
Click to expand...
Click to collapse
So should I disable both or what?
Hevs1991 said:
So should I disable both or what?
Click to expand...
Click to collapse
Yes, try both.
ykkhern said:
Yes, try both.
Click to expand...
Click to collapse
So disable both then what? Reset the phone and see if the WiFi calling pops up?
Hevs1991 said:
So disable both then what? Reset the phone and see if the WiFi calling pops up?
Click to expand...
Click to collapse
Don't need to reset phone, just restart if you want. Then check :
Settings > Wireless & network > Mobile network > Enhanced 4G > ON
Phone > Settings > Calling account > Sim1/Sim2 > Wifi calling > ON
Like I said earlier, may or may not work. In my case, wifi calling is still not working.
Hey @ykkhern do you have another wonder code you could sell me? If so i’m really interested in buying it, could you please message me on discord NavXo#3226 or email me [email protected]
ovocash162 said:
Hey @ykkhern do you have another wonder code you could sell me? If so i’m really interested in buying it, could you please message me on discord NavXo#3226 or email me [email protected]
Click to expand...
Click to collapse
I had already sold all my Wonder codes.
WiFi calling
Update to the Latest firmware and apply the second code from the first post!!
*#*#869434#*#* for WiFi calling
Now use a carrier who supports wifi calling !!
Try this video : https://youtu.be/k7gL28bDsEo from 1:42 as a proof !!
Thanks in advance
I just followed the guide and have both vowifi and volte enabled in my wife's mi A3.
It goes without saying that I had previously enabled the vowifi in her carrier.

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