Database Develop

T-Mobile users on 5.1...

And your on LTE, what happens when you dial 611? It immediately hangs up every time. On both D and E.

works fine here, i call tmobile when i dial 611. im on rastapop, a 5.1 rom, but im using an older radio since i cant get phone calls while on lte with the newer radios.

Mines working fine..
Sent from my Nexus 6

Do they bump down to HSPA? Or stay on LTE like mine does? It only does it with Enhanced LTE on. Turned off it drops to HSPA and the call goes through. Any other call to any other phone, so far, works fine on LTE.

stevessvt said:
Do they bump down to HSPA? Or stay on LTE like mine does? It only does it with Enhanced LTE on. Turned off it drops to HSPA and the call goes through. Any other call to any other phone, so far, works fine on LTE.
Click to expand...
Click to collapse
nope. they stay on lte and the phone never rings, even with enhanced lte disabled. at least mine, and othets on tmobile having issues with the new radios. im using an older radio now, and works perfectly.

stevessvt said:
And your on LTE, what happens when you dial 611? It immediately hangs up every time. On both D and E.
Click to expand...
Click to collapse
Weird. This is happening to me too on D.

Now I see what you guys are talking about 611 hanging up... Mines don't exactly hangup but it says Call Ended then switches to Dialing then the call goes through. Never actually hangs up..
Sent from my Nexus 6

stevessvt said:
And your on LTE, what happens when you dial 611? It immediately hangs up every time. On both D and E.
Click to expand...
Click to collapse
The same thing is happening to me. I flashed the factory images and that happened.
---------- Post added at 10:31 PM ---------- Previous post was at 10:30 PM ----------
simms22 said:
nope. they stay on lte and the phone never rings, even with enhanced lte disabled. at least mine, and othets on tmobile having issues with the new radios. im using an older radio now, and works perfectly.
Click to expand...
Click to collapse
With that older radio, do you still get VoLTE?

I'm on D, enhanced LTE on. 611 works. No double texts. This must be area / tower specific?

Anyone else notice LTE not staying selected when choosing network type?
If I choose LTE, the little green radio button shows as selected. All good. Back out to the main settings, then go back into cellular networks and see if it's still selected and nope! Radio button is blank again. Still says LTE, but the button is not selected.
If I go to select 3g or 2g options, button shows as selected, back out, then back in....radio button remains selected.
Does this for me on both of the new radios... 95R & 98R

carlz28 said:
Anyone else notice LTE not staying selected when choosing network type?
If I choose LTE, the little green radio button shows as selected. All good. Back out to the main settings, then go back into cellular networks and see if it's still selected and nope! Radio button is blank again. Still says LTE, but the button is not selected.
If I go to select 3g or 2g options, button shows as selected, back out, then back in....radio button remains selected.
Does this for me on both of the new radios... 95R & 98R
Click to expand...
Click to collapse
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"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
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"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
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carlz28 said:
View attachment 3218072
Click to expand...
Click to collapse
Sorry for replying on old thread..
but I am facing same issue on stock ROM (NON Rooted ) with the latest 5.1.1 build.
Any solution?
Thanks & Regards,
Rahul

Wifi calling error

Am curious who all have tried to use wifi calling and have received this message?
{
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"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
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This has been discussed a little bit in the no LTE in the US with T-Mobile thread but I figured I would make its own thread for this issue and get everyone to speak up.. I have already tried to fix it with T-Mobile and that did not work.. I have already got crystal z attention and she has pmed me on the matter asking for a report and picture.. I feel a lil dumb on the matter and sent her a report(I hope I did it correctly) along with the screenshot (dated and the time it happened to go with the report).. anyone else pls reply if u have encountered the issue.. crystal is watching the forums and the more info she sees the more we can help her... Thank you...
Sent from my ONEPLUS A3000 using Tapatalk

My wifi calling works perfectly and I'm using simple mobile prepaid (They run off T-Mobile). Since I activated wifi calling it's worked everytime with no error message. I tested it with airplane mode on just to be sure for you.

djr4x4 said:
Am curious who all have tried to use wifi calling and have received this message?
This has been discussed a little bit in the no LTE in the US with T-Mobile thread but I figured I would make its own thread for this issue and get everyone to speak up.. I have already tried to fix it with T-Mobile and that did not work.. I have already got crystal z attention and she has pmed me on the matter asking for a report and picture.. I feel a lil dumb on the matter and sent her a report(I hope I did it correctly) along with the screenshot (dated and the time it happened to go with the report).. anyone else pls reply if u have encountered the issue.. crystal is watching the forums and the more info she sees the more we can help her... Thank you...
Sent from my ONEPLUS A3000 using Tapatalk
Click to expand...
Click to collapse
I'm using ATT (have an older nano SIM from a Samsung Alpha so it's all setup right), and enabled WIFI calling in the SIM1 settings. I've tried calling when on WIFI and it seems fine. I'm not exactly sure what to expect from it. Would a good test be to be in a place that has no cellular service, but has a WIFI router , and then try to make a regular call? Is that the bottom line?
Thanks.

I have signal basically in one spot in my house.. anywhere else and my signal is dead... Turn on wifi calling. The vowifi display that replaces volte will flash on/off over a time period and then will pop up with the above message and will turn off wifi calling in the settings..
Sent from my ONEPLUS A3000 using Tapatalk

T-Mobile overlooked 1 small detail to my wifi calling issue and crystal z asked me to look into it.. T-Mobile dropped my e911 address when I swapped phones.. I put the address back in and wifi calling works again...
Sent from my ONEPLUS A3000 using Tapatalk

hachamacha said:
I'm using ATT (have an older nano SIM from a Samsung Alpha so it's all setup right), and enabled WIFI calling in the SIM1 settings. I've tried calling when on WIFI and it seems fine. I'm not exactly sure what to expect from it. Would a good test be to be in a place that has no cellular service, but has a WIFI router , and then try to make a regular call? Is that the bottom line?
Thanks.
Click to expand...
Click to collapse
You have WiFi calling working on AT&T? I don't even see the option for WiFi Calling or VoLTE on my OP3T. The Enhance Settings are non-existent. When I search for WiFi in settings, I see WiFi Calling, and can turn it on, but it never stays on. When I go back into the setting it is off again. Anyone else on ATT get either of these options to work?
TR

4G Data but no voLTE calls defaults 3g

Hello all,
Recently purchased this phone.
As stated in the title I get 4g but when making or receiving a call default to 3g. Immediately back to 4g as soon as call over.
I disabled region check and Enhanced 4G LTE Mode toggle appeared in Mobile Network Settings. I enabled and restarted.
Also went into phone info using *#*#4636#*#* and all flags for voLTE are on there as well.
Carrier: Consumer Cellular (T mobile sim)
Bands 2 and 4
Does anyone know how to resolve ?

"#"#86583#*#*

Have you enabled volte with your carrier?

laviniu_c said:
"#"#86583#*#*
Click to expand...
Click to collapse
Thanks but already tried it before posting.
Tried again and restarted .... still 3g on calls.

-Protos said:
Hello all,
Recently purchased this phone.
As stated in the title I get 4g but when making or receiving a call default to 3g. Immediately back to 4g as soon as call over.
I disabled region check and Enhanced 4G LTE Mode toggle appeared in Mobile Network Settings. I enabled and restarted.
Also went into phone info using *#*#4636#*#* and all flags for voLTE are on there as well.
Carrier: Consumer Cellular (T mobile sim)
Bands 2 and 4
Does anyone know how to resolve ?
Click to expand...
Click to collapse
-Protos said:
Thanks but already tried it before posting.
Tried again and restarted .... still 3g on calls.
Click to expand...
Click to collapse
Maybe this can help you:
Download and install 4G Only Network Mode from Google Play Store.
Modify advanced network convigoration by opening the secret settings:
Click on Open Secret Settings
Under Set Preffered Network Type, choose LTE ONLY
This will automatically force your phone to exclusively connect to the 4G LTE only network.

akpe said:
Have you enabled volte with your carrier?
Click to expand...
Click to collapse
I called them, they did something on their end so now calls start in 3g but go the 'H" after a few seconds.
Probably still not volte but an improvement.
My understanding is that volte calls have an "HD" for this phone

-Protos said:
Thanks but already tried it before posting.
Tried again and restarted .... still 3g on calls.
Click to expand...
Click to collapse
volte carrier check needs to be "disabled" btw
try switching to airplane mode and back. also make sure you have your sim in sim1!
what country/carrier are you on?
---------- Post added at 11:53 PM ---------- Previous post was at 11:50 PM ----------
-Protos said:
I called them, they did something on their end so now calls start in 3g but go the 'H" after a few seconds.
Probably still not volte but an improvement.
My understanding is that volte calls have an "HD" for this phone
Click to expand...
Click to collapse
H is hspda, that's not volte...

-Protos said:
My understanding is that volte calls have an "HD" for this phone
Click to expand...
Click to collapse
Yes, you're right. When volte is enabled you should see an HD icon next to your signal strength icon. Just like this:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
After your carrier enables volte you should reboot if you haven't already. Volte is used only with 4G, so after the reboot you should get the HD icon when you're connected on 4G. To test it out (or if you are still on 3G/H) do the following:
Press *#*#86583#*#* on dialer until carrier check is disabled. If it says enabled, just type it in again.
Then press *#*#4636#*#* on dialer to start the hidden menu. Go to the first tab, I believe it's called phone information, and scroll down where its says preferred network type. Note down the default value (it should restore on reboot and flight mode, but just in case) and select LTE (or 4G if it's called that) only. You will lose signal for a moment, and then you should be back running in 4G. Obviously, you need to be on a location with good 4G coverage.
Then, just make a call. If it gets through without dropping the data connection (4G symbol stays on), you're on volte. Go back to *#*#4636#*#* to restore your preferred network type, and enjoy

I tried everything posted so far but no luck.
I have a nexus 5x on with an identical sim on the same network/towers that shows me lte over the bars.
This phone only shows me 4G ..... is the phone capable of displaying lte ?
When selecting preferred network type lte only. It will drop the call.

LTE is 4G. Each phone uses different symbols, but it's the same. The fact that it drops the call probably means that volte is not enabled... weird. Have you contacted your carrier about it?

https://forum.xda-developers.com/mi-a2/how-to/guide-volte-t-mobile-yes-actually-t3869677
I just figured it out. Just follow the guide.

Thanks for the post Daha3ker ..... I will see if anyone else tries it before giving it a go.
I am quite sure at this point its a network issue as it is also happening on my Nexus 5x (LTE then H during call)

Confirmed it is a network issue. They are sending me ATT sims to try.
The tech support wasn't the brightest bulb, she kept trying to convince me I need to be on wifi to place an LTE call.
After some passive aggressive attempts to convince me she finally told me T-mobile does not support volte with them.

VoLTE depends of the carrier, it has to be enabled on his network equipments.
Some carriers enable it per phone line (they have to enable it for your line)
Moreover, some carriers restrict VoLTE for specific devices. Here in France, Orange enable VoLTE only for Apple and Samsung devices...

youl_junior said:
Moreover, some carriers restrict VoLTE for specific devices. Here in France, Orange enable VoLTE only for Apple and Samsung devices...
Click to expand...
Click to collapse
What if you just use a Samsung or Apple device to enable it?
Here in Greece, Cosmote also enables VoLTE only for specific devices, Samsung, Apple and Huawei. The Mi A2 isn't one of them. But I managed to... side-enable it. I just inserted my sim card in a Huawei device and sent the text to enable it. They enabled it in my sim, and of course it still works after I moved the sim back to the A2
Στάλθηκε από το Mi A2 μου χρησιμοποιώντας Tapatalk

akpe said:
What if you just use a Samsung or Apple device to enable it?
Here in Greece, Cosmote also enables VoLTE only for specific devices, Samsung, Apple and Huawei. The Mi A2 isn't one of them. But I managed to... side-enable it. I just inserted my sim card in a Huawei device and sent the text to enable it. They enabled it in my sim, and of course it still works after I moved the sim back to the A2
Στάλθηκε από το Mi A2 μου χρησιμοποιώντας Tapatalk
Click to expand...
Click to collapse
Orange say that it is available and automatically enabled on Apple devices, and on Samsung devices which were purchased in Orange stores. So I think there is something special in phone rom.

Problem resolved. Was a carrier issue.
Required an ATT sim and add a new Access Point
* Note if using Consumer Cellular you will need the ATT sim for Volte.
Tmobile does not support Volte on CC as relayed by tech.
Thanks to all who posted.

-Protos said:
Problem resolved. Was a carrier issue.
Required an ATT sim and add a new Access Point
* Note if using Consumer Cellular you will need the ATT sim for Volte.
Tmobile does not support Volte on CC as relayed by tech.
Thanks to all who posted.
Click to expand...
Click to collapse
I have MetroPCS Sim in miA2 does it support VOLTE ?

Thanks bro best solution

Wifi calling and Volte

Hi. So I was having trouble with calls, signal drops, very annoying whooshing noises and so on. When I contacted the carrier they said let's turn VOLTE THEN WIFI CALLING. my wife and I have the p20 pro CLT-LO4 and neither of our phones have an option for volte or wifi calling. Contacted carrier(Koodo) I'm in canada. They said well it's suppose to be there reset you phone and check again. No dice then press *#*#4935#*#* and it does nothing. They say it's enabled on there end and don't have a solution... I called Huawei and they took my serial number and model and told me that it's the carrier 100%....

try this.
Open phone settings > Wireless & networks > Mobile network > both VoLTE calls and Wi-Fi calling settings should be there.
if you can't find, it is because the carrier disabled it in the rom. Try to unlock bootloader, root and flash an international rom to get it back.

When I talked to the carrier they assured that it was unlocked.
If you have a link on how to preform the tasks you said ide definately give it a try
Thank you

One question tho is it possible to brick the phone? Reason I'm asking is my wife's phone is 8 months old but I just switched from my s9 to this one 2 days ago so i can tech bring it back and get a refund but the problem is there isn't any other phones offered besides the p30 pro that compare and I would have to pay $690 down plus 20 a month for 24 months where as p20pro was $0 down and 15 a month.

If the carrier supports it, then you should have the option in settings. In my case, when I bought the phone only one of the two carriers that I have in each sim card was supporting WiFi calling. Now that both support it, I have it in the settings. The problem that I have found with WiFi calling though is that if you start a phone call through WiFi and you move to a place with bad reception, then the call is dropping. Also, if you are on a WiFi call and you go to a place where the wifi has no reception whatsoever, then again the call drops, instead of switching to normal call. In other words, whatever the way you make the call, you have to finish it. There is no switching during the call; this became really frustrating, so I now switched it to mobile network preferred
Sent from my CLT-L29 using Tapatalk

Alot of misinformation about this on the net.
Regardless of what your carrier says this is in fact a carrier issue.
If you simply swap sim cards to another carrier that DOES support these features on all phones with no restrictions then it will show up in the settings.

sinnedone said:
Alot of misinformation about this on the net.
Regardless of what your carrier says this is in fact a carrier issue.
If you simply swap sim cards to another carrier that DOES support these features on all phones with no restrictions then it will show up in the settings.
Click to expand...
Click to collapse
Exactly, line one doesn't have that option but SIM 2 does .
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"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
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"lightbox_toggle_sidebar": "Toggle sidebar"
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Sent from my EVR-L29 using Tapatalk

Limeybastard said:
Exactly, line one doesn't have that option but SIM 2 does .View attachment 4878505
Sent from my EVR-L29 using Tapatalk
Click to expand...
Click to collapse
This screenshot is from a Mate 20 X but the same thing shows up when I insert this sim into a P20 Pro.
(Oh....in the United States when you pop in a T-Mobile SIM you will have Volte toggle in settings but not on ATT)

sinnedone said:
This screenshot is from a Mate 20 X but the same thing shows up when I insert this sim into a P20 Pro.
(Oh....in the United States when you pop in a T-Mobile SIM you will have Volte toggle in settings but not on ATT)
Click to expand...
Click to collapse
T-Mobile SIM 1 , no volte toggle here thanks for the clarification. My post was primarily to reinstate your point about WiFi being carrier/SIM dependent.
Sent from my EVR-L29 using Tapatalk

quinnford said:
When I talked to the carrier they assured that it was unlocked.
If you have a link on how to preform the tasks you said ide definately give it a try
Thank you
Click to expand...
Click to collapse
I'll upload a video tutorial when i get back home tonight.

spiderx_mm said:
try this.
Open phone settings > Wireless & networks > Mobile network > both VoLTE calls and Wi-Fi calling settings should be there.
if you can't find, it is because the carrier disabled it in the rom. Try to unlock bootloader, root and flash an international rom to get it back.
Click to expand...
Click to collapse
hi i tried searching in google for the volte enable in my mobile device Huawei P20 Pro , my other sim says it is volte ready however the other sim volte radio button cant be seen i tried switching sims but everytime i switch sim the volte button will transfer leaving me a sim card tray with no volte does this mean that it is the carrier needs to enable volte? others say that i need to wait for update on my mobile device

My device has a model CLT-L29 Global version for Huawei P20 Pro EMUI version is 10.0.0 Android 10 and it says for this version there is no update for EMUI 11 so does this mean i can not use volte anymore or do i need to contact carrier for the volte to be enabled?

thanito said:
If the carrier supports it, then you should have the option in settings. In my case, when I bought the phone only one of the two carriers that I have in each sim card was supporting WiFi calling. Now that both support it, I have it in the settings. The problem that I have found with WiFi calling though is that if you start a phone call through WiFi and you move to a place with bad reception, then the call is dropping. Also, if you are on a WiFi call and you go to a place where the wifi has no reception whatsoever, then again the call drops, instead of switching to normal call. In other words, whatever the way you make the call, you have to finish it. There is no switching during the call; this became really frustrating, so I now switched it to mobile network preferred
Sent from my CLT-L29 using Tapatalk
Click to expand...
Click to collapse
I am also using CLT-L29 GLOBAL however only one sim has the wifi calling radio button enabled and hd calling but on sim 2 there is no volte calls radio button both sims are set to 4G i have tried switching sims but everytime i switch sims the sim that has volte calls radio button and wifi calling will move if i switch the sim cards the other sim tray no volte radio button will appear

Wi-Fi Calling in India?

Jio and Airtel seems to be enabling Wi-Fi calling in India. On the list of supported handsets Android One handsets like Mi A1, A2 and A3 are missing.
Is this hardware issue (Xiaomi is just not having the right hardware)? Or a software issue (wi-fi calling not supported by Android One software)? Or it's just that Jio and Airtel has not started support for these devices.

WiFi calling is supported on the Mi A2. But even if those carriers don't support it on the Mi A2 (some carriers support features on a limited range of devices) you can probably still use it.
First you need to find which devices are supported. Then find a friend who has one of those devices, take out your sim, put it in his/her phone, and enable the service (usually through text?).
When you put the sim back to your Mi A2 the service will still be enabled. Dial *#*#869434#*#* on your dialer to disable wifi calling check, then open Phone, go to settings, Calling accounts, select your operator, and you should get a Wi-Fi Calling Option.

akpe said:
WiFi calling is supported on the Mi A2. But even if those carriers don't support it on the Mi A2 (some carriers support features on a limited range of devices) you can probably still use it.
First you need to find which devices are supported. Then find a friend who has one of those devices, take out your sim, put it in his/her phone, and enable the service (usually through text?).
When you put the sim back to your Mi A2 the service will still be enabled. Dial *#*#869434#*#* on your dialer to disable wifi calling check, then open Phone, go to settings, Calling accounts, select your operator, and you should get a Wi-Fi Calling Option.
Click to expand...
Click to collapse
Thanks for detailed explanations.

akpe said:
WiFi calling is supported on the Mi A2. But even if those carriers don't support it on the Mi A2 (some carriers support features on a limited range of devices) you can probably still use it.
First you need to find which devices are supported. Then find a friend who has one of those devices, take out your sim, put it in his/her phone, and enable the service (usually through text?).
When you put the sim back to your Mi A2 the service will still be enabled. Dial *#*#869434#*#* on your dialer to disable wifi calling check, then open Phone, go to settings, Calling accounts, select your operator, and you should get a Wi-Fi Calling Option.
Click to expand...
Click to collapse
Thanks for the detail explanation.... Did you try and this worked? I checked with Jio and there is no activation needed (like Text message that you mentioned)
Also how to disable the WiFi calling check in *#*#869434#*#* this Code doesn't work for me.. Did you mean *#*#4636#*#*
Can you share more details as would love to have this working

eabhi said:
Thanks for the detail explanation.... Did you try and this worked? I checked with Jio and there is no activation needed (like Text message that you mentioned)
Also how to disable the WiFi calling check in *#*#869434#*#* this Code doesn't work for me.. Did you mean *#*#4636#*#*
Can you share more details as would love to have this working
Click to expand...
Click to collapse
Hello, sorry for the late reply.
I'm not in India, I just followed the same instructions and it worked for me.
The only way to disable vowifi/wifi calling check is by dialing *#*#869434#*#*. You don't get another screen after doing this, just a quick notification in the bottom of the screen indicating that wifi calling check is disabled. You can miss it if you don't know where to look. Dialing the number again will enable the check. Dialing a third time will disable it again, and so on.
*#*#4636#*#* just gets you into the advanced phone options menu. Do this, dial *#*#4636#*#* and when the menu appears go to the top option, should be phone options. Then scroll down and look at the checkbox next to "wifi calling". It should be like my screen here:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Text is in Greek, sorry about that, but the option is the fourth from the top. It should be greyed out, but enabled (slider to the right).
If it's not like that, dial *#*#869434#*#* one more time and check again.

Update: I was able to enable VoWiFi using the *#*#869434#*#* code after the Android 10 update for Jio.
But when on VoWiFi call, my voice does not seem to reach the other end, so I have disabled it now.
Wish there was a way to fix it.

bluishguru said:
Update: I was able to enable VoWiFi using the *#*#869434#*#* code after the Android 10 update for Jio.
But when on VoWiFi call, my voice does not seem to reach the other end, so I have disabled it now.
Wish there was a way to fix it.
Click to expand...
Click to collapse
Well that sounds good, maybe something to do with enabling from Operators end.
Would recommend that you check after some days or a month or so to see if it is working better
BTW how did you enable WiFi calling, using the process suggested in the thread or it directly appeared after Android 10 update?

eabhi said:
Well that sounds good, maybe something to do with enabling from Operators end.
Would recommend that you check after some days or a month or so to see if it is working better
BTW how did you enable WiFi calling, using the process suggested in the thread or it directly appeared after Android 10 update?
Click to expand...
Click to collapse
Using the process mentioned.
BTW I also think since my voice was not going, it might be because of the asymmetric Upload and Download speeds of most service providers.
Not sure if there is a minimum speed requirements over WiFi.

bluishguru said:
Using the process mentioned.
BTW I also think since my voice was not going, it might be because of the asymmetric Upload and Download speeds of most service providers.
Not sure if there is a minimum speed requirements over WiFi.
Click to expand...
Click to collapse
Facing the same issue. I don't think it has anything to do with asymmetric internet bandwidth. The issue is on the Jio side, which they need to fix. As I understand, Mi A2 WiFi calling works fine on Airtel network.

RLOA said:
Facing the same issue. I don't think it has anything to do with asymmetric internet bandwidth. The issue is on the Jio side, which they need to fix. As I understand, Mi A2 WiFi calling works fine on Airtel network.
Click to expand...
Click to collapse
Yes, I heard the same thing and switched networks from Jio to Airtel. If a provider does not want to support my phone, I cannot support the provider. WiFi calling does work on Airtel, most of the times, sometimes it gets stuck (voice not clear even with perfect WiFi network), I simply reboot the phone and it works again.