Develop Bugs

VoLTE notification

I turned on enhanced LTE in cellular networks to turn on VoLTE but I keep getting a notification for it. Is there something else I need to do? It seems to only pop up when I'm on Wi-Fi. Pic attached
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As for as I know the Oneplus 3 does NOT support VoLTE. However, it's interesting to see this notification. Does anyone know more about that?

Dabarr said:
As for as I know the Oneplus 3 does NOT support VoLTE. However, it's interesting to see this notification. Does anyone know more about that?
Click to expand...
Click to collapse
Just that there's an enhanced LTE option in the settings menu and it pops up when I turn it on.
Sent from my ONEPLUS A3000 using Tapatalk

Well, just did a very quick research and it turns out the it does support VoLTE on T-Mobile, but I guess that statement is for the US only.
Is there any way to find out if that is also valid for the German T-Mobile and/or other networks, since we use other bands too? (I don't have the phone yet).

Dabarr said:
Well, just did a very quick research and it turns out the it does support VoLTE on T-Mobile, but I guess that statement is for the US only.
Is there any way to find out if that is also valid for the German T-Mobile and/or other networks, since we use other bands too? (I don't have the phone yet).
Click to expand...
Click to collapse
I'm on T-Mobile USA. It just keeps popping up when I'm on Wi-Fi which is kind of annoying. Guess I can just block the notification.
Sent from my ONEPLUS A3000 using Tapatalk

Dabarr said:
Well, just did a very quick research and it turns out the it does support VoLTE on T-Mobile, but I guess that statement is for the US only.
Is there any way to find out if that is also valid for the German T-Mobile and/or other networks, since we use other bands too? (I don't have the phone yet).
Click to expand...
Click to collapse
You are wrong. It supports VoLTE globally. I am using it in India.

I had those information from some reviews that stated it couldn't. Apperently the providers have to unlock each specific phone type to use VoLTE. T-mobile germany didn't so it yet and have currently no plans to do it for oneplus 3 nor even nexus.

stab244 said:
I'm on T-Mobile USA. It just keeps popping up when I'm on Wi-Fi which is kind of annoying. Guess I can just block the notification.
Sent from my ONEPLUS A3000 using Tapatalk
Click to expand...
Click to collapse
I had to "enable" VoLTE on my MotoX PE (on T-Mobile USA) and I am wondering if you need to do the same... Not sure if this will work on a OnePlus 3 but try this sequence from the phone dial pad: *#*#4636#*#*
this will either do nothing, or enable a hidden (testing) menu (I am not sure if this is baked into Android or device-specific, but you will see). If you get the "testing" menu, go into "Phone Info" and scroll down to "Turn On VoLTE Provisioning Flag" and tap once (if it says "Turn OFF..." try toggling off then back on).
I am considering the OnePlus 3 (on T-Mobile in US) and would like to hear your feedback. On a side note, do you know if Wifi-Calling works for you? Try enabling "Airplane Mode" and then turning on Wifi and making a call... Also, I have heard you should have "WiFi-Calling" in your Settings if it is supported? Thanks in advance for your response!

ech1253 said:
I had to "enable" VoLTE on my MotoX PE (on T-Mobile USA) and I am wondering if you need to do the same... Not sure if this will work on a OnePlus 3 but try this sequence from the phone dial pad: *#*#4636#*#*
this will either do nothing, or enable a hidden (testing) menu (I am not sure if this is baked into Android or device-specific, but you will see). If you get the "testing" menu, go into "Phone Info" and scroll down to "Turn On VoLTE Provisioning Flag" and tap once (if it says "Turn OFF..." try toggling off then back on).
I am considering the OnePlus 3 (on T-Mobile in US) and would like to hear your feedback. On a side note, do you know if Wifi-Calling works for you? Try enabling "Airplane Mode" and then turning on Wifi and making a call... Also, I have heard you should have "WiFi-Calling" in your Settings if it is supported? Thanks in advance for your response!
Click to expand...
Click to collapse
Couldn't toggle the option in the testing menu. It would still say turn off no matter how much I pressed it. And no Wi-Fi calling.
Sent from my SHIELD Tablet K1 using Tapatalk

can someone screenshot me where this is? I have no "enhanced LTE" in mobile networks on my op3 eu version

stab244 said:
Couldn't toggle the option in the testing menu. It would still say turn off no matter how much I pressed it. And no Wi-Fi calling.
Sent from my SHIELD Tablet K1 using Tapatalk
Click to expand...
Click to collapse
If it defaults to read "Turn Off" then it is turned on (enabled in software)... That's too bad about Wifi-Calling... That's a feature every new device should be able to support...

Do you stay on LTE when making calls? (T-Mobile)

Pat123 said:
You are wrong. It supports VoLTE globally. I am using it in India.
Click to expand...
Click to collapse
Anyone using the OP3 on Reliance Jio network in India,
Is VoLTE working?

Tapur007 said:
Anyone using the OP3 on Reliance Jio network in India,
Is VoLTE working?
Click to expand...
Click to collapse
Yes, I have been using it on JIO from Day 1. Ofcourse, you have to set the other Sim to 2G or 3G mode and use JIO sim for Data in Settings. Works alright after that.

charlieb620 said:
Do you stay on LTE when making calls? (T-Mobile)
Click to expand...
Click to collapse
It stays on LTE when I make a call.
Edit: Of note LTE discovery says I'm on band 4 when I made that call. I thought VoLTE for T-Mobile was over band 12 only?
Sent from my ONEPLUS A3000 using Tapatalk

Anyone found a solution to actually turn off this notification?
We all agree it has VOLTE but the OP wanted to know how to get
rid of this message and so do I!

charlieb620 said:
Do you stay on LTE when making calls? (T-Mobile)
Click to expand...
Click to collapse
VoLTE works great on T-Mobile!

​
Armeniandave said:
Anyone found a solution to actually turn off this notification?
We all agree it has VOLTE but the OP wanted to know how to get
rid of this message and so do I!
Click to expand...
Click to collapse
Hi there I had that notification while ke on wifi, I just swyped it away and have not seen it back since. Will report if it appears back.

You have to change your APN to T-Mobile IPV6 and it will go away. I'm on T-Mobile and I am getting volte.

blinkme2028 said:
You have to change your APN to T-Mobile IPV6 and it will go away. I'm on T-Mobile and I am getting volte.
Click to expand...
Click to collapse
Didn't work for me. Still have the notification. And it keeps popping back when I clear it out and connect to the LTE network.
Sent from my ONEPLUS A3000 using Tapatalk

2nd SIM losing network when activating 1st SIM data [3.2.7 stock]

I am currently using 2 SIMs.
1. Vodafone 3G
2. Reliance Jio 4G LTE
Now when I set "SIM 1 (Vodafone)" as preferred SIM for Cellular Data, my 2nd SIM loses network.
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When I switch it to 2nd SIM, Both SIMs have network.
Anyone else have this issue? Whats the workaround?
I am on Stock 3.2.7 Rooted.

No idea, but u tried switching the Sims around in the sim tray.. maybe one is more suited to 4g than the other!?!
Sent from my ONEPLUS A3003 using Tapatalk

omkarroxx said:
I am currently using 2 SIMs.
1. Vodafone 3G
2. Reliance Jio 4G LTE
Now when I set "SIM 1 (Vodafone)" as preferred SIM for Cellular Data, my 2nd SIM loses network.
When I switch it to 2nd SIM, Both SIMs have network.
Anyone else have this issue? Whats the workaround?
I am on Stock 3.2.7 Rooted.
Click to expand...
Click to collapse
i use same sim cards and same slots as u and i have same problem. im in aicp nougat rom.
i dont think its because of our rom or phone. it maybe related to network too. checked on asus phone and it had the same issue

ohyesman said:
No idea, but u tried switching the Sims around in the sim tray.. maybe one is more suited to 4g than the other!?!
Sent from my ONEPLUS A3003 using Tapatalk
Click to expand...
Click to collapse
I will try that tomorrow morning. DOn't think it will make any difference though.
mkr2511 said:
i use same sim cards and same slots as u and i have same problem. im in aicp nougat rom.
i dont think its because of our rom or phone. it maybe related to network too. checked on asus phone and it had the same issue
Click to expand...
Click to collapse
Wow are you sure? If it is then its kind of a serious issue though.
I dont understand how it can be network related though?

omkarroxx said:
Wow are you sure? If it is then its kind of a serious issue though.
I dont understand how it can be network related though?
Click to expand...
Click to collapse
yes im sure. just switch the sim cards. put vodafone in sim 2 and jio in sim 1. now activate the jio for cellular network. if the problem is with phone or rom, the 2nd sim should lose network right? but it doesnt. it works fine. this problem is only seen with jio.
and i had the same issue while using in asus phone with other jio sim card and airtel

mkr2511 said:
yes im sure. just switch the sim cards. put vodafone in sim 2 and jio in sim 1. now activate the jio for cellular network. if the problem is with phone or rom, the 2nd sim should lose network right? but it doesnt. it works fine. this problem is only seen with jio.
and i had the same issue while using in asus phone with other jio sim card and airtel
Click to expand...
Click to collapse
So putting Vodafone in SIM 2, and then using Vodafone as preferred cellular data won't drop Jio's network? You tried this?

omkarroxx said:
So putting Vodafone in SIM 2, and then using Vodafone as preferred cellular data won't drop Jio's network? You tried this?
Click to expand...
Click to collapse
i've tried that too. it will drop the network.. jio needs to be chosen for cellular data to get network.
so its nothing related to phone or rom.

mkr2511 said:
i've tried that too. it will drop the network.. jio needs to be chosen for cellular data to get network.
so its nothing related to phone or rom.
Click to expand...
Click to collapse
But I dont get it still. We are choosing "Preferred Cellular Data" when data is turned on. Why does the whole network is lost just for choosing "preferred" option? How can this be network related.
Any ROM experts around?

omkarroxx said:
But I dont get it still. We are choosing "Preferred Cellular Data" when data is turned on. Why does the whole network is lost just for choosing "preferred" option? How can this be network related.
Any ROM experts around?
Click to expand...
Click to collapse
the reason behind this is jio doesnt have gsm or wcdma networks yet like other network operators. so it has to use lte for both data and calls. i hope u know how calls over lte work.
check the link below for explanation http://indianexpress.com/article/technology/tech-news-technology/reliance-jio-4g-volte-technology-heres-how-voice-calls-will-work/

mkr2511 said:
the reason behind this is jio doesnt have gsm or wcdma networks yet like other network operators. so it has to use lte for both data and calls. i hope u know how calls over lte work.
check the link below for explanation http://indianexpress.com/article/technology/tech-news-technology/reliance-jio-4g-volte-technology-heres-how-voice-calls-will-work/
Click to expand...
Click to collapse
You are not getting what I am saying.
I am not saying Jio should use GSM.
We are setting up "Preferred Cellular Data" which when turned on, it should use either Jio/Vodafone. We are not activating GSM network mode on Jio SIM. The thing you are saying is:
Edit: I understood what the problem is from other forum. Thanks for your input

omkarroxx said:
You are not getting what I am saying.
I am not saying Jio should use GSM.
We are setting up "Preferred Cellular Data" which when turned on, it should use either Jio/Vodafone. We are not activating GSM network mode on Jio SIM. The thing you are saying is:
Click to expand...
Click to collapse
bro seriously read that link 1st. it answers all your questions..

mkr2511 said:
bro seriously read that link 1st. it answers all your questions..
Click to expand...
Click to collapse
Yeah I did not know that in our phone we can only use 1 SIM active as data and other can not be used.
Thanks for your input.

When I roam around remote areas with weak Signal zone , I did experience what you are saying ... switching data and other sim signals would vanish . So I use to disable data first and later turn it on that way signals would stay . I.e.
Disable data
Switch sim data
Turn on data .
P.s. Everyone network has a fallback even if we don't use LTE ,networks fallback to device / network supported typed

omkarroxx said:
I am currently using 2 SIMs.
1. Vodafone 3G
2. Reliance Jio 4G LTE
Now when I set "SIM 1 (Vodafone)" as preferred SIM for Cellular Data, my 2nd SIM loses network.
When I switch it to 2nd SIM, Both SIMs have network.
Anyone else have this issue? Whats the workaround?
I am on Stock 3.2.7 Rooted.
Click to expand...
Click to collapse
Just for your info it has nothing to do with OP3 or any custom rom, It's JIO which h is an all time 4G network.
So when u chose data on any simcard apart rom the JIO the 4G band shifts to that particular sim be it idea Voda airtel, JIO will loose network as the band on that slot is 2g/3g.
Sent from my ONEPLUS A3003 using Tapatalk

no one can resolve.
ok,
faced same issue in my oneplus 3,
and it is there in every phone, and no one cant resolve it.
actually jio use its data network to make call, receive call and send sms, so if you change your network connection to any other sim, it will lose all its services.
so if you want to use both sim, your data connection must be connected with jio sim.

VOLTE

So I stumbled on the fact the Note 10+ has this feature out of the box a few days ago. It's not in the usual spot for Samsung for me, but when I flipped it on it worked. I've changed nothing, but it no longer turns on (reboot, airplane mode, PRL and Profile Updates. Switch goes to On, It tells me how amazing VOLTE is, but then I don't get the VOLTE symbol in the status bar and still loose data on a call.
Anyone else experience this?

Well for anyone who cares, I have a Sprint Magic Box. I've seen mixed information on it, some places stating that the older Generation units will support VOLTE and it's been rolling out since nearly a year ago, other sites stating only the Gen 3 support it.
I contacted Sprint and they seem to claim the later, that only the Gen 3 supports it. Since I have a Gen 2 they are setting up to swap me to a Gen 3.
So FYI if you have Sprint and no VOLTE, this might be why. If you have Sprint and have VOLTE on a Gen 1 or Gen 2, definitely congrats on hitting the lottery!
Only other thing I can think of is they started updating older units and had issues and stopped. I've had the Gen 2 exactly a year and a couple days.
Edit: From further reading, the magic box software that supports VOLTE is 15.15.50.514 which mine has and it does not support VOLTE. So *shrug* not sure what happened.

I have Sprint and have VoLTE
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odd, the exynos EU/UK version doesn't have a VOLTE symbol but VOLTE works fine on THREE UK out of the box.

I have the unlocked 10+, I have VOLTE on, can place calls and use internet without and issue, but no VOLTE symbol in status bar. Using Xfinity Mobile(Verizon towers).

For my brother's and sisters with an unlocked phone and on AT&T there is hope for us to get VoLTE without wonky work arounds.
I called and called and called and finally got transfered to someone who could do something. Basically AT&T will at first tell you that features like Wifi calling and HD Voice (VoLTE) are only available on AT&T certified devices aka phones you bought from them.
However what they won't tell you is that if you press them hard enough and get the right person they will add your note 10 plus IMEI number to their internal IMEI devices database that allows your phone to get all those sevices.
Now it's not instant they will advise it takes between 24-48 hours and for me it took about 30 but as I was sitting here about 20 min ago I got a notification about a carrier services update and after it applied it I had the VoLTE toggle and wifi calling toggle on my unlocked note 10 plus. I of course turned them on right away and after confirming my e911 address I had wifi calling and shortly after VoLTE started to work.
The difference in call quality between standard cellular and VoLTE blew my damn mind. It's a real shame AT&T plays these games but you can get your IMEI added and get a the features without having to flash the att firmware or do sim swaps.
I haven't tried making a video call as all my contacts have iPhones but supposedly it's enabled now too

ianmb said:
I have Sprint and have VoLTEView attachment 4812055
Sent from my SM-N975U using Tapatalk
Click to expand...
Click to collapse
With a Gen 1 or Gen 2 magic box? Otherwise you missed the point of the thread entirely.

Now if they could just enable VoLTE on the Galaxy Watch...

mikey_sk said:
odd, the exynos EU/UK version doesn't have a VOLTE symbol but VOLTE works fine on THREE UK out of the box.
Click to expand...
Click to collapse
The UK version from Samsung does have the symbol, I changed fro EE to 3 over the last couple of days, when I was on EE I got the volte symbol but on 3 I don't, so while the option enables I'm not sure it's actually working. But the same is true with EE I always had 4G+ but on three I only get basic 4G.

Belimawr said:
The UK version from Samsung does have the symbol, I changed fro EE to 3 over the last couple of days, when I was on EE I got the volte symbol but on 3 I don't, so while the option enables I'm not sure it's actually working. But the same is true with EE I always had 4G+ but on three I only get basic 4G.
Click to expand...
Click to collapse
I can confirm VOLTE and WiFi calling works perfectly on three. When u place a call the 4g symbol remains as 4g which is basically a VOLTE call.

edstreiff said:
For my brother's and sisters with an unlocked phone and on AT&T there is hope for us to get VoLTE without wonky work arounds.
I called and called and called and finally got transfered to someone who could do something. Basically AT&T will at first tell you that features like Wifi calling and HD Voice (VoLTE) are only available on AT&T certified devices aka phones you bought from them.
However what they won't tell you is that if you press them hard enough and get the right person they will add your note 10 plus IMEI number to their internal IMEI devices database that allows your phone to get all those sevices.
Now it's not instant they will advise it takes between 24-48 hours and for me it took about 30 but as I was sitting here about 20 min ago I got a notification about a carrier services update and after it applied it I had the VoLTE toggle and wifi calling toggle on my unlocked note 10 plus. I of course turned them on right away and after confirming my e911 address I had wifi calling and shortly after VoLTE started to work.
The difference in call quality between standard cellular and VoLTE blew my damn mind. It's a real shame AT&T plays these games but you can get your IMEI added and get a the features without having to flash the att firmware or do sim swaps.
I haven't tried making a video call as all my contacts have iPhones but supposedly it's enabled now too
Click to expand...
Click to collapse
I've been on the phone with them (AT&T) for the last 4 hours! They had the WIFI Calling working, but when I called back about the video calling and VLOTE they screwed my Wifi Calling back up. They went on to tell me about how my IMEI isn't showing up as a Note 10, but some other device named Nubia or something. I know it can be done, because I had it done with my Note 9. I had enough for today, I'll try again tomorrow!

edstreiff said:
For my brother's and sisters with an unlocked phone and on AT&T there is hope for us to get VoLTE without wonky work arounds.
I called and called and called and finally got transfered to someone who could do something. Basically AT&T will at first tell you that features like Wifi calling and HD Voice (VoLTE) are only available on AT&T certified devices aka phones you bought from them.
However what they won't tell you is that if you press them hard enough and get the right person they will add your note 10 plus IMEI number to their internal IMEI devices database that allows your phone to get all those sevices.
Now it's not instant they will advise it takes between 24-48 hours and for me it took about 30 but as I was sitting here about 20 min ago I got a notification about a carrier services update and after it applied it I had the VoLTE toggle and wifi calling toggle on my unlocked note 10 plus. I of course turned them on right away and after confirming my e911 address I had wifi calling and shortly after VoLTE started to work.
The difference in call quality between standard cellular and VoLTE blew my damn mind. It's a real shame AT&T plays these games but you can get your IMEI added and get a the features without having to flash the att firmware or do sim swaps.
I haven't tried making a video call as all my contacts have iPhones but supposedly it's enabled now too
Click to expand...
Click to collapse
AT&T says there is no way to get that at all.

it's possible
razieltov said:
AT&T says there is no way to get that at all.
Click to expand...
Click to collapse
I had to call in a number of times before I finally got someone who knew what to do. They have a BYOD device program and getting the IMEI added is part of that program.
I am running the unlocked firmware, with AT&T service and I have all advanced features like VoLTE and Wifi calling.

edstreiff said:
For my brother's and sisters with an unlocked phone and on AT&T there is hope for us to get VoLTE without wonky work arounds.
I called and called and called and finally got transfered to someone who could do something. Basically AT&T will at first tell you that features like Wifi calling and HD Voice (VoLTE) are only available on AT&T certified devices aka phones you bought from them.
However what they won't tell you is that if you press them hard enough and get the right person they will add your note 10 plus IMEI number to their internal IMEI devices database that allows your phone to get all those sevices.
Now it's not instant they will advise it takes between 24-48 hours and for me it took about 30 but as I was sitting here about 20 min ago I got a notification about a carrier services update and after it applied it I had the VoLTE toggle and wifi calling toggle on my unlocked note 10 plus. I of course turned them on right away and after confirming my e911 address I had wifi calling and shortly after VoLTE started to work.
The difference in call quality between standard cellular and VoLTE blew my damn mind. It's a real shame AT&T plays these games but you can get your IMEI added and get a the features without having to flash the att firmware or do sim swaps.
I haven't tried making a video call as all my contacts have iPhones but supposedly it's enabled now too
Click to expand...
Click to collapse
Can ou provide several screenshots of proof you have it On? and what are the steps you have to mention to the customer service or their technician?

TechGoon954 said:
I've been on the phone with them (AT&T) for the last 4 hours! They had the WIFI Calling working, but when I called back about the video calling and VLOTE they screwed my Wifi Calling back up. They went on to tell me about how my IMEI isn't showing up as a Note 10, but some other device named Nubia or something. I know it can be done, because I had it done with my Note 9. I had enough for today, I'll try again tomorrow!
Click to expand...
Click to collapse
i am on an unlocked samsung note 10 plus, i flashed userdata from AT&T and i have wifi calling working but i dont know about video calling or volte. i dont see a volte toggle but is that the only way to confirm? not sure about video calling..i dont have anyone i know who has a device with video calling on att? suggestions? how can i confirm if VOLTE is working?

mikey_sk said:
I can confirm VOLTE and WiFi calling works perfectly on three. When u place a call the 4g symbol remains as 4g which is basically a VOLTE call.
Click to expand...
Click to collapse
Wow! I never realized this. I tested what you said and I can be on a call and the 4G symbol stays active, so I assume I am using VOLTE as well?
Oddly, I do not have an option in the Mobile networks to turn on or off VOLTE. I'm using a Sprint purchased, unlocked Note 10 plus on MetroPCS.

sammad1 said:
Wow! I never realized this. I tested what you said and I can be on a call and the 4G symbol stays active, so I assume I am using VOLTE as well?
Oddly, I do not have an option in the Mobile networks to turn on or off VOLTE. I'm using a Sprint purchased, unlocked Note 10 plus on MetroPCS.
Click to expand...
Click to collapse
Great so it's working. In the UK they don't have a symbol saying VOLTE the icon remains as 4G on a call same in Japan and Korea. Sometimes it may say HD by the mins and sec call timer

mikey_sk said:
Great so it's working. In the UK they don't have a symbol saying VOLTE the icon remains as 4G on a call same in Japan and Korea. Sometimes it may say HD by the mins and sec call timer
Click to expand...
Click to collapse
Correct, I get the "HD+" next to mins and sec like you said. Just don't have the option and do not see VOLTE anywhere. I'm perplexed why some have the option to toggle VOLTE under connections, and some do not. But I guess the important thing is it's apparently working

sammad1 said:
Correct, I get the "HD+" next to mins and sec like you said. Just don't have the option and do not see VOLTE anywhere. I'm perplexed why some have the option to toggle VOLTE under connections, and some do not. But I guess the important thing is it's apparently working
Click to expand...
Click to collapse
It's an unlocked non carrier device and the USA networks are well known to behave in odd ways such as compelling Samsung to make carrier specific software and bloat on devices. Maybe its to do with that. Most global GSM networks are significantly more 'chilled' that the USA networks. Its quite laughable in some ways

Note 10+ newbie here. I have a MOW N975F which is unlocked, but not the unlocked US version from Samsung.
I came from a Note 8 and on that phone I had called them and given them an IMEI of a real ATT sold phone and upon reboot, I got the Volte toggles, but no WiFi Calling toggle and video calling does not work on the Note 10.
So when I switched the SIM to the Note 10, I too get the 4G icon instead of the 4G-LTE like on the Note 8 previously. Volte seems present, but Video calling does not work on the Note 10. It tires to place a call and quickly terminates with some kind of network error.
I did not yet attempt to call T again and have them change to the Note 10+ IMEI under their BYOD program.
I am wondering if anyone has come up with a method to get the real AT&T CSC? On my Note 8, someone pointed me to CSCSelection_S7_S8_V1.2.5_Note 8.zip and that worked perfectly. Seems there is no more OMC directory on the Note 10 and the above did not do anything.
Might there be a way to flash through ODIN the AT&T CSC stuff from a T ROM?

Question Volte

Has anyone had this working yet, does it even have an icon to show its on because my network provided said the Pixel 6 has no option in the menu, does it even show on the phone if its working/on?

VoLTE is working fine with EE in the UK. There are no signs it is working from what I can see, except for the fact it stays on 4G rather than drop to 3G. I've had HD calls (shows the tiny HD icon when the call connects) on 4G as well.

You can check using the phone service menu (*#*#4636#*#* or a version of the same... I always have to check!).
Mine shows volte provision as on (EE UK)

Mine is greyed out
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Shipoftheline said:
Mine is greyed outView attachment 5445219
Click to expand...
Click to collapse
It depends on your carrier.
Some offer the ability to activate it on your own (call a number, send an SMS), some activate it automatically, some won't even give you the ability to deactivate it/activate it yourself.
It needs to be activated and attached into the carriers system as an information that it's activated for your contract.
Are you sure that VoLTE is activated properly?
I have no problems with activating it on my phone.

Morgrain said:
Are you sure that VoLTE is activated properly?
I have no problems with activating it on my phone.
Click to expand...
Click to collapse
I've been in touch with them today and Volte is active on their side but I've got no option

Same problem here ... Youfone network in Belgium ...
VoLTE works fine when I put the SIM card in my OnePlus 8 phone.
VoLTE does not work on the P6P if I insert the SIM card there.
I chatted to a Google support guy, he said it definitely is the provider whi must change something ... they claim the P6P supports VoLTE properly ...
But that is strange to me ... why would the SIM card have VoLTE in OnePlus phone and not in P6P? Could the provider really fix that? I doubt it ... but I am not a VoLTE specialist. I will contact provider anyway to see what they have to say.

Hmm ... I checked my provider's website ... they (explicitly) say that VoLTE is availabe for the following phone brands: Apple, Huwai, LG, OnePlus, Samsung, Sony, Nokia, Oppo. So maybe indeed the provider has to "activate" it for specific models/phones ...

I'm told after checking settings that Volte is switched on in fact it can't be turned off due to the carrier config file, greyed out on 'yes' however no Volte working.
The phone supports all the bands so this has to be an issue with the phone itself

Morgrain said:
Are you sure that VoLTE is activated properly?
I have no problems with activating it on my phone.
Click to expand...
Click to collapse
No option for Volte and carrier confirms this, Google has hidden it for some reason

Hmm ... see attach. Same issue here. VoLTE works on my OnePlus, does not work on P6P. Chatted with Google support (see attach); they claim it is the provider who has to activate it for the P6P model (which I find strange). I will check with my provider (but I'm pretty sure they will bounce me back to Google). Ping pong.

So I hate volte because if my phone signal is weak and it decides to call over data the call gets all distorted and robot like if you know what I mean!! So I always turn this feature off, normally! Been a Samsung user for years and always had a setting to turn volte off via the SIM/network menu, well as it seems I've had a few of the distorted calls and gone to turn of volte but not a setting in sight and I think I may have figured it out. Seeing this post triggered me look into it deeper and after using that phone code above to establish that the carrier volte setting is switched on but greyed out, as somebody posted above made me switch my SIM to My S20 and check the volte and I can confirm that although the mobile provider has it switched on permanently for active Sims the phone has the hardware to switch it off.
If you look at the screenshot from my Pixel 6 Pro and read what toggling the WiFi Calling switch does, it actually states "When Wi-Fi calling is on, your phone can route calls via Wi-Fi networks OR YOUR MOBILE'S NETWORK"
What I take from that is the toggle on/off is for both WiFi Calling and volte at the same time and we can't have them as independent switches like on my S20 and probably other phones. It makes sense as to why none of us can turn it off, which is cr*p. Especially when my mobile signal is dodgy in my house so I relay on WiFi Calling and sometimes as I have 2 AP's I could have low WiFi signal so it decides to use volte but my mobile signal is also weak thus making my robot distorted calls to happen. I'll be sending feedback via about/send feedback to Google and just hope somebody picks up on it.
Do you agree?
Unless I'm missing something then appolgies for waisting your time.
If you do agree please could you send feed back to Google via "settings/about phone/send feedback about his device" as the more reports they get we have a better chance of the toggles being separated.

m1ckbr1t said:
If you look at the screenshot from my Pixel 6 Pro and read what toggling the WiFi Calling switch does, it actually states "When Wi-Fi calling is on, your phone can route calls via Wi-Fi networks OR YOUR MOBILE'S NETWORK"
Click to expand...
Click to collapse
I don't even have a setting 'Wifi calling' ... so I guess this is present in your case exactly because VoLTE is enabled.

foobar66 said:
I don't even have a setting 'Wifi calling' ... so I guess this is present in your case exactly because VoLTE is enabled.
Click to expand...
Click to collapse
Have you opened settings and searched for wi-fi calling?? See screen shot. I'm guessing you have and if it's not there then possibly your network provider doesn't support either... Is your phone on the latest firmware?

m1ckbr1t said:
Have you opened settings and searched for wi-fi calling?? See screen shot. I'm guessing you have and if it's not there then possibly your network provider doesn't support either... Is your phone on the latest firmware?
Click to expand...
Click to collapse
I do not have a setting when I search for "Wifi call". My phone is on the latest (November) firmware.

foobar66 said:
I do not have a setting when I search for "Wifi call". My phone is on the latest (November) firmware.
Click to expand...
Click to collapse
That's strange and does your mobile network support both WiFi Calling and VoLTE services? If so then all I could possibly suggest is maybe a factory reset, making sure all your data is backed up first of course. It's a bit drastic I know but sometimes it does fix issues especially if the update missed some steps out when it was applied.

m1ckbr1t said:
That's strange and does your mobile network support both WiFi Calling and VoLTE services? If so then all I could possibly suggest is maybe a factory reset, making sure all your data is backed up first of course. It's a bit drastic I know but sometimes it does fix issues especially if the update missed some steps out when it was applied.
Click to expand...
Click to collapse
Well, VoLTE for sure, when I put the SIM card in my OnePlus phone I have VoLTE (not wifi calling; that may be the reason why I don't see the entry in settings).

foobar66 said:
Well, VoLTE for sure, when I put the SIM card in my OnePlus phone I have VoLTE (not wifi calling; that may be the reason why I don't see the entry in settings).
Click to expand...
Click to collapse
Quite possibly, like you can't have one without the other... If I'm correct that they have a joint on/off switch I really hope Google fix it. Hope you manage to get something sorted.

This is a carrier setting first and foremost. My phone came with it enabled on EE here in the UK, but not explicitly. I have Wifi Calling enabled on my phone as well, and I believe that works for wideband voice calls.
I've tried both VoLTE (unmarked in status bar, just as "HD" in call log) and VoWifi, both seem to work with my P6P.

Update: I've had one call where its shown as HD (Volte) on my call log even though the areas I go are all covered by Volte so I'm going to guess this is down to the rather poor modem on this handset which shows weak signal strength compared to my last handout (Oneplus 8 Pro)

Question 5g connectivity

Not sure if it has been addressed, but has anyone here in the states been able to connect to band n41 for 5g on TMobile? Phones says it is 5g ready on TMobile but all I get is 4g+. Which btw is getting me 100+ dl speeds on average, but just wanted to know if there is something I'm missing to get 5g. In preferred network settings,all I can choose is 4g/ LTE or 3g/2g. No 5g option. Any help would be greatly appreciated.

diopskill said:
Not sure if it has been addressed, but has anyone here in the states been able to connect to band n41 for 5g on TMobile? Phones says it is 5g ready on TMobile but all I get is 4g+. Which btw is getting me 100+ dl speeds on average, but just wanted to know if there is something I'm missing to get 5g. In preferred network settings,all I can choose is 4g/ LTE or 3g/2g. No 5g option. Any help would be greatly appreciated.
Click to expand...
Click to collapse
Which model of the phone do you have? I have the Chinese variant on Metro and 5G works flawlessly. I know they run on T-Mobile towers so they should have the same bands, I'm guessing, or maybe not.

Music&Art said:
Which model of the phone do you have? I have the Chinese variant on Metro and 5G works flawlessly. I know they run on T-Mobile towers so they should have the same bands, I'm guessing, or maybe not.
Click to expand...
Click to collapse
Thanks for the reply. I have the global version. What happened when you first inserted your sim card? Mine said downloading network info or something.

Music&Art said:
Which model of the phone do you have? I have the Chinese variant on Metro and 5G works flawlessly. I know they run on T-Mobile towers so they should have the same bands, I'm guessing, or maybe not.
Click to expand...
Click to collapse
Yes I believe they have the same bands. I cannot get the preferred network to show 5g as an option. What area are you in? I'm in the Philadelphia area.

diopskill said:
Thanks for the reply. I have the global version. What happened when you first inserted your sim card? Mine said downloading network info or something.
Click to expand...
Click to collapse
I had to chat with one of the employees there to give them the new IMEI number so they could switch the phone in my account. When I first put the sim in, it actually told me that the sim card was not accepted since it was a China mainland phone. I almost thought I wasted my money and could not keep the phone. The 5g option was there from the beggining though but I was getting no signal at all. I finally found the network reset option after the employee suggested it and reset the network, restarted the phone and it finally worked. Also voLTE works as well. Up until this phone, I tried a global Mate 40 Pro and MI 11 Ultra and neither of them had that option available. Not sure why.
Also, on this version it doesn't even say the preferred network option. If I go under Mobile Network & Sim 1 that's where it shows 5g and I can toggle it on or off.

Music&Art said:
I had to chat with one of the employees there to give them the new IMEI number so they could switch the phone in my account. When I first put the sim in, it actually told me that the sim card was not accepted since it was a China mainland phone. I almost thought I wasted my money and could not keep the phone. The 5g option was there from the beggining though but I was getting no signal at all. I finally found the network reset option after the employee suggested it and reset the network, restarted the phone and it finally worked. Also voLTE works as well. Up until this phone, I tried a global Mate 40 Pro and MI 11 Ultra and neither of them had that option available. Not sure why.
Also, on this version it doesn't even say the preferred network option. If I go under Mobile Network & Sim 1 that's where it shows 5g and I can toggle it on or off.
Click to expand...
Click to collapse
Can you post a screenshot please? Do you think it might be my SIM card. It's the same one since 2019 that came with one plus 7pro lol.

Music&Art said:
I had to chat with one of the employees there to give them the new IMEI number so they could switch the phone in my account. When I first put the sim in, it actually told me that the sim card was not accepted since it was a China mainland phone. I almost thought I wasted my money and could not keep the phone. The 5g option was there from the beggining though but I was getting no signal at all. I finally found the network reset option after the employee suggested it and reset the network, restarted the phone and it finally worked. Also voLTE works as well. Up until this phone, I tried a global Mate 40 Pro and MI 11 Ultra and neither of them had that option available. Not sure why.
Also, on this version it doesn't even say the preferred network option. If I go under Mobile Network & Sim 1 that's where it shows 5g and I can toggle it on or off.
Click to expand...
Click to collapse
Also what region did you choose at setup?

Music&Art said:
I had to chat with one of the employees there to give them the new IMEI number so they could switch the phone in my account. When I first put the sim in, it actually told me that the sim card was not accepted since it was a China mainland phone. I almost thought I wasted my money and could not keep the phone. The 5g option was there from the beggining though but I was getting no signal at all. I finally found the network reset option after the employee suggested it and reset the network, restarted the phone and it finally worked. Also voLTE works as well. Up until this phone, I tried a global Mate 40 Pro and MI 11 Ultra and neither of them had that option available. Not sure why.
Also, on this version it doesn't even say the preferred network option. If I go under Mobile Network & Sim 1 that's where it shows 5g and I can toggle it on or off.
Click to expand...
Click to collapse
Soooio.... My SIM card is not 5g compatible lol. Will try a new card later and report back. Thanks for the help

diopskill said:
Soooio.... My SIM card is not 5g compatible lol. Will try a new card later and report back. Thanks for the help
Click to expand...
Click to collapse
Oh good! I hope it works.

Music&Art said:
Oh good! I hope it works.
Click to expand...
Click to collapse
No go. I think the 5g has been disabled somehow

diopskill said:
No go. I think the 5g has been disabled somehow
Click to expand...
Click to collapse
What happens if you go to Mobile Network --> SIM 1? This is what it shows on mine. I think the 5g came on automatically for mine. But here is where it shows the 5g toggle. I'm not sure how the settings look on the global one since I think it runs on Funtouch. Mine is on Origin OS. I'm not sure if that plays a part in 5g as well.
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Music&Art said:
What happens if you go to Mobile Network --> SIM 1? This is what it shows on mine. I think the 5g came on automatically for mine. But here is where it shows the 5g toggle. I'm not sure how the settings look on the global one since I think it runs on Funtouch. Mine is on Origin OS. I'm not sure if that plays a part in 5g as well.
View attachment 5646425
Click to expand...
Click to collapse
Nope. Nothing like that. 5g won't even show up. I think vivo blocked the option. I'm in contact with them. I'll report back when they respond. I'm confused. Phone is awesome otherwise.

Music&Art said:
What happens if you go to Mobile Network --> SIM 1? This is what it shows on mine. I think the 5g came on automatically for mine. But here is where it shows the 5g toggle. I'm not sure how the settings look on the global one since I think it runs on Funtouch. Mine is on Origin OS. I'm not sure if that plays a part in 5g as well.
View attachment 5646425
Click to expand...
Click to collapse
My screenshot...

diopskill said:
Nope. Nothing like that. 5g won't even show up. I think vivo blocked the option. I'm in contact with them. I'll report back when they respond. I'm confused. Phone is awesome otherwise.
Click to expand...
Click to collapse
Any luck? Also, does voLTE work?

Music&Art said:
Any luck? Also, does voLTE work?
Click to expand...
Click to collapse
Yep. VoLTE and WiFi calling and rsc all work

Music&Art said:
Any luck? Also, does voLTE work?
Click to expand...
Click to collapse
And nope still just 4g+.

diopskill said:
And nope still just 4g+.
Click to expand...
Click to collapse
That's strange.

diopskill said:
My screenshot...
Click to expand...
Click to collapse
diopskill said:
My screenshot...
Click to expand...
Click to collapse
Try this: in your phone app dial *#*#4636#*#* and select Phone Info. In that window scroll down to: Set Preferred Network Type and use the drop down arrow to select NR/LTE/GSM/WCDMA

frcraig said:
Try this: in your phone app dial *#*#4636#*#* and select Phone Info. In that window scroll down to: Set Preferred Network Type and use the drop down arrow to select NR/LTE/GSM/WCDMA
Click to expand...
Click to collapse
Still nothing. 4g only option. When you first started phone/inserted sim, did you get a notification saying to update carrier provisioning? I did but I think that messed up something...

No message when I inserted my SIM, but then I wouldn't expect any carrier specific updates to provision services on my phone as my carrier hasn't certified and doesn't support Vivo phones. Consequently I don't have VoLTE or Wifi Calling toggles in my SIM settings. I do however have the "enable 5G" toggle (and it works because I do connect to 5G) because that setting is baked into the firmware and is not something pushed by the carrier. I don't expect this would make any difference, but you can enable developer options and toggle on VoNR. That is the new voice over 5G technology that is replacing VoLTE (voice over 4G) with some carriers.