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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Sent from my ONEPLUS A3000 using Tapatalk

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

Hidden features/menus in the Unlocked Galaxy S9 G960U1 - Megathread

Howdy,
As many features are missing (disabled) on the unlocked Samsung Galaxy S9 bought directly from Samsung. I started digging deep and I found quite interesting things.
1) Wi-Fi Calling and HD Voice (VoLTE)
As someone who upgraded from an AT&T S6 (G920A), it didn't make sense to me that I was unable to get the same (or better) voice call quality in my Galaxy S9.
Using Tasker (the automation tool), I was able to see couple interesting apps:
HD Voice Settings
Outgoing HD Voice Settings
3 Wi-Fi Calling apps
Screenshots:
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Both HD Voice Settings and Outgoing HD Voice Settings are inaccessible. I tried turning on the Wi-Fi Calling in the last app, but as soon as you exit it goes back to off.
However, there's an app called LTE test that caught my attention. It has a menu option where you can test VoLTE.
Screenshots:
* P.S. It is worth noting that whenever I ask Bixby to turn Wi-Fi Calling, it goes to Network settings and gets confused. *
2) Dual-Sim Possibility?
In one of the screenshots above, there's a SIM 2 option in one of the 3 "Wi-Fi Calling" apps. In addition to that, I found another mention for SIM 2 (Slot 2) in an other app called Network settings. Therefore, theoretically speaking, there's a high chance that the hardware is there.
Screenshot:
Any contribution would be appreciated!

As far as I know, HD Voice and WiFi calling are not firmware related, but carrier related. Meaning that they are there (in the firmware) but they are activated only if the carrier allows it - depending on their infrastructure, subscription/pre-pay etc.
In my case, I have HD Voice and WiFi calling, but I can't find RTT.

raducanmihai said:
As far as I know, HD Voice and WiFi calling are not firmware related, but carrier related. Meaning that they are there (in the firmware) but they are activated only if the carrier allows it - depending on their infrastructure, subscription/pre-pay etc.
In my case, I have HD Voice and WiFi calling, but I can't find RTT.
Click to expand...
Click to collapse
On what carrier & firmware?

Orange Romania is the carrier.
Sent from my SM-G960F using Tapatalk

When I first bought my Galaxy S9 directly from Samsung, WiFi calling was not available however, in a later update it was made available and it works.
Phone is G960U1UEU3ARJ2 service provider is Verizon.

Airstream25 said:
When I first bought my Galaxy S9 directly from Samsung, WiFi calling was not available however, in a later update it was made available and it works.
Phone is G960U1UEU3ARJ2 service provider is Verizon.
Click to expand...
Click to collapse
That's what happened with me on AT&T also. I was actually told that since it was unlocked they couldn't promise anything but the update did enable it.

Tel864 said:
That's what happened with me on AT&T also. I was actually told that since it was unlocked they couldn't promise anything but the update did enable it.
Click to expand...
Click to collapse
What about HD voice

I am doing research about it too. It is related with csc. For example on my unlocked s9 I flashed the h3g UK firmware and the option stays on when you exit the menu but for me it is impossible to use because I live in Italy but don't have h3g so sip values are not correct

Can you elaborate? I purchased an unlocked S9, and I'm on AT&T. Are you saying you received an update that enabled hd voice and wifi calling?

Anyone using Sprint LG G8 on T-Mobile?

Got a great deal on an unlocked Sprint LG G8. Have a few annoying issues that are really bothering me.
I am unable to send and receive photos in text messages. I followed all the instructions to update the APN to be compatible with Tmobile.
Called T-Mobile and they put the IMEI number into their system and played with the settings on their end. They assured me that the photos in sms messages should be going through without issues.
I assume that there no chance to flash Tmobile LG G8 firmware on my LG G8? I was able to do that on my Galaxy S7 Edge. I would like to get wifi calling too. So many issues that are just annoying. One would think LG wouldn't mind letting people flash carrier based firmwares like Samsung does, especially considering that they are struggling with sales and need more customers.

I bought a refurb Sprint Unlocked for my GF to use on ATT. Just got it today and popped my TMO sim in. Didnt call them for anything, let the APNs auto populate and tested the following:
4GLTE+ icon comes up just like on my OnePlus 7 Pro, same # of bars/ signal strength
Calls - even with VOLTE enabled, the indicator says 3G when you make a call (assuming data goes to 3g like it would on sprint on a call but who knows)
VM- Stupid VM and Caller ID app dont work (sprint), but it dials to VM when you hold 1 key
SMS- works fine- sent a msg to a Verizon #
MMS- works fine- sent a pic to an email address
Internet- no issues , didnt do a speed test

Are you able to use LTE Band 71 on T-Mobile using your unlocked Sprint LG G8?

This has been talked about already in another thread but what you do is type ##data# and a menu pops up go tap on the apn and select view. On the top right you see the 3 dots click on it and reset that should do the trick. The reason for not being able to send picture is because the apn cant be edit so the apn is auto and is correct but not the mmsc part.

lude86 said:
This has been talked about already in another thread but what you do is type ##data# and a menu pops up go tap on the apn and select view. On the top right you see the 3 dots click on it and reset that should do the trick. The reason for not being able to send picture is because the apn cant be edit so the apn is auto and is correct but not the mmsc part.
Click to expand...
Click to collapse
Tried this after manually entering a few variants of the Tmobile APN settings from Google, at least for me, didn't work. Not sure if other people have had better luck.
Seems like some of the MMS related APN config defaults to sprint urls. SMS, Data, and voice seems fine though.
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diabloazul126 said:
Tried this after manually entering a few variants of the Tmobile APN settings from Google, at least for me, didn't work. Not sure if other people have had better luck.
Seems like some of the MMS related APN config defaults to sprint urls. SMS, Data, and voice seems fine though.
Click to expand...
Click to collapse
so you tried going to ##data# and going to the apn and click on reset to default?

lude86 said:
so you tried going to ##data# and going to the apn and click on reset to default?
Click to expand...
Click to collapse
Yep, I get the sense that the fact the resetting the apn settings from the ##data# menu results in Sprint data populating into some fields and remaining uneditable.. is part of the problem. But can't find a workaround.

The reason I asked was because when i stuck my cricket sim in my sprint g8 the apn were automatic push to the apn settings and i could text and web but couldnt send mms pictures. So i went into the ##data# menu and looked at the apn setting which was correct but when i looked at the mmsc setting it was sprints like yours. After I reseted the apn to default i went back to look at the mmsc and to my amazement it was changed to aiowireless. after i was able to send pictures. Do you have your sim in there? Can you call tmobile to push the apns to you?

jgracz01 said:
I bought a refurb Sprint Unlocked for my GF to use on ATT. Just got it today and popped my TMO sim in. Didnt call them for anything, let the APNs auto populate and tested the following:
4GLTE+ icon comes up just like on my OnePlus 7 Pro, same # of bars/ signal strength
Calls - even with VOLTE enabled, the indicator says 3G when you make a call (assuming data goes to 3g like it would on sprint on a call but who knows)
VM- Stupid VM and Caller ID app dont work (sprint), but it dials to VM when you hold 1 key
SMS- works fine- sent a msg to a Verizon #
MMS- works fine- sent a pic to an email address
Internet- no issues , didnt do a speed test
Click to expand...
Click to collapse
That's very good to hear. Were you able to test if 3G/4G HSPA(+) also works for data as it should? You should be able to find the option to use that instead of LTE by going to Settings->Wireless & Networks->Mobile Network->Preferred network type then select GSM only. Then browse the internet and maybe do a speed test--if you have at least 4/5 bars of 4G HSPA+ download speeds should be anywhere from 6-14Mbps. Myself and a few other people have been wondering since that's what you fall to if you don't have a good LTE signal so would greatly appreciate if you could check.

I'm having some disappointing results with the Sprint LG G8 on T-Mobile (Mint) in my home, and wondering if anyone has any experience that might help.
I was able to get data working without any issue after running ##data# and resetting the APN settings, but actual phone call functionality is a different story.
85%+ of the time I'm in my home I'm unable to place outgoing calls and when called my phone goes directly to voicemail. This is despite having decent to good T-Mobile LTE coverage. The obvious conclusion is that I'm getting spotty UMTS signal and/or the phone is not switching effectively between the two radio technologies.
To get any calling at all I had to switch the radio mode to "LTE/UMTS auto (PRL)" in the service menu accessed by *#*#4636#*#* but this also unchecks the VoLTE provisioning slider. When calling works anywhere, the signal icon changes from LTE to 3G.

Crash Stuntman said:
I'm having some disappointing results with the Sprint LG G8 on T-Mobile (Mint) in my home, and wondering if anyone has any experience that might help.
I was able to get data working without any issue after running ##data# and resetting the APN settings, but actual phone call functionality is a different story.
85%+ of the time I'm in my home I'm unable to place outgoing calls and when called my phone goes directly to voicemail. This is despite having decent to good T-Mobile LTE coverage. The obvious conclusion is that I'm getting spotty UMTS signal and/or the phone is not switching effectively between the two radio technologies.
To get any calling at all I had to switch the radio mode to "LTE/UMTS auto (PRL)" in the service menu accessed by *#*#4636#*#* but this also unchecks the VoLTE provisioning slider. When calling works anywhere, the signal icon changes from LTE to 3G.
Click to expand...
Click to collapse
try this TD-SCDMA/CDMA/UMTS. i noticed for some reason this works great. i was albe to receive every call. before that it was hit or miss.

tdsii said:
try this TD-SCDMA/CDMA/UMTS. i noticed for some reason this works great. i was albe to receive every call. before that it was hit or miss.
Click to expand...
Click to collapse
I appreciate the reply! I tried this and it's about the same for me unfortunately (which is to say, not really working) I did notice that it says voice connection and data connection are both LTE, and I wonder if that's part of the issue.
I have another device that natively works with VoLTE and WiFi Calling on T-Mobile and it works very well in my home, it's just a shame this phone isn't quite there.

I can't make calls via lte or volte. it switches to 3g but at least now it always receives and makes calls.

Spetznaz24 said:
Got a great deal on an unlocked Sprint LG G8. Have a few annoying issues that are really bothering me.
I am unable to send and receive photos in text messages. I followed all the instructions to update the APN to be compatible with Tmobile.
Called T-Mobile and they put the IMEI number into their system and played with the settings on their end. They assured me that the photos in sms messages should be going through without issues.
Click to expand...
Click to collapse
1. Go to the default message app and click on the 3 bullets on the top right corner
2. Click on settings
Under advanced click on "Text messages"
3. Click on service number center and ensure it is the correct number for your carrier. If I'm not mistaken yours should read "+12063130004". If the number is different then change it to this one.

Found this on reddit. It reset the apn and get a new one. Now i am able to sent and receive mms.
Try ##SCRTN# on one device and see if it fixes it.
(It erases cellular programming and should reactivate automatically after a few minutes)

I have had so many problems with unlocked phones that are carrier specific. There is always some BS that gets screwed up. Unless its a Samsung where you can flash carrier or unbranded firmware I'm done messing with these carrier unlocked phones

Any one manage to get WiFi calling to work? I have a Sprint unlocked phone on mint and wifi calling is the one thing I am missing.

im using the phone with Mint , TMO mvno, and mms send/receive fine. It used fast.t-mobilẹcom APN

So many people on mint I'm with them as well lol

Anyone figure out how to get VoLTE working on T-Mobile? I did find it in what of the hidden menu's I think it was under the ##DATA# > IMS or something like that but it was greyed out for me and couldnt change it.

OnePlus 7T Global ROM - Voice over Wifi (vowifi)

I've been looking all over the Internet about enabling Voice over WiFi on the 7T with the Global ROM. I've found several sites talking about the 7T Pro or 7 Pro, and I've tried those techniques and was able to get the voice over WiFi setting to show up, but when I toggle it on, it is turned off again the next time I enter the Sim menu. I've verified with Verizon that Voice over WiFi is turned on for my phone, my phone is registered in their DMD, so everything should be good on their end. It just seems to be an issue with my ROM not allowing me to use it. I apologize if this has been answered but I couldn't find one for the 7T that matched my situation.
Alternately, this was originally a T-Mobile phone that I converted to the Global ROM. How would I go about converting this phone to the regular US ROM (from here, for example) to see if that would fix my issue? I don't really *need* the Global ROM, I just installed it because that's what the conversion guides to get off the T-Mobile ROM prescribed.

I wouldn't expect the us rom to work for your issue if the global one does not. I'd also note that I find vowifi with it to be finicky without any display on why it might be failing. I have 2 sims in mine, and its well known now that one can't get vowifi working without the primary data sim being the sim you want to do vowifi. but even when I do that (and even set primary calling sim to the tmobile one), it more often than not, doesn't connect via wifi (i.e. pop up the icon). It has worked (i.e. I have been able to get the icon and place calls while in airplane mode to the US while overseas), but it hasn't proven to be reliable. Then again, it wasn't reliable either with just a t-mobile sim and the t-mobile rom. I just wish there were some logs that would say what was failing.

thetoady said:
I wouldn't expect the us rom to work for your issue if the global one does not. I'd also note that I find vowifi with it to be finicky without any display on why it might be failing. I have 2 sims in mine, and its well known now that one can't get vowifi working without the primary data sim being the sim you want to do vowifi. but even when I do that (and even set primary calling sim to the tmobile one), it more often than not, doesn't connect via wifi (i.e. pop up the icon). It has worked (i.e. I have been able to get the icon and place calls while in airplane mode to the US while overseas), but it hasn't proven to be reliable. Then again, it wasn't reliable either with just a t-mobile sim and the t-mobile rom. I just wish there were some logs that would say what was failing.
Click to expand...
Click to collapse
What process did you follow to get yours working?

I don't have verizon, as I noted. as I said, I would play around, set primary data and calling sims to the # I wanted for vowifi. Put it in airplane mode, turn on wifi. sometimes that would force the vowifi to come on / sometimes not. take it out of airplane mode. sometimes that did it hen the previous step did not, sometimes not. rinse and repeat.
I mostly gave up on it for now. The only US number I give out is my google voice # anyways, so it doesn't make a huge difference.

thetoady said:
I don't have verizon, as I noted. as I said, I would play around, set primary data and calling sims to the # I wanted for vowifi. Put it in airplane mode, turn on wifi. sometimes that would force the vowifi to come on / sometimes not. take it out of airplane mode. sometimes that did it hen the previous step did not, sometimes not. rinse and repeat.
I mostly gave up on it for now. The only US number I give out is my google voice # anyways, so it doesn't make a huge difference.
Click to expand...
Click to collapse
I only have one sim, so I don't think the issue is with it not knowing which is the primary. I tried the airplane mode trick but it just said I had no connection to dial. The issue with me is until I did the little hack shown here: (https://forum.xda-developers.com/t/guide-enable-volte-vowifi-on-all-devices-no-root.4105817/), I never even had the VoWiFi option, but even when I got it, it wouldn't stay enabled. I was thinking the US ROM would help because I am in the US and my carriers are all in the US. I felt like the Global ROM maybe wasn't compatible with Verizon or something.
Bonus question: Is there an easy way to search within a single thread on this forum? I can only find how to search all the forums and it makes it difficult to zero in on information.

Verizon DOES NOT support VoWiFi on the 7T. So far as I know they do not allow vowifi over their network on any non-verizon branded phone.
VoWiFi turns on, fails to get the proper authorization from Verizon to use their network, turns back off.
Even with the 1+ 8, the VZW model is the only one with vowifi on their network. I was told that it was due to “security concerns” since non-vzw phones didn't go through VZW testing.
Bonus answer: this is for website, not app.
Magnifying glass at top --> gear icon --> you so get a drop down with search options
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
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wfred said:
Verizon DOES NOT support VoWiFi on the 7T. So far as I know they do not allow vowifi over their network on any non-verizon branded phone.
VoWiFi turns on, fails to get the proper authorization from Verizon to use their network, turns back off.
Even with the 1+ 8, the VZW model is the only one with vowifi on their network. I was told that it was due to “security concerns” since non-vzw phones didn't go through VZW testing.
Bonus answer: this is for website, not app.
Magnifying glass at top --> gear icon --> you so get a drop down with search optionsView attachment 5197691
Click to expand...
Click to collapse
Thank you for the Search help, of course it requires clicking the button I'm so used to typing and hitting enter I don't even click those anymore.
On the Verizon VoWiFi, I wonder if results may vary on that, because they had told me it was enabled for my IMEI. Of course, that is largely dependent on the rep you get, I'm sure. But at minimum, I'd at least like to have the option to try it. Plus when I travel abroad, I would like to be able to turn it on for other carriers there as well. I did find another route that involves using PDC to manually enable it, but I'm going to have to root the phone for that. I'm not using the phone yet, so now is the time to play with it I appreciate your answer though, it may be for nothing, but I've got the mind of an engineer, you can't tell us no

I was unable to get either VOWIFI or SMS to work when I bought my unlocked 1907 7t (with global rom from factory) to work on Verizon. (Despite all the guides to do as such)
I both messaged them on their platform and called several times. Every time was same shtick. Them: "Phone doesn't support all features" Me: "Yes it does, has all bands, please add IMEI to database and turn on cdma-less provisioning" Them "Ok, hold please..." 5 min later... "Ok it should enable within 24 hours...when should we call you?" Me: "Same time tomorrow is fine" Them: "Ok, then"...24 hours later... no call, I call, repeat, no change.
They honestly just lie/yes man you to appease you until you give up/satisfied with their programmed responses. They have no intention of going out of their way in any technical capacity (Esp. if you're prepaid) and being forthcoming with their policy to only activate "Verizon Phones" on their network will never deliver a technical reason (this band/that band, etc...) This was not the first time I've had to attempt technical workarounds (on another global unlocked LG phone) , which also failed (on their end). They are an incredibly dishonest company imho.
So I got a T-mobile sim and it works great! (vowifi perfect!) I keep the old Verizon one in the second sim slot, just in case I want to punish myself at some point in the future ;0

See, my SMS works fine. That's why I say it seems to depend on the rep you get. I'm just really curious if I could get around the carrier block OnePlus has apparently put in place for VoWiFi (per their customer service), if I could get it working still.

hypercoyote said:
See, my SMS works fine. That's why I say it seems to depend on the rep you get. I'm just really curious if I could get around the carrier block OnePlus has apparently put in place for VoWiFi (per their customer service), if I could get it working still.
Click to expand...
Click to collapse
There is some sort of certification or something baked into VZW phones that their network looks for when you try to connect via VoWiFi. If that is missing VZW's network will not let you connect even if customer service ”activated” it.
It's not a carrier block 1+ put in place, it's a “not VZW certified” block that Verizon put in place.

wfred said:
There is some sort of certification or something baked into VZW phones that their network looks for when you try to connect via VoWiFi. If that is missing VZW's network will not let you connect even if customer service ”activated” it.
It's not a carrier block 1+ put in place, it's a “not VZW certified” block that Verizon put in place.
Click to expand...
Click to collapse
Oh, I see. Idk what OnePlus was talking about then, because they literally said they block VoWiFi if it's not T-Mobile.

Hi, this solution perfectly works for me. Link. So simple way to enable volte and vowifi without unlocking bootloader and rooting.

dearshakya said:
Hi, this solution perfectly works for me. Link. So simple way to enable volte and vowifi without unlocking bootloader and rooting.
Click to expand...
Click to collapse
With what carrier?

hypercoyote said:
With what carrier?
Click to expand...
Click to collapse
I use telefonica uk commercial since oos10 for malaysia and my telco is digi and unifi. but for 11 i use required to use from extracted mbns, so i tried using extracted pixel4 mbns. Still lookimg for op7T oos 11 extracted mbns.

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
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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)